KR20010092352A - Power system protective control system and system configuration method - Google Patents

Abstract

PURPOSE: A power system protective control system and a system constructing method therefor are provided to solve the problem in the conventional systems that the purchase expense of a dedicated software becomes very high due to the increase in the number of dedicated programs, resulting from an increase in the number of protective relays fitted on an electrical station because various types of dedicated programs are required to be installed in a monitor controller, even though a power system can be monitored and controlled through the protective relays fitted on the electrical station. CONSTITUTION: A Web browser establishing the connection with a Web server installed on a relay panel via a communication line is installed on a PC. System status information stored in the relay panel is acquired, using the Web browser.

Description

Power system protection control system and system construction method {POWER SYSTEM PROTECTIVE CONTROL SYSTEM AND SYSTEM CONFIGURATION METHOD}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power system protection control system for executing a power system or control, and also to a system construction method for constructing a protection system for a power system including a protection relay device.

23 is a configuration diagram showing a conventional power system protection control system, and in the drawing, 1 to 3 are installed in an electric station, and a protective relay device for tripping a circuit breaker when an accident is detected on a transmission line or bus. Is a supervisory control device which is installed at an electric station and another maintenance base and monitors or controls the power system through the operation of the protective relay devices 1 to 3, and 5 to 7 are the supervisory control device 4 and the protective relay devices 1 to 3 Dedicated communication line for connecting

The following operation is described.

The supervisory control device 4 requests and receives the system state information collected by the protective relay devices 1 to 3 (for example, information indicating the open / closed state of the circuit breaker installed in the bus bar) and receives the state of the power system. There is a dedicated program to control the breaker and disconnector through the protective relay devices 1 to 3 installed therein.

Therefore, the monitoring control device 4 provided at a remote location away from the electric station can determine whether the power system is in a normal state through the protective relay devices 1 to 3, and can perform the restoration work of the power system.

Since the conventional power system protection control system is configured as described above, the monitoring and control of the power system can be executed through the protection relay devices 1 to 3 installed in the electric station. Need to be installed). For this reason, as the number of protective relay devices installed in electric stations increases, the number of dedicated programs increases, resulting in a huge cost of purchasing dedicated software. In addition, there is a problem that a high-performance computer is required to execute a large number of dedicated programs, and the model of the supervisory control device 4 is limited. In addition, every time the protective relay device installed in the electric station is expanded, the program installed in the supervisory control device 4 must be changed, and there is a problem that the change of the system is cumbersome.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and an object thereof is to obtain a power system protection control system capable of performing power system protection or control without mounting a dedicated program in an electronic terminal. Another object of the present invention is to obtain a system construction method capable of effectively constructing a protective relay device.

The power system protection control system according to the present invention is equipped with a web browser which establishes a connection via a communication line with a web server mounted in the protection relay device, and uses the web browser to store system state information stored in the protection relay device. To get it.

Power system protection control system according to the present invention is to change the system state information stored in the protection relay device using a web browser.

The power system protection control system according to the present invention is equipped with a web browser that establishes a connection through a communication line with a web server mounted in the protection relay device, and relay internal state information stored in the protection relay device using the web browser. The life cycle diagnosis of the protective relay device is performed according to the relay internal status information.

Power system protection control system according to the present invention is to install an electronic terminal in at least one of each of the facilities planning, control, maintenance, device development, device design, device manufacturing of the protection relay device.

The power system protection control system according to the present invention controls the circuit breaker according to the circuit breaker operation command and determines the operation of the system model according to the system model outputting system phenomenon information displaying the control result and the system phenomenon information outputted by the system model. You have installed a device model that runs.

In the power system protection control system according to the present invention, the operation determination result of the device model is fed back to the system model.

Power system protection control system according to the present invention is to install the system model in the facility planning base and the device model in the design production base.

When the power system protection control system according to the present invention is connected to a plurality of protection relay devices through a communication line and acquires the system status information from the plurality of protection relay devices, the system status information is analyzed using an analysis tool, and the analysis results are analyzed. It is intended to be displayed.

Power system protection control system according to the present invention is to perform at least one analysis of waveform analysis, vector analysis and frequency analysis.

In the power system protection control system according to the present invention, when a web server is mounted on a protection relay device and a web browser is mounted on an electronic terminal, the electronic terminal stores the system state information stored in the protection relay device using the web browser. To get it.

The power system protection control system according to the present invention is to download the analysis tool using a web browser when the analysis tool is stored in the protection relay device.

The power system protection control system according to the present invention includes software for enabling access to electronic data stored in a plurality of protection relay devices, and executes the software to acquire the electronic data to monitor the plurality of protection relay devices. It is.

Power system protection control system according to the present invention is to monitor the protection relay device through the communication line by the electronic terminal at at least one of each of the facilities planning, control, maintenance, device development, device design, device manufacturing. All.

The power system protection control system according to the present invention includes software for enabling access to electronic data stored in a plurality of protection relay devices and executing the software so as to change correction values of the plurality of protection relay devices. It is.

The power system protection control system according to the present invention includes a correction value of a protection relay device through a communication line by an electronic terminal in at least one of each of the facilities planning, control, maintenance, device development, device design, and device manufacturing. To change it.

The power system protection control system according to the present invention includes software for enabling access to electronic data stored in a plurality of protection relay devices, and acquires the electronic data by executing the software to monitor the plurality of protection relay devices. On the power supply side, an electronic terminal on the device providing side that changes the correction values of the plurality of protection relay devices by mounting and executing software for enabling access to electronic data stored in the plurality of protection relay devices. Is installed.

The power system protection control system according to the present invention provides a device for setting or updating the relay software of a plurality of protection relay devices by mounting and executing software for enabling access to electronic data stored in the plurality of protection relay devices. The electronic terminal on the power supply side that acquires the electronic data and monitors the plurality of protective relay devices by mounting the software to enable access to the electronic terminal and the electronic data stored in the plurality of protective relay devices and executing the software. The terminal is installed.

In the power system protection control system according to the present invention, an electronic terminal in at least one of the bases of device development, device design, and device fabrication has at least one of a diagram, a manual, a production year, and a functional summary of the protection relay device. The data is stored and the electronic data is transmitted to the electronic terminal from at least one of the facilities planning, control, and maintenance points through the communication line.

In the power system protection control system according to the present invention, an electronic terminal in at least one of the bases of device development, device design, and device fabrication has at least one of a diagram, a manual, a production year, and a functional summary of the protection relay device. The data is stored and the electronic terminal at at least one of the facilities planning, control, and maintenance points reads the electronic data through the communication line.

In the power system protection control system according to the present invention, an electronic terminal at least one of the facilities planning, control, and maintenance points stores electronic data related to the equipment planning including a protection relay device, and stores the electronic data in a communication circuit. This is to transmit to the electronic terminal at least one of the bases of device development, device design, and device manufacturing.

The power system protection control system according to the present invention stores electronic data related to facility planning in which at least one of the bases of facility planning, control, and maintenance includes an electronic relay in a protection relay device, and device development and device design. In other words, the electronic terminal at at least one of the bases of the device fabrication reads the electronic data through the communication line.

In the power system protection control system according to the present invention, at least one electronic terminal of at least one of the bases of device development, device design, and device fabrication may be used. Stores data and transmits the electronic data to an electronic terminal in at least one of the facilities planning, control, and maintenance points through a communication line, and at least one of the facilities planning, control, and maintenance points. The electronic terminal in ESC is to transmit the electronic data on the facility planning including the protective relay device to the electronic terminal at least one of the bases of device development, device design, and device fabrication through a communication line.

In the power system protection control system according to the present invention, at least one electronic terminal of at least one of the bases of device development, device design, and device fabrication may be used. The electronic terminal stores the data and reads the electronic data through a communication line at at least one of the facilities planning, control, and maintenance points, while at least one of the facilities planning, control, and maintenance points is used. The electronic terminal of the electronic device stores the electronic data related to the facility plan including the protective relay device, and the electronic terminal at at least one of the bases of device development, device design, and device fabrication transmits the electronic data through the communication line. To be read.

In the power system protection control system according to the present invention, an electronic terminal selects a correction value table corresponding to a system condition among various kinds of correction value tables so as to change correction values of a plurality of protection relay devices.

In the power system protection control system according to the present invention, an electronic terminal is installed in at least one of the bases of facility planning, control, maintenance, device development, device design, and device manufacturing, while a protection relay device is installed in an electric station, The terminal changes the correction value of the protective relay device through the communication line.

In the power system protection control system according to the present invention, a plurality of kinds of correction value tables are prepared for each protection relay device.

In the power system protection control system according to the present invention, a storage device for storing a correction value table is provided inside the protection relay device.

In the power system protection control system according to the present invention, a storage device for storing a correction value table is provided outside the protection relay device.

In the power system protection control system according to the present invention, a memory device for storing a correction value table is provided inside and outside the protection relay device, and the external storage device when the communication line between the external storage device and the protection relay device is normal. Is selected, and if the communication line is abnormal, the correction table stored in the internal storage device is selected.

The power system protection control system according to the present invention is to read the operation history stored in the storage device of the protection relay device.

Power system protection control system according to the present invention is to read the operation history stored in the storage device using a Web browser.

The power system protection control system according to the present invention is to record at least the date of change of the correction value, the object of change, the correction value before the change and the correction value after the change as the operation history.

The power system protection control system according to the present invention is to read the system state information stored in the plurality of protection relay devices through the communication line, and to identify the fixed point of the system in their system state information.

In the power system protection control system according to the present invention, a plurality of protection relay devices add sampling time information to the system state information while the electronic terminal uses the system state information at the same sampling time to identify fault points of the system. It is.

In the power system protection control system according to the present invention, a plurality of protection relay devices aim to synchronize sampling times of system state information with each other and add sampling time information to the system state information.

In the power system protection control system according to the present invention, a display of an arbitrary screen is received from a first display area and a plurality of types of screens that display the type of the screen prepared for the protection relay device and accept the display of the screen. In this case, the second display area for displaying the screen is set in another area on the same screen.

In the power system protection control system according to the present invention, the type of the display contents of the second display area is displayed on the first display area.

In the power system protection control system according to the present invention, an electronic terminal is installed in at least one base of each facility planning, control, maintenance, device development, device design, and device manufacturing, and the electronic terminal stores the electronic data stored in the protection relay device. It is taken in to display screen contents.

The power system protection control system according to the present invention is such that the first display area is set on the left side of the second display area.

The power system protection control system according to the present invention is such that the display area of the second display area is set to be larger than the display area of the first display area.

The power system protection control system according to the present invention is such that the third display area for displaying the classification status of the protection relay device is set in another area on the same screen as the first and second display areas.

In the power system protection control system according to the present invention, the third display area displaying the state of the protection relay device, the electric name provided with the protection relay device, and the name of the protection relay device is located above or below the second display area. Is set.

The power system protection control system according to the present invention is such that the display area of the second display area is set to be larger than the display area of the third display area.

The power system protection control system according to the present invention displays a second display area without displaying the first display mode or the first display area displaying the first display area and the second display area on the same screen. The selection screen for selecting one of the second display modes is displayed.

The power system protection control system according to the present invention stores the display mode selected by the selection screen and focuses the display mode on the next selection screen.

In the power system protection control system according to the present invention, information on the display of the screen is stored in the protection relay device, and the electronic terminal acquires information on the display of the screen from the protection relay device through a communication line.

In the power system protection control system according to the present invention, various screens displayed on the second display area include a screen for accepting a change in the correction value of the protection relay device, and when the correction value is received by the screen, This is to change the correction value of the protective relay device.

In the system construction method of the present invention, in the case of constructing a protective relay device by embedding a relay element corresponding to a system operation plan on a board, a relay board commonly used in a plurality of systems among various relay elements is formed on a common board. Relay elements that are selectively used according to the system operation plan should be embedded on individual boards.

The system construction method according to the present invention is to download the software of the relay element mounted in the protection relay device from the software storage device in which the software of the relay element is stored to the protection relay device via a communication line.

The system construction method according to the present invention receives the system operation plan information from at least one of the facilities planning, control, maintenance, device development, device design, and device manufacturing. And select to download the software to the protected relay device through the communication line.

The system construction method according to the present invention is a system operation plan information created at least one of each of the facilities planning, control, maintenance, device development, device design, device manufacturing base through the communication line at the design production base of the protective relay device. To be read.

The construction method according to the present invention is such that relay designation information is used as system operation plan information.

The system construction method according to the present invention is such that the software storage device is installed in at least one of the bases of facility planning, control and maintenance.

The system construction method according to the present invention is to accept the input of the input unit or CPU unit in accordance with the system operation plan information.

The power system protection control system according to the present invention is such that the electronic terminal displays the electronic data in each protection relay device in parallel in different areas on the same screen.

The power system protection control system according to the present invention is such that the electronic terminal displays the electronic data of other relay elements in the protection relay device in parallel in different areas on the same screen.

The power system protection control system according to the present invention is such that the electronic terminal displays the electronic data of the existing relay element in the protection relay device and the electronic data of the additional relay element in the protection relay device in parallel in different areas on the same screen.

In the power system protection control system according to the present invention, the electronic terminal allows the filter to display the electronic data in the protection relay device and the electronic data in the transformer protection relay device in parallel in different areas on the same screen.

In the power system protection control system according to the present invention, when displaying electronic data in parallel, at least one of the type of the relay and the type of the electric station is displayed.

In the power system protection control system according to the present invention, the electronic data display method is different from the case where the corresponding protection control object is normal and not normal.

In the power system protection control system according to the present invention, the electronic data displayed in parallel or the color of the screen is different from the case where the corresponding protection control object is normal and not normal.

The power system protection control system according to the present invention is such that the case where the electronic data displayed in parallel is not normally normal than the case where the corresponding protection control object is normal is displayed preferentially in color.

In the power system protection control system according to the present invention, when each protection control object is normal, the corresponding electronic data is displayed in parallel, and when one of the protection control objects is not normal, the electronic data is a normal protection control object. To be displayed first.

In the power system protection control system according to the present invention, when at least one of the protection control object and the protection relay device is not normal, the corresponding electronic data is displayed in preference to the electronic data corresponding to the normal protection control object and the protection relay device. All.

In the power system protection control system according to the present invention, when at least one of the protection control object and the protection relay device is not normal, the corresponding electronic data is displayed on the initial screen of the electronic terminal.

The power system protection control system according to the present invention is such that a plurality of relay elements constituting the protective relay device are individually united and each relay unit constituting the protection relay device is individually connected to a hub.

In the power system protection control system according to the present invention, the connection method between the relay element and the hub is a plug-in connection method.

In the power system protection control system according to the present invention, an additional connection terminal for adding a relay element is installed in a hub, and the additional connection terminal is connected to an electronic terminal in advance.

The power system protection control system according to the present invention is such that the electronic data of the existing relay element and the empty electronic data of the additional relay element are displayed in another area on the same screen of the electronic terminal.

The power system protection control system according to the present invention is to receive an electric signal between the photoelectric conversion device and the protective relay device and between the photoelectric conversion device and the electronic terminal, and to receive the optical signal between the photoelectric conversion device and the photoelectric conversion device.

In the power system protection control system according to the present invention, the optical signal between the photoelectric conversion device and the photoelectric conversion device is a frequency multiplex signal.

In the power system protection control system according to the present invention, the simultaneous signal synchronizing between the protection relay devices and the electronic data signal in the protection relay device are at different frequencies between the photoelectric conversion device and the photoelectric conversion device.

In the power system protection control system according to the present invention, the usual data signal and the usual corresponding data signal are at different frequencies between the photoelectric conversion device and the photoelectric conversion device.

In the power system protection control system according to the present invention, each photoelectric conversion device includes an optical waveguide portion and a photoelectric conversion portion detachably mounted to the optical waveguide portion.

In the power system protection control system according to the present invention, the photoelectric conversion section is composed of a plurality of photoelectric conversion elements corresponding to optical signals of different frequencies, and the plurality of photoelectric conversion elements have their own power supplies and are electrically insulated from each other. will be.

1 is a configuration diagram showing a power system protection control system according to Embodiment 1 of the present invention.

2 is an explanatory diagram showing a plurality of types of correction values tables.

3 is an explanatory diagram showing a web screen when the repair PC25 or the design PC27 approaches the correction value table A. FIG.

4 is an explanatory diagram showing a web screen after the correction value is changed.

5 is a system diagram showing a system configuration corresponding to the correction table A. FIG.

6 is an explanatory diagram showing a web screen on which operation history is displayed.

7 is a configuration diagram showing a power system protection control system according to a twenty-third embodiment of the present invention.

8 is an explanatory diagram for explaining supplementation of system state information.

9 is a configuration diagram showing a power system protection control system according to a twenty-fourth embodiment of the present invention.

10 is an explanatory diagram showing a screen for relay operation maintenance.

It is explanatory drawing which shows the relay operation maintenance screen.

12 is an explanatory diagram showing a relay operation maintenance screen.

It is explanatory drawing which shows the relay operation maintenance screen.

14 is an explanatory diagram showing a display mode selection 1 selection screen and a relay operation maintenance screen;

15 is an explanatory diagram showing another example of the relay operation maintenance screen.

Fig. 16 is a flowchart showing the system construction method according to Embodiment 33 of the present invention.

17 is a configuration diagram showing hardware of the relay board.

18 is an explanatory diagram showing an example of a web screen in which a plurality of screens are displayed in parallel.

19 is an explanatory diagram showing a connection relationship between an additional relay plate, a plurality of relay plates, and a hub (I / O port).

20 is an explanatory diagram showing the detailed structure of the photoelectric conversion device 45. As shown in FIG.

21 is an explanatory diagram of a method of multiplexing an optical signal in an accident.

22 is an explanatory diagram of an optical frequency band in the case of multiple transmission of an optical signal.

23 is a block diagram showing a conventional power system protection control system.

<Description of the symbols for the main parts of the drawings>

11-14: Relay board (protective relay device) 15-18: Electronic acceptance device

19-22: Web server (Web server) 23-28: PC (electronic terminal)

29-34: Web browser 35: Communication line

41: breaker 42: software receiving device

43: hub 43T: additional connection terminal

43TT: Terminal for additional connection 45: Photoelectric conversion device

300: optical data signal 301: optical sampling synchronization signal

451: main light path 452 to 455: branch light

456: photoelectric conversion element 456T: electrical signal terminal

457: power converter 457T: connection terminal

458: photoelectric conversion element 458T1, 458T2: electrical signal terminal

459: power converter 459T: connection terminal

460: electrical insulation space 461: attached insulating member

4611 ~ 4614: adhesive hole

(Embodiment of invention)

One embodiment of this invention is described.

Embodiment 1

1 is a block diagram showing a power system protection control system according to a first embodiment of the present invention. In the drawing, 11 to 14 are installed in an electric power station, and trip breakers are detected when an accident is detected in a transmission line or a bus. At the same time, it collects the system status information (e.g., information indicating the open / closed state of the breaker or division switch installed in the bus, bus voltage, bus current, video current, etc.) and stores them in the electronic storage device 15 ~ 18. Relay boards (protective relay devices), 15 to 18, are electronic storage devices that store system status information, and 19 to 22 are Web servers.

23 ~ 28 are PCs (electronic terminals) with display devices such as personal computers equipped with Web browsers 29 ~ 34, 29 ~ 34 are web servers mounted on relay boards 11 ~ 14, 19 ~ 22 and communication circuits 35 35 is a wired or wireless communication circuit line such as an internet, an ethernet, or an internet.

Next, the operation will be described.

Relay boards 11 to 14, for example, are equipped with an interface for collecting system status information indicating the open / closed state of a circuit breaker installed in a bus, and store the information on the system in electronic storage devices 15 to 18.

On the other hand, when determining whether the power line connected to the A station is in a normal state, the repair PC25 installed at the maintenance point in the power supply side of the electric power company etc. uses the web browser 31 to relay the relay of the A station. It attempts to connect to Web server 19 mounted on relay board 11 by outputting class 11 and specific address information to communication rotation 35.

When the web server 19 mounted on the relay board 11 receives this address information, the connection between the web browser 31 and the web server 19 is established.

In this way, when the connection between the web browser 31 and the web server 19 is established, HTTP communication between the web browser 31 and the web server 19 is started, and the maintenance PC25 uses the web browser 31 to send a request for transmitting system status information to the relay panel 11. Output to web server 19

When the web server 19 mounted on the relay board 11 receives the transmission request of the system status information from the maintenance PC25 through the communication line 15, the web server 19 stores the system status information stored in the electronic storage device 15 through the communication line 35 to the maintenance 25. send.

For this reason, the repair PC25 can determine whether the power transmission line connected to the A electric station is in a normal state.

In addition, since the Java PC is installed in the maintenance PC25, a program for displaying the system status information on the screen is downloaded through the communication line 35 from the electronic storage device 15 when java is executed. There is no need to do it.

As is apparent from the above, according to the first embodiment, the PC is equipped with a Web browser to establish a connection through a communication line with a Web server mounted in the relay panel, and is stored in the relay panel using the Web browser. Since it is configured to acquire the system status information, it is possible to grasp the power system status without having to install the dedicated program in the PC.

Therefore, if a web browser (universal browser software) is mounted, the purchase cost of the dedicated software does not occur, so that the system construction cost can be reduced.

General-purpose browser software is generally available free of charge, so almost all PCs are assembled at the time of purchase.

In addition, the version up of the general-purpose browser software can be easily performed through the Internet.

In addition, any type of PC can be used as long as the computer can be loaded with a web browser, and an expensive high performance computer is not required.

That is, other PCs 23, 24, 26-28, power supply base, device supply side, and mobile PCs (electronic terminals with portable display devices) of A-C electric stations have the same functions as those described above with PC25 as necessary. do.

Embodiment 2

In the first embodiment described above, the web browser 31 is used to acquire the system status information stored in the electronic storage device 15 of the relay board 11, etc., but the web browser 31 is used to display the electronic storage value 15 of the relay board 11. The operation setting information of the protective relay device included in the stored system status information is changed through communication line 35.

As a result, it is possible to change the operation setting information of the protection relay device without mounting the dedicated program on the maintenance PC25, the other PC, or the movable PC.

Embodiment 3

In the first embodiment, the system status information stored in the electronic storage devices 15 and the like of the relay panel 11 is obtained by using the web browser 31, but stored in the electronic storage devices 15 and the like of the relay panel 11 using the web browser 31. The relay internal state information may be acquired, and horizontal diagnosis of the relay board 11 or the like may be performed via the communication line 35 based on the relay internal state information.

For example, in the relay panel 11, the AD conversion data for the reference input of the analog input unit is transmitted to the maintenance PC25 via the communication line 35 as relay internal state information.

Then, the trend (TREND) between the IAD converted data and the past AD converted data is analyzed, and the lifespan diagnosis is performed by comparing the result of the analysis with the quality judgment value.

If the remaining life is small, an alarm is output to PC25 and relay board 11.

As a result, the on-site maintenance worker can diagnose the remaining life without going to the electric station and conducting the characteristic test, thereby reducing the labor cost.

In addition, since there is no need for hand loss, the lifespan can be diagnosed in a short time, thereby maintaining the reliability of the system.

Since life cycle diagnosis can be performed without the need to stop the relay panel, it is effective to carry out life cycle diagnosis without being restricted by the system operation.

Embodiment 4

In the third embodiment, the maintenance PC25 is displayed for performing the life diagnosis, but the development, design, or production PCs 26 to 28 installed in the marker acquire the internal state information through the communication line 35 to diagnose the life. May be performed.

The same effects as in the third embodiment are shown.

Similarly, life-time diagnosis can be performed even if necessary in the PC23, 24 for facility planning or control, or the movable PC of each base and each electric station.

Embodiment 5

Although the embodiment 1 did not specifically mention the simulation of the relay board 11, a system model for controlling the circuit breaker according to the circuit breaker operation command and outputting system phenomenon information indicating the control result, and a system outputted by the system model. The device model for executing the operation determination of the system model based on the shape information may be mounted in the maintenance PC25, and the relay panel 11 may be simulated in the maintenance PC25.

For example, when the system model receives the circuit breaker operation command from the device model, the circuit breaker is controlled according to the circuit breaker operation command to separate the system accident section and output the system phenomenon information indicating the current system status.

When the device model receives the system phenomenon information from the system model, the system model performs the operation determination of the system model based on the system phenomenon information, and the system model feeds back the operation determination result.

Thus, in addition to system accident response, there is an effect that verification can be performed including recovery control after separation of the accident section.

In addition, device model response can be verified continuously while changing the system conditions.

If the verification results are known facts, the system model can be assumed to be in good standing to verify the validity of the device model.

On the contrary, it is possible to verify the validity of the system model by making the device model successful.

Embodiment 6

In the fifth embodiment, the maintenance PC25 displays the system model and the device model. However, the facility planning PC23 may manage the system model, and the design production PC27 may manage the device model.

The same effect as in the fifth embodiment is obtained.

Similarly, the above management can be performed with the other PCs 24, 26 to 28, and each movable PC as necessary.

Embodiment 7

In Embodiment 1, the web browser 31 is used for obtaining system state information stored in the electronic storage device 15, etc. of the Pleiban 11, but the analysis tool (tool) in addition to the system state information stored in the electronic storage device 15, etc. ) Can be downloaded to the maintenance PC25 via the communication line 35.

When the maintenance PC25 downloads the analysis tool, the analysis tool is executed in the browser to analyze the system status information and display the analysis result.

Analysis tools include waveform analysis, vector analysis, frequency analysis, and the like.

As a result, the analysis work can be performed at the base where the repairman or the design engineer resides, thereby eliminating the cost and time loss caused by the movement of the repairman or the design engineer.

Therefore, when an analysis is required in a short time as in a system accident, the request can be coped with.

When the system status information is downloaded, the analysis tool is also downloaded to the maintenance PC25, so that the analysis process can be executed without installing the analysis tool in advance for the maintenance PC25.

However, the analysis tool may be installed in advance on the repair PC25.

In the seventh embodiment, the maintenance 25 is displayed for performing the analysis process, but the present invention is not limited thereto. For example, the design PC27 or the other PCs 23, 24, 26, 28, and each operation PC execute the analysis process. You may also do it.

In the seventh embodiment, the analysis tool is downloaded from the electronic storage device 15 of the relay board 11, but the present invention is not limited thereto. For example, the communication line may be configured in a server installed at a power supply base or a device providing base. You can also download the analysis tool via.

Embodiment 8

In the first embodiment, the system state information stored in the electronic storage devices 15 and the like of the relay panel 11 is obtained by using the web browser 31. However, the electronic storage device 15 of the relay board 11 is obtained by using the web browser 31 and the like. Download the internal status display software that enables access to the electronics (e.g. breaker opening and closing information or current voltage information) stored in the back to the repair PC25 or the design PC27 via the communication line 35. PC27 may be configured to execute the internal status display software as necessary.

The internal status display software, for example, has the function of displaying the fault occurrence status and operation condition setting status of the relay board 11, so that a maintenance worker or a design engineer can accurately grasp the status of the relay board 11 while comparing it with his own knowledge. It is.

Embodiment 9

In the eighth embodiment, the web browser 31 is used for downloading the internal status display software. However, the internal status setting software for setting the internal status such as the relay beam 11 can be downloaded to the maintenance PC25 or the design PC27. When the maintenance PC25 or the design PC27 executes the internal state setting software, the set value compared with the grid current or the like in the comparison operation performed in the PC when determining the operation of the circuit breaker 11 or the like. Applicable).

As a result, it is easy to collectively manage the correction values of the plurality of relay panels, thereby improving the reliability of the system.

In addition, since the maintenance personnel or the design engineer can change the correction value even without going to the electric station on site, there is an effect that the response of the system configuration can be quickly responded.

Embodiment 10

In the above embodiments 8 and 9, the internal state display software and the internal state setting software are displayed for downloading to the maintenance PC25 or the design PC27, but the internal state display software is downloaded to the maintenance PC25 via the communication line 35, The state setting software may be downloaded to the design PC27 via the communication line 35.

Because of this, if the program structure of the internal state display software and the internal state setting software is large, it is downloaded to each PC, thereby reducing the time required for downloading.

Embodiment 11

In the eighth embodiment, a web browser 31 or the like is used for downloading the internal status display software. However, the relay S / W setting software for setting or changing the relay software such as the relay board 11 using the web browser 33 is shown. It may be downloaded to the design PC27 via the communication line 35, and the internal status display software may be downloaded to the maintenance PC25 via the communication line 35 using the web browser 31.

Therefore, when it is necessary to expand or change the function of the relay panel 11, there is an effect that can be quickly expanded or changed the function of the relay panel 11, even if the maintenance worker or the design engineer does not go to the electric station of the site.

In addition, in the eleventh embodiment, the design PC27 indicates that the relay software such as the relay board 11 is set or changed, but the design PC27 transmits the relay S / W setting software to the maintenance PC25 through the communication line 35. The maintenance PC25 may set or change the relay software such as the relay board 11 through the communication line 35.

In addition, in the eleventh embodiment, the maintenance PC25 displays the monitoring of the relay boards 11 and the like, but the design may be downloaded so that the PC27 downloads the internal status display software through the communication line 35 to monitor the relay boards 11 and the like.

Embodiment 12

Although not specifically mentioned in the above embodiments 10 and 11, the design PC27 stores at least one electronic data during the drawing, manual production year, and function overview of the relay board 11 and the like, and repairs the electronic data through the communication line 35. You may transmit to PC25.

That is, when the design PC27 receives the electronic data transmission request from the repair PC25, the Mecha technician who is in charge of managing the electronic data determines whether the transmission request is justified, and if the transmission request is justified, the design PC27 The electronic data is transmitted to the maintenance PC25 via the communication line 35.

As a result, the maintenance worker can obtain appropriate reply information when necessary.

In addition, in order to prevent the leakage of information other than the authorized person, reference rights of electronic data are managed by the public key method of the Internet.

In addition, in order to prevent electronic data from being intercepted on the communication line 35, the electronic data is concealed by the encryption technology of the Internet.

Embodiment 13

In the twelfth embodiment, the design PC27 indicates that the electronic data is transmitted to the repair PC25. However, the repair PC25 may read the electronic data stored in the design PC27 through the communication line 35.

The same effects as in the 12th embodiment are obtained.

Embodiment 14

In the twelfth embodiment, the design PC27 stores at least one piece of electronic data among drawings, manuals, production years, and functional outlines related to the relay board 11 and the like and transmits the electronic data to the repair PC25. Electronic data relating to facility planning of power transmission lines, transformers, breakers, etc., including relay panels 11 and the like, may be stored and transmitted to the design PC27 via the communication line 31.

This enables Mecca design engineers to verify the adequacy of facility protection for the relay station to be installed using electronic data on facility planning.

The user planner can receive the results of the Mecca verification and refine or reevaluate the facility plan.

Embodiment 15

In the fourteenth embodiment, the repair PC25 indicates that the electronic data related to the facility planning is transmitted to the design PC27, but the design PC27 may read the electronic data stored in the repair PC25 through the communication line 35. do.

The same effect as in the 14th embodiment is shown.

Embodiment 16

In the twelfth embodiment, a configuration has been described in which the design PC27 transmits electronic data such as drawings related to the relay board 11 and the like to the repair PC25. In the fourteenth embodiment, the repair PC25 designs the electronic data related to the facility plan. Although the configuration for transmitting to the PC27 for use has been described, the electronic data such as the drawings for the relay board 11, etc. of the design PC27 is transmitted to the maintenance PC25 through the communication line 35, and the maintenance PC25 transmits the electronic data related to the equipment plan. The configuration may be transmitted to the design PC27 via 35.

Embodiment 17

In the sixteenth embodiment, the design PC27 transmits the electronic data such as the drawings related to the relay board 11 and the like to the repair PC25 and the repair PC25 transmits the electronic data related to the facility plan to the design PC27. The communication PC 35 reads the electronic data such as the drawings of the relay board 11 and the like stored in the design PC27 through the communication line 35 and communicates the electronic data related to the equipment plan in which the design PC27 is stored in the maintenance PC25. The reading may be made via the line 35.

Embodiment 18

In the ninth embodiment, the internal state setting software is executed to change the correction value of the relay board 11 or the like. However, the repair value PC25 or the design PC27 correspond to the system conditions in the plurality of types of correction value tables. The table may be selected to change the correction values of the relay board 11 and the like through the communication line 35.

Specifically, as shown in FIG. 2, a plurality of types of correction values tables are stored in the relay board 11 and the like, and the repair PC25 or the design PC27 uses an arbitrary number of correction tables using a web browser 31 or the like. To reach them.

3 shows a web screen when the maintenance PC25 or the design PC27 reaches the correction value table A. FIG.

In the case where the correction value table A corresponds to the system configuration of FIG. 5, when switching to the state with the breaker 41 inserted and removed, the system state information is transmitted from the relay board 11 or the like to the maintenance PC25 and the maintenance PC25 or the like. Calculate with the optimum correction value for the current system configuration.

The new correction value is transmitted to the relay board 11 and the like, and the correction value of the relay board 11 and the like is changed through the communication line 35.

4 shows the Web screen after the correction value is changed.

Here, for calculating the optimal correction value of the system configuration, the correction value table corresponding to the system configuration after the change is selected from the correction table A corresponding to the system configuration before the change (correction table B). The correction value stored in the correction value table B may be changed to a correction value such as relay board 11 or the like.

As a result, since the correction value can be changed at a remote location, the operation maintenance can be rationalized.

In addition, since the correction value is automatically changed when the system configuration changes, there is an effect that can prevent the incorrect setting by humans.

Embodiment 19

In the eighteenth embodiment, although the correction value table is displayed inside the relay panel 11 or the like, a storage device for collectively storing the correction value tables of the plurality of relay panels may be provided outside the relay panel 11 or the like.

For this reason, there exists an effect which can manage the correction value table of several relay board collectively.

Embodiment 20

In the nineteenth embodiment of the present invention, a storage device for collectively storing correction value tables of a plurality of relay boards is displayed outside the relay board 11 or the like, but when the communication line between some storage devices and the relay board 11 is normal, The correction value table stored in the storage device may be selected, and if the communication line is not normal, the correction value table stored in the internal storage device may be selected through a healthy communication line 35 or in an electric station. .

Therefore, it is possible to collectively manage the correction value tables of the plurality of relay panels and to select an appropriate correction value table even when a communication error occurs.

Embodiment 21

In the above embodiments 1 to 20, the control of the breaker based on the correction values of the relay board 11 and the like is shown, but the CPU for storing the operation details of the relay board 11 and the like in the storage device is mounted in the relay board 11 and the like. The personal computer 25 or the like may use the web browser 31 or the like to read the operation history stored in the storage device such as the relay board 11 through the communication line 35.

Therefore, it is possible to reliably record the operation history without having to record the operation history on its own whenever a plurality of members or the like executes any operation, and at the same time, it is possible to identify the cause quickly by checking the operation history only when an abnormality occurs.

Embodiment 22

In the twenty-first embodiment, the operation details of the relay panel 21 and the like are displayed in the storage device. However, the operation contents are stored such that the date of change of the correction value, the object of change, the correction value before the change and the correction value after the change are stored. You may also

6 is a web screen showing operation details.

This has the effect of recognizing details of the operation regarding the change of the correction value.

Embodiment 23

In Embodiments 1 to 22, although no particular reference was made to the identification of the failure point of the power system, as shown in Fig. 7, system status information (voltage and current information to which sampling time information was added) was included in the self-monitoring range. In the relay boards 11 to 14, which store the), the maintenance PC25 may use the web browser 31 to read their system status information through the communication line 35, respectively, and check the system fault information in the system status information. .

That is, when the maintenance PC25 reads the system status information from the relay boards 11 to 14, the system fault information is identified from the system status information. However, in the relay boards 11 to 14, the sampling time of the system status information is subtly shifted. Therefore, as shown in FIG. 8, the system status information is supplemented by using the sampling time information based on the system status information of a relay panel (based on the system status information of relay panel 11). The sampling time calculates the system status information at the same time.

The maintenance PC25 checks the fault points of the system using the system status information at the same time by executing the FL operation program when the sampling time calculates the system status information at the same time.

The FL calculation program may be installed in advance on the maintenance PC 25, or may be downloaded via the communication line 35 from the relay board 11 or the like.

Therefore, there is an effect that can check the system failure by using a maintenance PC25 composed of a personal computer, etc., without installing a dedicated hardware for identifying the failure point.

In addition, there is an effect that can confirm the failure of the system without stopping the relay panel.

Embodiment 24

In the twenty-third embodiment, the maintenance PC25 or the like is displayed for calculating the system state information at the same time as the sampling time, but as shown in FIG. 9, the plurality of relay boards synchronize the sampling time with each other. Therefore, system status information at the same time may be given to the maintenance PC25.

As a result, the repair PC25 and the like have an effect of identifying a failure point without calculating the system state information at the same time.

Embodiment 25

In Embodiments 1 to 24, the relay operation maintenance screen displayed by the maintenance PC25 is not particularly mentioned, but the operation maintenance screen may be set as follows.

That is, as shown in FIG. 10, the first display area which displays the kind of the screen prepared in advance for the relay board 11 and the like and accepts the display of the screen, and the display of any screen among a plurality of kinds of screens. Is accepted, a second display area for concretely displaying the screen is set on the same screen.

Specifically, upon receiving the display request of the relay operation maintenance screen, the type of the screen prepared in advance for the relay panel 11, etc. is displayed in the first display area.

In the example of FIG. 10, a "correction screen", a "relay operation screen", an "input electric power screen", and the like are prepared in advance.

For example, if " correction screen " is selected by clicking " 1. Correction ", &quot; 1. Correction &quot; is inverted as shown in Fig. 10, and specific contents of the &quot; correction screen &quot; are displayed in the second display area.

When the details of the "correction screen" are displayed in the second display area and the "2, relay operation" displayed in the first display area is selected by clicking, the second display area is displayed in detail. The contents are displayed.

In this way, since the first display area and the second display area are secured on the same screen, it is possible to grasp the entire configuration of the relay operation maintenance screen and to easily grasp which screen is currently displayed.

In addition, since the first display area is resident on the screen, it is possible to simplify the transition operation to another screen.

In general, since the first display area does not reside on the screen, it is necessary to select the display target screen after displaying the first display area once to change to another screen.

Embodiment 26

In the twenty-fifth embodiment, the first display area is shown above the second display area. However, as shown in FIG. 11, the first display area may be set on the left side of the second display area.

Because of this, since the arrangement is the same as the information arrangement screen of many other information terminals, there is an effect that the user can naturally settle the operation of a convenient new function.

In the same way as in the twenty-fifth embodiment, the display area of the second display area is set wider than that of the first display area so that the specific contents of the screen can be displayed in detail without impairing the operability of the screen transition operation. have.

Embodiment 27

In the twenty-fifth embodiment, the first display area and the second display area are displayed on the same screen. However, as shown in Fig. 12, the types of the relay boards 11 (names of the relay panels) and the relay boards 11 and the like are displayed. A third display area for displaying the name of the installed electric station, the state of the relay board 11, and the like may be set on the same screen as the first and second display areas.

In the twelfth example, this relay board is installed in a substation in Beijing, indicating that the type of relay board is a DZ device, and that a part of the current system is February 12, 2000, and this relay board is normal.

In addition, you may display the information (number of successful inspections) regarding the relay board not illustrated here.

As a result, since the information on the relay panel currently in communication with the maintenance PC25 can be recognized in detail, the relay panel can be repaired accurately and efficiently.

Embodiment 28

In the twenty-seventh embodiment, the third display area is displayed on the right side of the second display area. However, as shown in FIG. 13, the third display area may be set above or below the second display area. .

Thus, the information of the second display area and the information of the third display area can be displayed relatively.

Similarly to the twenty-seventh embodiment, the display area of the second display area is set wider than that of the third display area, so that the specific contents of the second display area are displayed in detail.

Embodiment 29

In the 25th to 28th embodiments, the first display area is displayed on the relay operation maintenance screen. However, as shown in Fig. 14, the display mode alternative selection screen is displayed before the relay operation maintenance screen is displayed. The display mode alternative selection screen may be used, and the presence or absence of the display of the first display area may be set.

That is, the display mode alternative selection screen is either one of the first display mode for displaying the first display area and the second display area on the same screen, or the second display mode for displaying the second display area without displaying the first display area. On the other hand, when the first display mode is selected, the first display area is displayed on the screen, but when the second display mode is selected, the first display area is not displayed on the screen.

As a result, the screen configuration that respects the user's intention can be set.

Embodiment 30

In the twenty-ninth embodiment, the display mode alternative selection screen is displayed before the relay operation maintenance screen is displayed. On the display mode alternative selection screen, the display mode alternative selection screen is memorized and the display mode alternative selection screen is displayed next. When the display mode is displayed, the display mode may be focused. For this reason, unless the display mode is changed, the same display mode is selected (selection of the display mode is completed by simply clicking the OK button), so that the operation can be simplified.

Embodiment 31

In the above embodiments 25 to 30, the software for displaying the relay operation maintenance screen or the display mode alternative selection screen and the relay internal status information of the relay board (hereinafter referred to as "information about the display of the screen" including the software and the relay internal status information); Although not specifically mentioned, the maintenance PC25 may download the information on the display of the screen stored in the relay board 11, etc. using the web browser 31.

Thus, there is an effect that the maintenance PC25 does not need to secure a memory area for storing information on the display of the screen.

Embodiment 32

In the 25th to 31st embodiments, the various screens displayed in the second display area, although not paid, are included in the various display screens including the screens for accepting the change of the relay board correction values. When is received, the maintenance PC25 may change the correction value of the relay board.

As a result, it is possible to change the correction value of the relay board in the screen yarn displayed in the second display area.

In the fifteenth aspect, the display of the initial screen of the second display area is to display the same type as the type of the upper concept of the first display area. Therefore, when a correction value of the type of the second display area is selected and clicked, FIG. In Fig. 14, an example in which the display screen of the second display area is opened has the same effect as in Figs.

Embodiment 33

Fig. 16 is a flowchart showing the system construction method according to Embodiment 33 of the present invention.

17 is a block diagram showing hardware of the relay board.

The relay panel is composed of a signal input unit for inputting a system information signal and a CPU unit for executing processing in accordance with the system information signal.

The CPU unit receives the input / output processing CPU card that executes input / output processing for the system information signal input by the signal input unit and the PC25 for maintenance, and the like. The common CPU card (common board) having the function of the relay element commonly used in a plurality of systems among the human interface CPU card and various relay elements to be transmitted to the system and the relay element selectively used according to the system operation plan. It consists of individual CPU cards (individual boards) with functions.

Therefore, when a relay element corresponding to the system operation plan is incorporated in the relay board, the functions of the relay elements commonly used in a plurality of systems among various relay elements are provided with a common CPU card (step ST1), The function of the relay element selectively used in accordance with the system operation plan is made by providing an individual CPU card (step ST2).

In addition, individual CPU cards can be serialized for each relay element, and can be selectively replaced to build a system suited to the system configuration.

Regarding the software of the relay element mounted on the relay board, the software of the relay element is loaded into the relay board by downloading the software of the relay element from the software storage device 42 in which the relay element is stored through the communication line.

That is, the software storage device 42 installed in the power supply side of the power supply company stores the software of the relay element corresponding to the multiple system configuration. Therefore, in the facility planning base, the PC23 for facility planning is designated by the system operation planner. When the information is inputted and the relay panel changed in accordance with the plan change and the software of the relay element required by the relay panel are designated, the software of the relay element is selected (step ST3). It is downloaded to at least one of the CPU cards via the communication line 35 (step ST4).

However, if there is no individual CPU card, it is downloaded only to the common CPU card and divided by steps ST3 and ST4.

In the case of newly establishing the relay board itself, the software of the relay element required by the relay board is downloaded to the common CPU card of the relay board and the individual CPU card as required by the facility plan.

When the relay software is stored in advance on the common CPU card or the individual CPU card without passing through the communication line 35, only the steps ST1 and ST2 are used to divide the steps ST3 and ST4.

As is apparent from the above, according to the third embodiment, when only the relay is modified in accordance with the plan change, the individual CPU card is added or replaced according to the system operation plan, and the relay element software required by the relay board is changed after the change. It can cope simply by downloading, so it is easy to build the system according to the system operation plan.

Since the software storage device 42 stores the software for the operation confirmation, it is possible to omit the trouble of performing the operation confirmation experiment after downloading the software.

Therefore, the blackout time accompanying the change of a system operation plan can be shortened.

In the thirty-third embodiment, the input / output processing CPU, the common CPU, and the human interface CPU can be implemented in common with one or two CPUs according to the CPU processing performance.

Embodiment 34

In the thirty-third embodiment described above, the facility planning PC23 reads the system operation plan information created by the system operation planning base, and displays about downloading the relay element software required by the relay panel after the change. The PC 27 reads the system operation plan information created by the system operation planning base through the communication line, and may download the relay element software required by the relay board after the change.

The same effect as in the thirty-third embodiment is obtained.

Embodiment 35

In the thirty-third embodiment, the expansion or solidification of the individual CPU card is indicated according to the system operation plan. However, the CPU unit may be expanded by expanding the signal input unit.

The same effects as in the thirty-third embodiment are exhibited.

Embodiment 36

As shown in Figs. 1 and 18, the thirty-sixth embodiment includes the multiple protection relay devices 11 to 14 and the multiple protection relay devices 11, respectively, provided in the multiple electric stations (A, B and C stations in Fig. 1), respectively. An electronic terminal equipped with software that enables access to the electronic data stored in the ~ 14, and executing the software to acquire the electronic data and display the electronic data in the multiple protection relay device on the screen. 28 and at least one of the movable PCs), and the electronic data in the protective relay devices 11 to 14 are displayed in parallel in different areas A1 to A4 on the same screen A. FIG.

This makes it possible to easily compare the system state of the multiple electric stations (A, B, C) and the state of the protective relay devices 11 to 14, so that these states can be easily confirmed.

Embodiment 37

In this embodiment 37, as shown in Figs. 1 and 18, the plurality of protection relay devices 11, 12 ... installed in one electric station, for example, A electric station, and the protection relay devices 11, 12 ... An electronic terminal equipped with software for allowing access to electronic data stored in the electronic device and executing the software to acquire the electronic data and display the electronic data in each protection relay device on the screen (electronic terminals 23 to 28 and At least one of the movable PCs) and the electronic data of other relay elements (distance relay, ground fault relay, differential protection relay, etc.) in the protective relay devices 11 and 12. To be displayed in parallel.

For this reason, since the states of a plurality of protection relay devices can be compared easily, these states can be confirmed easily.

Embodiment 38

In this embodiment 38, as shown in Fig. 1, Fig. 18 and Fig. 19, the protection relay devices 11, 12. An electronic terminal equipped with software for allowing access to the stored electronic data, and executing the software to acquire the electronic data and display the electronic data in the protective relay device on the screen (electronic terminals 23 to 28 and movable type). Electronic data of a relay element (relay board 11, 12, 13 or distance relay, ground fault relay in FIG. 19) provided in at least one of the protection relay devices and at least one of the PCs, and an additional relay element in the protection relay device ( The electronic data of the relay board 14 or the differential relay of FIG. 19 are displayed in parallel on different areas A1 to A4 on the same screen A (FIG. 18).

For this reason, the state of the system or the state of the relay elements (relay panels 11, 12, 13 or distance relays and ground fault relays shown in Fig. 19) installed in the protection relay device can be added to the relay elements (relay board 14 or differential relay shown in Fig. 19). It is also possible to easily check these states because it can be easily compared to include.

Embodiment 39

In this embodiment 39, as shown in Fig. 1, Fig. 18 and Fig. 19, a distributed protective relay device (A-electricity station, B-electricity station, C-electricity station of Fig. 1) installed in an electric station and a transformer installed in the electric station A protective relay device (not shown in FIG. 1, but a known transformer protective relay device for protecting a transformer) and software for allowing access to electronic data stored in each protective relay device are mounted and the software is executed by executing the software. An electronic terminal (at least one of the electronic terminals 23 to 28 and the operating PC) for acquiring the electronic data in the multiple protection relay device on the screen, the electronic data in the distribution line protection relay device and the electronic data in the transformer relay device; Are displayed in parallel on different areas A1 to A4 on the same screen A (FIG. 18).

As a result, the state of the distribution line protection relay device and the state of the transformer protection relay device can be compared, thereby facilitating the state over a wide area of the system.

Embodiment 40

In this embodiment 40, at least one of the relay type and the electric station type as shown in the third display area is merged with any of the electronic data displayed in parallel in the display areas A1 to A4 as shown in FIG. It is to be displayed.

As a result, it is possible to check whether the state of the screen is the state of which relay device of which electric station.

Embodiment 41

In Embodiment 41, the display method of parallel-displayed electronic data is different when the corresponding protection control object (corresponding system, transformer, relay device or relay element) is not normal or normal.

For example, when an error occurs in the relay panel 11 in FIG. 1, in FIG. 18, the corresponding display area A1 of the relay panel 11 is flickered and other points (normal relay panels 12, 13, 14) are continuously flickered without flickering. To display.

Thus, it is not necessary to check and judge the contents of the state of each relay device displayed in parallel in the display areas A1 to A4 one by one, so that the display in the case of abnormality can be confirmed at a glance.

Embodiment 42

In this embodiment 42, the electronic data displayed in parallel or the color of this screen is different when the corresponding protection control object (corresponding grid, transformer, relay device or relay element) is abnormal from normal.

For example, in FIG. 1, when an abnormality occurs in the relay panel 11, in FIG. 18, the corresponding display area of the relay panel 11, for example, the display area A1 is displayed in red (background color or data display in red). The points (normal relay boards 12, 13, and 14) are displayed in green (background or data display in green).

This eliminates the necessity of checking and judging the contents of the state of each relay device displayed in parallel in the display areas A1 to A4 one by one, thereby making it possible to check the display of abnormal cases at a glance.

Embodiment 43

In this Embodiment 43, the case where the parallel-displayed electronic data is abnormal in preference to the case where the corresponding protection control object (corresponding system, transformer, relay device or relay element) is normal, is displayed prominently.

For example, when an error occurs in the relay panel 11 in FIG. 1, in FIG. 18, the corresponding display area and display area A1 of the relay panel 11 are displayed in red, (background color or data display is displayed in red), and other points ( Normal relay boards 12, 13, and 14) are displayed in gray (background or data display in gray).

As a result, it is not necessary to check and determine the contents of the state of each relay device connected in parallel to the display areas A1 to A4 one by one, so that the display in abnormal cases can be confirmed at a glance.

Embodiment 44

In the 44th embodiment, each protection control object (corresponding grid transformer, relay device or relay element) is a protection control object in which the corresponding electronic data are displayed in parallel in the display areas A1 to A4 shown in FIG. If any one of them is abnormal, for example, if an error occurs in the relay panel 11, the electronic data, for example, the input electricity of the voltage, current, etc. in preference to the normal protection control object, for example, the electronic data of the relay panels 12-14 As shown in Fig. 15, the display of the electronic data of the normal protection control object, for example, the relay panels 12 to 14 is eliminated, and only the electronic data of the ideal relay panel 11 is displayed first.

As a result, the contents of the electronic data in an abnormal case, for example, 3-1 of the screen 3 input electric quantity in the first display area of FIG. 15, and the screen 3-2 ..... can be quickly confirmed.

Embodiment 45

The 45th embodiment uses electronic data stored in the multiple protection relay devices 11 to 14 and the multiple protection relay devices 11 to 14 respectively installed in the multiple electric stations (A, B and C stations in Fig. 1). It is equipped with software that enables the arrival and execution of the software, and equipped with electronic terminals 23 to 28 for acquiring the electronic data and displaying the electronic data in the multiple protection relay device on the screen. And at least one of the protection relay devices 11 to 14 are displayed in preference to the abnormal protection control object and the electronic data corresponding to the protection relay device.

That is, in the case where the electronic data of the protection control object (system distribution line, transformer, etc.) and the protection relay devices 11 to 14 are not displayed on the drawing, but alternatively displayed, the electronic data that is not normal in preference to the alternative display. Is displayed first.

Because of this, it is possible to verify the contents of electronic data as soon as possible.

Embodiment 46

In Embodiment 46, when at least one of the protection control object (system distribution line, transformer, etc.) and the protection relay devices 11 to 14 is abnormal, the corresponding electronic data is stored in at least one of the electronic terminal (electronic terminal 23 to 28 and the movable PC). (1) is displayed on the initial screen.

As a result, the contents of the electronic data in an abnormal case can be quickly confirmed.

Embodiment 47

As shown in FIG. 1 and FIG. 19, this Embodiment 47 is a multiple protection relay apparatus 11-14 provided in several electric stations (A electric station, B electric station, C electric station of FIG. 1), and multiple protection. The electronic data is acquired via the hub (I / O port 43 in Fig. 19) by executing software that enables access to the electronic data stored in the relay device and is executed by the plurality of protective relay devices. A plurality of relay elements (relay panels 11, 12, 13) comprising an electronic terminal (at least one of the electronic terminals 23 to 28 and a movable PC) for displaying electronic data within 11 to 14 on the screen and constituting a protective relay device. , 14 or distance relay elements, ground relay elements, differential protection relay elements, etc.) are individually united so that each of these united relay elements is individually connected to a hub (I / O port) 43.

For this reason, the addition or replacement of the relay element can be made easily and inexpensively because only the relay element is required.

Embodiment 48

Embodiment 48 shows a relay element (relay vanes 11, 12, 13, 14 or distance relay element, ground fault relay element, differential protective relay element, etc.) and hub (I / O port of FIG. 19), as shown in FIG. The connection method with 43 is a plug-in connection method.

This makes it easy to add or replace relay elements in a short time.

Embodiment 49

In this embodiment 49, an additional connection terminal 43TT in which a relay element (relay board 14 indicated by a dotted line in FIG. 19) can be added to the hub (I / O port) 43 in advance is indicated by a dotted line in FIG. Since the additional connection terminal is connected to the electronic terminal 23-28 (operating PC) in advance, it is only necessary to connect the relay element (relay board 14 indicated by a dotted line in Fig. 19) to the additional connection terminal 43TT. Electronic data of the relay element (relay panel 14 indicated by dotted lines in Fig. 19) is displayed on the screen of the electronic terminals 23 to 28 (at least one of the movable PCs).

Embodiment 50

In this embodiment 50, the electronic data of the relay elements (relay panels 11, 12, 13 of FIG. 19) already installed and the empty electronic data of the additional relay elements (relay board 14 of FIG. 19) are the same screen A of the electronic terminal. In other areas of the image (display areas A1, A2, A3 and A4 in FIG. 18). For example, in the display areas A1, A2, and A3 of FIG. 18, the electronic data is displayed as shown in FIG. 18 by the relay elements (relay panels 11, 12, and 13 of FIG. 19) already installed, and an additional relay element (FIG. 19). The blank electronic data of the relay panel 14 of FIG. 18 is displayed differently in the display area A4 of FIG. 18 than in FIG. 18 (the electronic data is not displayed and only the background color is displayed).

As a result, since there is a non-display area (electronic data is displayed only the background color without display), it is easy to determine whether to add a relay element.

In this case, if the type of relay station of the electric station is displayed, it is very convenient because the presence of additional relay elements can be confirmed on the screen of the electronic terminal.

Embodiment 51

As shown in FIG. 1 and FIG. 20, this Embodiment 51 includes a plurality of protective relay devices 11 to 14 and a plurality of installed in a plurality of electric stations (A, B and C stations in FIG. 1), respectively. An electronic terminal that acquires the electronic data and displays the electronic data in the plurality of protective relay devices on the screen by mounting software that enables the arrival of the electronic data stored in the protective relay device and executing the software (Electronic terminal 23 And a photoelectric conversion device 45 for connecting the protective relay device 11 to 14 and the electronic terminal (at least one of the electronic terminals 23 to 28 and the movable PC) to ~ 28 and at least one of the movable PCs. An electric signal is formed between the 45 and the protective relay devices 11 to 14 and between the photoelectric converter 45 and the electronic terminal, and an optical signal is formed between the photoelectric converter 45 and the photoelectric converter 45.

As a result, even if an abnormality occurs in the electrical signal transmission system of any one protective relay device (any one of 11 to 14), the electrical signal of the other healthy protective relay device is transmitted through the photoelectric conversion device 45, thereby providing a highly reliable power system. The protection control system can be realized.

The detailed structure of the photoelectric conversion device 45 is shown in FIG. 20, where 35 is a communication line of an optical cable, 451 is a main optical path of an optical multiple signal, 452, 453, 454, and 455 are branch optical paths, and 456 is a first optical frequency band. An inverted photoelectric conversion element, for example, includes an optical insert transmitting / receiving module having a light emitting leisure diode LD1, a light receiving port diode PD1, and an electrical signal terminal 456T, and a power conversion device 457 that is a DC / DC converter or the like.

458 is a photoelectric conversion element for the second wide frequency band, for example, a light sampling (SP) registered signal transmission / reception module having a light emitting leisure diode LD2, a light receiving port diode PD2, and battery signal terminals 458T1, 458T2, and a DC / DC converter. A power converter 459 is provided.

460 denotes an electrical insulating space between the photoelectric conversion elements 456 and 458, and 461 denotes an insulating member of the positive photoelectric conversion elements 456 and 458, and mounting holes 4611, 4612, which face the branch optical paths 452, 453, 454, and 455. 4613 and 4614, and light emitting diode LD1 is attached to mounting hole 4611, light receiving port diode PD1 is attached to mounting hole 4612, light emitting diode diode LD2 is attached to mounting hole 4613, and light receiving port diode PD2 is attached to mounting hole 4614, respectively. It is installed.

The power converter 457 and the power converter 459 are connected to an external power supply of this voltage via the connection terminals 457T and 459T, respectively.

In Fig. 1, the photoelectric conversion device 45 of Fig. 20 is connected to the input / output terminals of the relay devices (plates) 11 to 14 and the input terminals of the respective routers, and the electric signal terminal 456T of each photoelectric conversion device 45 is connected. The electronic data signals of the corresponding relay devices (plates) 11 to 14 and the router are inputted and outputted. These input and output electronic data signals are converted by the photoelectric conversion element 456 to photoelectric conversion (the optical signals are converted into electrical signals and the electrical signals are converted into optical signals). When the corresponding sampling synchronization signal source is in the corresponding relay device (plate), the sampling synchronization signal is transmitted as an optical signal from the light-emitting laser diode LD2 by the electrical signal terminal 458T, and the sampling synchronization signal source corresponds. When not in the relay device (plate), the photosampling synchronization signal input to the receiving photodiode PO2 is supplied as an electrical signal from the electrical signal terminal 458T2 into the corresponding relay station (plate).

In addition, the frequency of the output light signal of the light emitting laser diodes LD1 and LD2 is set.

In other words, the optical data signal (data signal in the relay device) 300 and the optical sampling synchronization signal 301 having different frequencies are multiplexed to the main optical path 451 as shown in FIG.

Embodiment 52

In the present embodiment 52, the optical signal between each relay device 11 to 14 and each photoelectric conversion device 45 corresponding to each router is a frequency multiplexed signal.

As a result, the transmission efficiency is more than doubled compared to the continuous signal system such as the conventional Internet and TCP / IP transmission system, and the reliability of the power system protection control system is remarkably improved.

Embodiment 53

In the fifty-fifth embodiment, a photoelectric signal corresponding to each of the protective relay devices 11 to 14 includes a synchronization signal for synchronizing between the protective relay devices 11 to 14 and an electronic data signal in the protective relay devices 11 to 14. A different frequency is used between the converters 45.

Accordingly, there is no need to transfer the synchronization signal and the electronic data signal in the protection relay device in a series of continuous signals such as the conventional Ethernet and TCP / IP transmission schemes, and the signal processing is simplified and the reliability is improved. Highly reliable power system protection control system can be realized.

Embodiment 54

In Embodiment 54, the normal data signal and the corresponding data signal are always optical signals of different frequencies between the photoelectric conversion devices 45. As shown in FIG.

As a result, the transmission speed and signal processing of the corresponding data signal are always improved compared to the method of mixing the usual data signal and the usual corresponding data signal among a series of continuous signals such as the conventional Internet and TCP / IP transmission methods. It is possible to realize a power system protection control system that can be quickly accelerated to speed up abnormal detection and abnormal processing.

That is, as shown in Fig. 21, the waveform analysis signals (data 1, data 2, data N-1) as the normal data among the recorded data at the time of the accident and the circuit breaker trip signal and the circuit breaker as examples as the data corresponding to the usual data. Since the input signals (data 2, data 4, dataN) are set to different frequencies (f1 _, f2), the transmission speed and signal processing of this always-corresponding data signal are accelerated quickly, and the abnormal detection process and the abnormal processing are rapidly accelerated. Power system protection control system can be realized.

In order to realize the present embodiment 54, one side of the photoelectric conversion element 458 for the sampling synchronization signal shown in FIG. 20 is used as the photoelectric conversion element 456 for the relay devices (plates 11 to 14). The photoelectric conversion element 456 may be used for a normal data signal, and the other photoelectric conversion element 456 may be used for this corresponding data signal.

Embodiment 55

In Embodiment 55, as shown in Fig. 20, each photoelectric converter 45 attaches and detaches an optical waveguide (optical paths 451, 452, 453, 454, 455, and an insulating member 456). And photoelectric conversion parts LD1, LD2, PD1, PD2, 456, and 458 mounted as possible.

Accordingly, when the electronic component of the photoelectric conversion element 456 is broken, only the photoelectric conversion unit needs to be replaced, and during the replacement period, signals of other protection ray devices or the like that do not correspond to the photoelectric conversion unit may be light waveguides. It is possible to implement a highly reliable power system protection control system that can be transmitted to other places via the system to minimize the effects of electronic component failures.

Embodiment 56

In Embodiment 56, the photoelectric conversion section is composed of a plurality of photoelectric conversion elements 456, 456, and 458 corresponding to optical signals of different frequencies, and the plurality of photoelectric conversion elements are respectively provided with magnetic power sources 457, 457, 459, and are electrically insulated from each other. As a result, it is possible to realize a power system protection control system capable of accepting signals of other potentials such as electronic data, synchronization signals, and output signals of electronic terminals in the protection relay device.

As described above, according to the present invention, a web browser equipped with a web server mounted in the protective relay device and a web browser for establishing a connection through a communication line are mounted, and the web browser is accommodated in the protective relay device using the web browser. Since the system state information is acquired, the state of the power system can be grasped without having a dedicated program mounted on the electronic terminal.

According to the present invention, since the system state information stored in the protection relay device is changed using a web browser, there is an effect that the system state information can be changed without mounting a dedicated program in the electronic terminal.

According to the present invention, there is provided a web browser which establishes a connection via a communication line with a web server mounted in a protection relay device, and uses the web browser to store internal relay state information stored in the protection relay device. It is configured to perform the life diagnosis of the protection relay device according to the relay internal status information. As a result, the field maintenance worker can diagnose the remaining life without going to the electric station and conducting the characteristic test, thereby reducing the labor cost. It has an effect. In addition, since it does not require human hands, it is possible to carry out life diagnosis in a short cycle, thereby maintaining the reliability of the system.

In addition, since the life diagnosis can be performed without stopping the protective relay device, the life diagnosis can be performed without being restricted by the system operation.

According to the present invention, since the electronic terminal is installed in at least one of the bases of the facility planning, control, maintenance, device development, device design, and device manufacturing of the protection relay device, the maintenance base or design production base, There is an effect that can perform the surface diagnosis of the protective relay device.

According to the present invention, a system for controlling a circuit breaker according to a circuit breaker operation command and outputting system phenomenon information indicating the control result, and an apparatus for performing operation determination of the system motel according to the system phenomenon information outputted by the system model. Since it is configured to have a model section, in addition to system accident response, there is an effect that verification can be performed including recovery control after separation of an accident section.

According to the present invention, since the operation determination result of the device model is configured to feed back to the system model, it is possible to apply verification to the system accident response and perform verification including recovery control after the separation of the accident section.

According to the present invention, since the system model is installed at the facility planning base and the device model is installed at the design and manufacturing base, the system model can be operated at the design and manufacturing base.

According to the present invention, when the system state information is connected to a plurality of protection relay devices via a communication line, and the system state information is acquired from the plurality of protection relay devices, the analysis tool is used to analyze the system state information and display the analysis result. As a result, it is possible to eliminate the loss of cost and time due to the movement of maintenance workers and design engineers, so that even if a request for analysis in a short time occurs, such as in a system accident, there is an effect of coping with the request.

According to the present invention, since at least one of the waveform analysis, the vector analysis, and the frequency analysis is configured to be executed, the cause of an accident occurring in the power system can be estimated with good accuracy.

According to the present invention, when the web relay is mounted on the protection relay device and the web browser is mounted on the electronic terminal, the electronic terminal uses the web browser to read the system state information stored in the protection relay device. Since it is configured to acquire, there is an effect that system state information can be acquired without mounting a dedicated program in the electronic terminal.

According to the present invention, when the analysis tool is accommodated in the protective relay device, the analysis tool is configured to download the analysis tool using a web browser, so that the analysis process can be executed without installing the analysis tool in advance in the electronic terminal. It has an effect.

According to the present invention, since the software is provided to enable access to the electronic data contained in the plurality of protection relay devices, and the software is executed, the electronic data is acquired to monitor the plurality of protection relay devices. In other words, multiple sources and design engineers are able to accurately identify the state of the protective relay device by contrasting their knowledge.

According to the present invention, the protection relay device is monitored through a communication line by an electronic terminal in at least one of the bases of facility planning, control, maintenance, device development, device design, and device fabrication. It is effective to grasp the state of the protective relay device.

According to the present invention, since the software for enabling access to the electronic data contained in the plurality of protection relay devices is mounted and the software is executed, the correction values of the plurality of protection relay devices are changed. There is an effect that a quick response to the change can be made.

According to the present invention, it is configured to change the correction value of the protective relay device through a communication line by an electronic terminal in at least one of the points of facility planning, control, maintenance, device development, device design, and device manufacturing. As a result, it is possible to respond quickly to changes in the system configuration.

According to the present invention, there is provided a software that allows access to electronic data contained in a plurality of protective relay devices, and by executing the software, the power supply side for acquiring the electronic data and monitoring the plurality of protective relay devices. And an electronic terminal on the device providing side for changing the correction values of the plurality of protective relay devices by executing the software and the software for enabling access to the electronic data contained in the plurality of protective relay devices. Since it is configured to have a function, it is possible to accurately grasp the state of the protective relay device while the maintenance worker or the design engineer is inquiring with his knowledge, and at the same time, it is possible to respond quickly to changes in the system configuration.

In addition, since these software are downloaded to separate electronic terminals, there is an effect that the time required for download can be reduced.

According to the present invention, there is provided an apparatus for installing or updating relay software of a plurality of protective relay devices by mounting software for enabling access to electronic data stored in the plurality of protective relay devices and executing the software. Power supply for acquiring the electronic data and monitoring the plurality of protective relay devices by mounting the electronic terminal and software for enabling access to the electronic data contained in the plurality of protective relay devices, and executing the software. Since it is configured to have an electronic terminal, the maintenance and design technicians can quickly expand or change the function of the protective relay device, even without going to the electric station of the field.

According to the present invention, an electronic terminal in at least one of the bases of device development, device design, and device fabrication accommodates at least one electronic data of the drawings, manuals, production years, and functional summary of the protection relay device. In addition, the electronic data is transmitted to the electronic terminal in at least one of the facilities planning, control, and maintenance points through a communication line, so that maintenance personnel can obtain the latest information as needed. There is.

According to the present invention, an electronic terminal in at least one of the bases of device development, device design, and device fabrication accommodates at least one electronic data, among drawings, manuals, production years, and function overviews of the protective relay device. The electronic terminal in at least one of the facilities planning, control, and maintenance points is configured to read the electronic data through the communication line, so that maintenance personnel and the like can obtain appropriate body information when necessary. It works.

According to the present invention, an electronic terminal in at least one of the facilities planning, control, and maintenance points receives electronic data related to the equipment planning including a protection relay device, and the electronic data is developed through a communication line. Of the equipment design, equipment design, and transmission to an electronic terminal in at least one of the bases, the technician of the manufacturing company uses the electronic data on the equipment planning to protect the equipment for the protection relay device to be installed. It is effective to verify the adequacy of

According to the present invention, an electronic terminal located in at least one of the facilities planning, control, and maintenance points receives electronic data relating to the equipment planning including the protection relay device, and includes device development, device design, and device fabrication. Since the electronic terminal in at least one of the bases is configured to read the electronic data through the communication line, the design engineer of the manufacturing line uses the electronic data on the facility plan to It is effective to verify the adequacy of facility protection.

According to the present invention, an electronic terminal located in at least one of the bases of device development, device design, and device fabrication accommodates at least one electronic data of the drawings, manual, year of production, and function overview of the protective relay device. The electronic data is transmitted to an electronic terminal in at least one of the facilities planning, control, and maintenance points through a communication line.

An electronic terminal located in at least one of the bases of the planning, control, and maintenance includes a protective relay device for receiving electronic data related to facility planning, and developing the device through a communication line. Since it is configured to transmit to the electronic terminal in at least one base among each of the base stations, there is an effect that the latest information appropriate to the maintenance worker can be obtained when necessary. In addition, there is an effect that the design engineer of the manufacturing company can verify the adequacy of the protection relay device to be installed by using the data on the facility plan.

According to the present invention, an electronic terminal in at least one of the bases of device development, device design, and device fabrication accommodates at least one electronic data of the drawings, manuals, production years, and functional summary of the protection relay device. The electronic terminal in at least one of the bases of facility planning, control, and repair reads the electronic data through the communication line, and at least one of the bases of facility planning, control, and maintenance is read. The electronic terminal which receives the electronic data regarding the facility plan including the protection relay device, and the electronic terminal in at least one of the bases of the device development, device design, and device manufacturing, the electronic data to the communication line Since it is configured to read through, there is an effect that the maintenance staff or the like can obtain the appropriate latest information when necessary. In addition, there is an effect that the design engineer of the manufacturing company can detect the adequacy of facility protection regarding the protection relay device to be installed by using the electronic data on the facility plan.

According to the present invention, since the electronic terminal selects a correction value table corresponding to a system condition from among a plurality of types of correction value tables, and changes the correction values of the plurality of protection relay devices, the correction value can be changed remotely. There is an effect to rationalize the maintenance fee.

In addition, if the system configuration changes, the correction value is automatically changed, whereby an incorrect setting by a human can be obtained. According to the present invention, an electronic terminal is installed at at least one of the bases of facility planning, control, maintenance, device development, device design, and device fabrication, while a protection relay device is installed in an electric station. Since the correction value of the protective relay device is configured through this communication line, it is possible to rationalize the maintenance and repair as a result of changing the correction value at a remote location.

According to the present invention, since a plurality of types of correction values tables are prepared for each protection relay device, a new correction value can be obtained by simply selecting the correction values table corresponding to the system configuration.

According to the present invention, since the storage device for storing the correction table is provided in the protection relay device, there is an effect that the electronic terminal does not need to secure the memory area for storing the correction table.

According to the present invention, since the storage device for storing the correction table is provided outside the protective relay device, there is an effect that the correction table of the plurality of protective relays can be collectively managed.

According to the present invention, a storage device for storing the correction table is provided inside and outside the protection relay, respectively, and when the communication line between the external storage device and the protection relay device is normal, the correction table stored in the external storage device. Is selected, and if the communication line is abnormal, the correction table stored in the internal storage device is selected. Thus, the correction table of the plurality of protection relay devices can be collectively managed and a communication error occurs. Even if an appropriate correction value table is selected, there is an effect.

According to the present invention, since the operation history stored in the storage device of the protective relay device is read out, the operation history can be reliably recorded without recording the operation history whenever the maintenance worker or the like performs any operation. At the same time, it is possible to quickly identify the cause by checking the operation history when an abnormality occurs.

According to the present invention, since the operation history stored in the recording apparatus is read out using a web browser, there is an effect that the electronic terminal does not need to secure a memory area for storing the operation history.

According to the present invention, since at least the date of change of the correction value, the subject of change, the correction value before the change and the correction value after the change are stored as the operation history, the effect of recognizing the history of the operation regarding the change of the correction value in detail There is.

According to the present invention, since the system status information contained in the plurality of protection relay devices is read through the communication line, and the system fault information is identified, the dedicated hardware for identifying the fault point is provided. Without this, an electronic terminal such as a personal computer can be used to identify the point of failure of the system.

In addition, there is an effect that the failure point of the system can be identified without stopping the relay plate.

According to the present invention, since the plurality of protection relays add the sampling time information to the system state information, the electronic terminal is configured to identify the fault points of the system by using the system state information at the same sampling time. There is an effect that can increase the degree of identification of advantages.

According to the present invention, since the plurality of protection relay devices are configured to consider the synchronization of the sampling time of the system state information with each other and to add the sampling time information to the system state information, the electronic terminal calculates the system state information at the same time. It is effective to identify the point of failure of the system.

According to the present invention, when the display of the screen prepared for the protection relay device is displayed, and the display of an arbitrary screen is selected from among a plurality of types of screens, a first display area for entering the display of the screen is newly entered. Since the second display area to display the screen is set to another area on the same screen, it is possible to grasp the entire configuration of the relay operation maintenance screen and to easily identify which screen is currently displayed. It can be effective.

In addition, by making the first display area resident on the screen, there is an effect that the operation of transition to another screen can be simplified.

According to the present invention, since the type of the display contents of the second display area is displayed on the first display area, it is possible to grasp the entire configuration of the relay operation maintenance screen and to determine which screen is currently displayed. There is an effect that can be easily identified.

According to the present invention, an electronic terminal is installed in at least one of the bases of facility planning, control, maintenance, device development, device design, and device manufacturing, and the electronic terminal collects electronic data stored in the protection relay device and displays the screen. Since it is configured to display the contents, it is possible to grasp the state of the protective relay device from a remote location.

According to the present invention, since the first display area is configured to be set on the left side of the second display area, the arrangement is similar to that of the information rearranging screen of many other information terminals, and as a result, operation of a convenient new function is naturally performed to the user. There is an effect that can be settled.

According to the present invention, since the display area of the second display area is set to be set wider than that of the first display area, there is an effect that the specific contents of the screen can be displayed in detail without impairing the operability of the transition operation of the screen. .

According to the present invention, since the third display area for displaying the type and status of the protection relay device is set in another area on the same screen as the first and second display areas, the protection relay currently in communication with the electronic terminal. As a result of recognizing the information on the device in detail, there is an effect that the maintenance of the protection relay device can be performed accurately and effectively.

According to the present invention, the third display area for displaying the state of the protective relay device, the electric name in which the protective relay device is installed, and the name of the protective relay device is in another area on the same screen as the first and second display areas. Since the present invention is configured to be set, it is possible to recognize in detail information on the protective relay device currently in communication with the electronic terminal. As a result, the maintenance of the protective relay device can be performed accurately and efficiently.

According to the present invention, since the third display area is configured to be set above or below the second display area, it is possible to display the information of the second display area and the information of the third display area relatively. There is.

According to the present invention, since the display area of the second display area is set to be wider than the display area of the third display area, there is an effect that the specific contents of the second display area can be displayed in detail.

According to the present invention, a first display mode for displaying a first display area and a second display area on the same screen, or a second display area for displaying a second display area without displaying the first display area. Since the display is configured to display a selection screen for selecting either of the display modes, the screen configuration respecting the user's intention can be set.

According to the present invention, since the display mode selected by the selection screen is stored and the next selection screen is configured to concentrate the display mode, there is an effect that the operation can be simplified.

According to the present invention, since the information on the display of the screen is accommodated in the protection relay device, the electronic terminal is configured to obtain information on the display of the screen from the protection relay device through the communication line. There is an effect that a memory area for storing information is not secured.

According to the present invention, the various screens displayed in the second display area include screens for introducing a change in the correction value of the protection relay device, and when the correction values are entered by the screens, the electronic terminal is protected relay. Since the correction value of the apparatus is configured, the correction value of the relay board can be changed on the screen displayed in the second display area.

According to the present invention, when a protective relay device is constructed by assembling a relay element corresponding to a system operation plan on a board, among the various relay elements, a relay element commonly used in a plurality of systems is assembled on a common board. On the other hand, the relay element selectively used in response to the system operation plan is configured to be assembled on a separate board, so that a protective relay device according to the system operation plan can be easily constructed.

According to the present invention, the software of the relay element mounted in the protective relay device is configured to be downloaded to the protective relay device through the communication line from the software receiving device in which the software of the relay element is stored. There is an effect that the software of the relay element required by the relay board after the plan change can be loaded without changing the software.

According to the present invention, if the system operation plan information is received at at least one of the bases of facility planning, control, maintenance, device development, device design, and device manufacturing, the software of the relay element required in response to the system operation plan information is provided. Since the software is configured to be downloaded to the protection relay device via a communication line, the software corresponding to the system operation planning information can be easily introduced.

According to the present invention, the system operation plan information generated at at least one of the bases of facility planning, control, maintenance, device development, device design, and device manufacturing is read out through a communication line at the design production point of the protection relay device. Since it is configured to, the software corresponding to the system operation planning information can be easily introduced.

According to the present invention, since the relay designation information is configured to be used as the system operation plan information, there is an effect that the relay board to be changed according to the plan change and the software of the relay element required by the relay board can be easily designated.

According to the present invention, since the software accommodating device is configured to be installed in at least one of the bases of facility planning, control, and maintenance, the software for the relay element can be easily managed.

According to the present invention, since the expansion of the input unit or the CPU unit is newly added in response to the system operation plan information, there is an effect that the system configuration according to the system operation plan can be easily constructed.

According to the present invention, since the electronic data in each protection relay device of the electronic terminal is displayed in parallel in different areas on the same screen, the system states of the plurality of electric stations and the states of the protection relay devices can be easily compared. There is an effect that can be easily recognized.

According to the present invention, since the electronic terminal is configured to display the electronic data of the other relay elements in the protection relay device in parallel in different areas on the same screen, the states of the plurality of protection relay devices can be easily compared, and the states thereof are easy. It has a recognizable effect.

According to the present invention, since the electronic terminal is configured to display the electronic data of the existing relay element in the protection relay device and the electronic data of the additional relay element in the protection relay device in parallel in different areas on the same screen, the system state and protection relay of the electric station. The states of the devices can be simply compared, including additional relay elements, and the effects thereof can be easily recognized.

According to the present invention, since the electronic terminal is configured to display the electronic data in the feeder protection relay device and the electronic data in the transformer protection relay device in parallel in different areas on the same screen, the state of the feeder protection relay device and the state of the transformer protection relay device There is an effect that can be compared easily, so that their state can be easily recognized.

According to the present invention, since the electronic data is displayed in parallel, at least one of the type of the relay and the type of the electric station is configured to be displayed in parallel, so that it is possible to confirm whether the state on the screen is the state of which relay device of which electric station. It works.

According to the present invention, since the method of displaying electronic data is configured to be different from the case where the corresponding protection control object is normal and the case that is not normal, the contents of the states of the relay devices displayed in parallel are not tracked and checked one by one, and the normal operation is not performed. If not, the effect can be seen at a glance.

According to the present invention, since the color of the electronic data or the screen displayed in parallel is configured to be different from the case where the corresponding protection control object is normal and not normal, the contents of the state of each relay device displayed in parallel are not checked one by one. It is effective to check the display when it is not normal.

According to the present invention, since the electronic data displayed in parallel is configured to be displayed in color priority when the corresponding protection control object is not normal, the contents of the state of each relay device displayed in parallel are not checked one by one. In addition, there is an effect of confirming the display when it is not normal at first glance.

According to the present invention, when each protection control object is normal, the corresponding electronic data is displayed in parallel, and when any one of the protection control objects is not normal, the electronic data is displayed in preference to the electronic data of the protection control object that is normal. Since it is configured to, it is possible to quickly check the contents of the electronic data when it is not normal.

According to the present invention, when at least one of the protection control target and the protection relay device is not normal, the corresponding electronic data is configured to be displayed in preference to the electronic data corresponding to the normal protection control target and the protection relay device. If not, there is an effect that can quickly check the contents of the electronic data.

According to the present invention, when at least one of the protection control object and the protection relay device is not normal, the corresponding electronic data is configured to be displayed on the initial screen of the electronic terminal. Therefore, the contents of the electronic data when the normality is not normal are quickly confirmed. It can be effective.

According to the present invention, since a plurality of relay elements constituting the protective relay device are individually unitized, and each of these united relay elements is individually connected to a hub, the addition and replacement of the relay element is In this case, only the corresponding relay element can be easily and at low cost.

According to the present invention, since the connection method between the relay element and the hub is a plug-in connection method, the addition and replacement of the relay element can be performed easily and in a short time.

According to the present invention, an additional connection terminal for adding a relay element is provided in the hub, and the additional connection terminal is configured to be connected to the electronic terminal in advance, so that the additional relay is merely connected to the additional connection terminal. There is an effect that the electronic data of the element is displayed on the screen of the electronic terminal.

According to the present invention, since the electronic data of the existing relay element and the idler data of the non-additional relay element are configured to be displayed in another area on the same screen of the electronic terminal, it is easy to judge whether the relay element is added or not. There is.

According to the present invention, since the photoelectric conversion device and the protection relay device and the photoelectric conversion device and the electronic terminal are housed with an electric signal, the photoelectric conversion device and the photoelectric conversion device are housed with an optical signal. Even if an abnormality occurs in the electrical signal transmission system of the protective relay device, the electrical signal of the protective relay device is transmitted through the photoelectric conversion device, thereby achieving a highly reliable power system protection control system.

According to the present invention, since the optical signal between the photoelectric conversion device and the photoelectric conversion device is configured to be a frequency multiplex signal, the transmission efficiency is more than doubled compared to continuous signal methods such as the conventional Internet and TCP / IP transmission methods, and thus the power system. The reliability of the protection control system is greatly improved.

According to the present invention, since the synchronization signal for synchronizing between the protection relay devices and the electronic data signal in the protection relay device are configured to have different frequencies between the photoelectric conversion device and the photoelectric conversion device, the conventional Internet and TCP / IP transmissions are performed. It is not necessary to mix and transmit the synchronous signal and the electronic data signal in the protection relay device among a series of continuous signals such as the method. Therefore, the signal processing is simplified, the reliability is improved, and the reliability of the power system protection control system can be realized. There is.

According to the present invention, since the normal data signal and the usual corresponding data signal are configured to have different frequencies between the photoelectric conversion device and the photoelectric conversion device, a series of continuous signals such as the conventional Internet and TCP / IP transmission methods are used. Compared to the method of mixing the usual data signal with the usual corresponding data signal, the transmission speed and the signal processing of the usual corresponding data signal are accelerated rapidly, and the power system protection that accelerates the abnormal detection process and the usual processing is accelerated. It is effective to realize the control system.

According to the present invention, each photoelectric conversion device is composed of an optical waveguide part and a photoelectric conversion part detachably mounted to the optical waveguide part. Therefore, when an electronic component fails, only the photoelectric conversion part needs to be replaced. During this process, signals from other protective relay devices, etc., which do not correspond to the corresponding photoelectric conversion units are transmitted to other places via the optical waveguide, thereby realizing a highly reliable power system protection control system that can minimize the effects of failure of electronic components. It can be effective.

According to the present invention, since the photoelectric conversion unit is composed of a plurality of photoelectric conversion elements corresponding to optical signals of different frequencies, the plurality of photoelectric conversion elements have a magnetic power source and are electrically insulated from each other. There is an effect that a power system protection control system capable of receiving signals of this potential, such as electronic data, synchronization signals, output signals of electronic terminals, and the like in the relay device, can be realized.

Claims (19)

An electronic terminal for acquiring system status information stored in the protective relay device using a protective relay device equipped with a web server and a web browser for establishing a connection through a communication line with a web server mounted on the protective relay device. Power system protection control system provided. The relay internal state stored in the protection relay device using the protection relay device equipped with the web server and the web browser for establishing a connection through a communication line with the web server mounted in the protection relay device. A power system protection control system having an electronic terminal for acquiring information and performing life diagnosis of the protection relay device in accordance with the relay internal state information. A circuit model for controlling the circuit breaker according to the circuit breaker operation command and outputting system phenomenon information indicating the control result, and a device model for performing the operation determination of the system model according to the system phenomenon information outputted by the system model. Power system protection control system. A plurality of protection relay devices respectively installed in a plurality of electric stations and storing system status information, and connected to the plurality of protection relay devices through a communication line, and acquire system status information from the plurality of protection relay devices. A power system protection control system having an electronic terminal for analyzing the system status information and displaying the result of the analysis. It is equipped with a plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protection relay devices and executing the software to acquire the electronic data to execute the plurality of protection relays. Power system protection control system having an electronic terminal for monitoring the device. Correction values of the plurality of protection relay devices are mounted by executing a plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protection relay devices and executing the software. A power system protection control system having an electronic terminal for changing the requirements. A plurality of protection relay devices respectively installed in a plurality of electric stations, and software for enabling access to electronic data stored in the plurality of protection relay devices, and executing the software to acquire the electronic data to execute the plurality of protection relay devices. The electronic terminal of the power supply base that monitors the protection relay device and software for enabling access to electronic data stored in the plurality of protection relay devices are executed and the software is executed to correct the values of the plurality of protection relay devices. A power system protection control system having an electronic terminal of a device providing side to be changed. The relay software of the plurality of protection relay devices is implemented by mounting a plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protection relay devices and executing the software. It is equipped with an electronic terminal of a device providing-side base to be set or updated, and software for enabling access to electronic data stored in the plurality of protective relay devices, and executing the software to acquire the electronic data to execute the plurality of protective relays. Power system protection control system equipped with an electronic terminal of the power supply base to monitor the device. The control relay is equipped with a CPU which controls the breaker based on the correction value stored in the storage device and records various operation history in the storage device and the operation history stored in the storage device of the protection relay device. Power system protection control system having an electronic terminal for reading the. A plurality of protective relay devices for storing the system status information within the monitoring range, and the system status information stored in the plurality of protective relay devices are read through communication lines, and the fault points of the system are identified from the system status information. A power system protection control system provided with an electronic terminal. A first display area which displays the type of screen prepared for the protection relay device and accepts the display of the screen, and a second screen which displays the screen when a display of any screen among a plurality of types of screens is connected. A power system protection control system having an electronic terminal set in another area on the same screen as the display area. When a protective relay device is constructed by embedding a relay element corresponding to a system operation plan on a board, relay elements commonly used in multiple systems among various relay elements are included in a screen system operation plan that is embedded on a common board. System for constructing a relay element to be selectively used accordingly. It is equipped with a plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to the electronic data stored in the plurality of protection relay devices, and by executing the software to obtain the electronic data to obtain the plurality of protection And an electronic terminal for displaying electronic data in the relay device on a screen, wherein the electronic terminal displays the electronic data in each protection relay device in parallel in different areas on the same screen. By mounting the software and executing the software to enable access to a plurality of protective relay devices respectively installed in the electric station and the electronic data stored in the protective relay device, the electronic data can be acquired to collect the electronic data in the protective relay device. And an electronic terminal for displaying on a screen, wherein the electronic terminal displays electronic data of other relay elements in the protection relay device in parallel in different areas on the same screen. By mounting the software and executing the software to enable access to the protection relay devices respectively installed in the electrical station and the electronic data stored in the protection relay device, the electronic data can be acquired to display the electronic data in the protection relay device. And an electronic terminal for displaying the electronic data of an existing relay element in the protective relay device and the electronic data of an additional relay element in the protective relay device in parallel in another area on the same screen. Power system protection control system. A filter protection relay device installed at each electric station, a transformer protection relay device installed at the electric station, and software for enabling access to the electronic data stored in each of the protection relay devices, and executing the software. And an electronic terminal for acquiring data and displaying electronic data in the plurality of protective relay devices on the screen, wherein the electronic terminal displays the electronic data in the filter protective relay device and the electronic data in the transformer protective relay device on the same screen. Power system protection control system characterized in that to display in parallel. A plurality of protective relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protective relay devices, and the software is executed to acquire the electronic data and An electronic terminal for displaying the electronic data in the protective relay device on the screen, and when at least one of the object to be controlled and the protective relay device is not normal, the electronic terminal sends the corresponding electronic data to the normal protective control desk and the protective relay device. A power system protection control system, characterized in that the display is given priority to the corresponding electronic data. A plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protection relay devices are mounted, and the software is executed to acquire the electronic data via a hub. And an electronic terminal for displaying electronic data in the plurality of protective relay devices on a screen, and a plurality of relay elements constituting the protective relay device are individually connected to the hub. A plurality of protection relay devices respectively installed in a plurality of electric stations and software for enabling access to electronic data stored in the plurality of protection relay devices, and by executing the software, the electronic data is acquired to execute the plurality of protection relay devices. A screen having a photoelectric conversion device connected to an electronic terminal for displaying electronic data in the protective relay device on a screen, wherein the screen receives an electrical signal between the photoelectric conversion device and the protective relay device and between the photoelectric conversion device and the electronic terminal; And a photoelectric conversion device and the photoelectric conversion device as an optical signal.