JPH11191927A - Power system monitoring controller and record medium in which program for operating the controller is recorded - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use in common computers which are connected to the communication lines of an internet, an intranet, etc., utilize resources such as system states, etc., which are owned by a computer located in a control station. SOLUTION: A power system monitoring controller has a monitor control I/O means 12 which receives on/off information data (binary data) of system apparatuses of which a power system is composed and outputs control signals to system apparatuses, a system state display means 14 which displays the received system states on a CRT screen and a control requesting means 16 which request control for switching the states of the system apparatuses. Furthermore, a device consisting of a system state HTML editing means 17 by which the system states received by the monitoring control I/O means 12 are edited into system state HTLM data and a transmitting means 19, through which the system state HTLM data edited by the system state HTLM data editing means 17 are transmitted is provided, and a server device is connected to a plurality of other general-purpose browser devices (m) via the communication lines.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power system monitoring and control device comprising a server device connected to a communication line such as the Internet or an intranet and a plurality of general-purpose browser devices. The present invention relates to a power system monitoring and control device capable of mutually monitoring and controlling a power system, and a recording medium storing a program for executing the device.

[0002]

2. Description of the Related Art When monitoring and controlling a power system, a power system monitoring and control device installed in a control station is used to monitor and control the power system in the area under the jurisdiction of the control station.
Hereinafter, a conventional power system monitoring and control device will be described with reference to FIG. The system state of the power system 10 is captured by the monitoring control input / output unit 12 via the transmission line 11 and stored in the system state storage area 13. This is displayed and output on the CRT screen 15 by the system status display means 14.

Further, a control request is made by the control request means 16 to the system equipment of the designated power system 10 using the CRT screen 15. A control request to the system device is output from the control request unit 16 via the monitoring control input / output unit 12 and the transmission line 11.

FIG. 20 shows a CR that indicates the state of the power system.
In the figure showing an example of the T screen, reference numerals 1401 to 1404 and 1411 to 1422 show the open / closed states of system devices such as circuit breakers and disconnectors constituting the power system, and the open / closed states are shown by changing colors. As an example, a closed state is displayed in red, and an open state is displayed in green. 1431
1431432 indicates the power flow value of the transmission line, and 1433-1434 indicate the voltage value of the bus.

[0005]

In the above-mentioned conventional power system monitoring and control device, since the system performs centralized monitoring and control of the system status via the CRT screen of the power system monitoring and control device installed in the control center, In some cases, it is necessary to control the system equipment while communicating with the site where the system equipment is installed as necessary.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and resources such as a system state held by a computer installed in a control center are shared by a computer device connected to a communication line. It is an object of the present invention to provide a power system monitoring and control device which enables monitoring and control of a system state, and a recording medium on which a program for executing the device is recorded.

[0007]

According to a first aspect of the present invention, there is provided an electric power system monitoring and controlling apparatus for acquiring a system state from system equipment constituting an electric power system and for inputting and outputting a control signal to the system equipment. A power system monitoring and control device, comprising: a monitoring control input / output means for performing, a system status display means for displaying a captured system state on a CRT screen, and a control request means for performing a control request for switching a state of system equipment. The system status captured by the monitoring control input / output means is referred to as a system status H.
System status HTML editing means for editing into TML data;
A transmission unit for transmitting the system state HTML data edited by the system state HTML editing unit; and connecting the server device to a plurality of other general-purpose browser devices via a communication line. Therefore, in the power system monitoring and control device connected to the communication line,
The status or numerical information of the system equipment can be monitored by a general-purpose browser device.

According to a second aspect of the present invention, in the power system monitoring and controlling apparatus according to the first aspect, the server device includes control request information receiving means for receiving system device control information from a general-purpose browser device. The general-purpose browser device is provided with a control request information transmitting means for making a system device control request to the server device. Therefore, in the power system monitoring and control device connected to the communication line, the state of the system device can be monitored and controlled or numerical information can be monitored by the general-purpose browser device.

According to a third aspect of the present invention, in the power system monitoring and control apparatus according to the second aspect, the server apparatus CR
A control request matching management unit that compares a system device control request from the T screen with a system device control request from a general-purpose browser device via a control request information receiving unit, and issues a control request only when each control request matches. Equipped. Therefore, in the power system monitoring and control device connected to the communication line and configured as described above, the state of the system device is controlled only when the operations of the operators on the server device side and the general-purpose browser device side match. be able to.

[0010] The power system monitoring and control apparatus according to claim 4 of the present invention is the control system according to claim 2, wherein the control request permission for permitting or prohibiting the system appliance control request from each general-purpose browser apparatus for each general-purpose browser apparatus. Equipped with management means. Therefore, in the power system monitoring and control device connected to the communication line and configured as described above, the state of the system device can be controlled only from the general-purpose browser device permitted by the server device or only from the server device. .

[0011] In the power system monitoring and control apparatus according to claim 5 of the present invention, in claim 2, the server apparatus permits or prohibits a system apparatus control request from each general-purpose browser apparatus for each system apparatus. Control device management means for each system device. Therefore, in the power system monitoring and control device connected to the communication line, the state of the system device can be controlled only from the general-purpose browser device permitted for each system device from the server device side or only from the server device. .

In the power system monitoring and control apparatus according to claim 6 of the present invention, in claim 2, a system device control request from each general-purpose browser device is permitted or prohibited by specifying a time zone by a server device. A time-based control request permission management means is provided. Therefore, in the power system monitoring and control device connected to the communication line, the state of the system device can be controlled only from the general-purpose browser device permitted by the server device by specifying the time zone.

[0013] In the power system monitoring and controlling apparatus according to claim 7 of the present invention, when the control request information is received from the general-purpose browser apparatus via the communication line, the control request information is transmitted. A means for printing on a printer or displaying the history on a display device is provided. Therefore, the system device control request information can be visually checked.

The recording medium according to claim 8 of the present invention is:
A monitoring control input / output function (hereinafter, referred to as a “control function”) that captures ON / OFF information (binary information) of a system device constituting a power system and a state quantity (numerical information) from the power system and inputs and outputs a control signal to the system device (A binary device and numerical information are called a system status.)
A program for realizing a power system monitoring and control device having a system status display function of displaying a captured system status on a display screen, and a control request function of making a control request for switching the status of system devices A system status HTML editing function for editing a system status captured by the monitoring control input / output function into system status HTML data, and a system status HTML data edited by the system status HTML editing function. (Hereinafter, these devices are referred to as server devices).
And a computer-readable recording medium storing a program for connecting the server device to a plurality of other general-purpose browser devices via a communication line.

The recording medium according to claim 9 of the present invention is:
In claim 8, the server device has a control request information receiving function of receiving system device control information from the general-purpose browser device, and the general browser device has control request information for making a system device control request to the server device. A computer-readable recording medium having a transmission function.

[0016]

FIG. 1 is a block diagram showing a first embodiment of the present invention. The same parts as those in FIG. 19 are denoted by the same reference numerals and description thereof will be omitted, and different parts will be described here. In FIG. 1, the system status HTML (Hype
r Text Markup Language (hereinafter abbreviated as HTML) Editing means 17 refers to the system status storage area 13 and
Generate L18.

The system status HTML 18 is distributed by a transmission means 19 (known function) to a general-purpose browser device connected to a communication line 20. The distributed system state HTML is referred to on the CRT screen 22 by the receiving means 21 (known function) of the general-purpose browser device. The communication line 20 is connected to another general-purpose browser device m and a CRT screen.

FIG. 2 shows a configuration diagram of the system status storage area.
In the figure, this storage area has a binary information storage area and a numerical information storage area. In the binary information storage area, the areas of system equipment states 1 to n and the operation of the equipment corresponding to each of the above areas are shown. And an area 201 indicating a state (for example, an open state “0” and a closed state “1”).

In the numerical information storage area, the numerical information storage areas 1 to n and the storage areas 20 for binary data such as voltage values or power flow values corresponding to the respective areas.
2

FIG. 3 is a diagram showing an example of the configuration of the system state HTML (text data) 18. As an example of the system state HTML, an FO corresponding to a circuit breaker or a switch symbol is used.
Display NTSIZE and COLOR with color code 221;
As an example of HTML of numerical information, FONT SIZE and COLOR are displayed in color codes corresponding to the numerical information 222.

FIG. 4 shows an example of the structure of control request information from the browser device. As shown in FIG. 4, a communication protocol control code section (header) indicated by 401, a general-purpose browser device identification number, and a system device indicated by 402 A number and system equipment status request information indicated by 403.

The communication protocol control code section is a communication protocol control code used when a general-purpose browser device requests a server device to control a system device, and the general-purpose browser device identification number is a general-purpose browser device control number that requests a system device control request. Stores the identification number of the browser device itself.

The system device number stores the number of a system device that issues a control request from the general-purpose browser device to the server device. This number is a series of numbers assigned to the system equipment in advance. The system device status request information indicates the direction of a control request for the system device specified by the system device number,
For example, “0” makes a request for closing → opening, and “1” makes a request for opening → closing.

Next, the operation of the system state HTML editing means 17 of the power system monitoring and control device having the above configuration will be described. In step S211 of the system status HTML editing means flow 17 in FIG. 5, binary information 201 of the i-th system device (hereinafter, referred to as system device i) in the system status storage area 13 (FIG. 2)
If the status here is closed, the color code 221 of the symbol (black circle or black square) of the system status HTML18 corresponding to the system device i is changed to red (# FF0) in step S212.
000).

If the status is open, the color code 221 of the symbol of the system status HTML18 corresponding to the system device i is rewritten to green (# 00FF00) in step S213. This is repeated in step S214 for the number of devices included in the system status HTML18. Regarding the numerical information 222 in the system status HTML 18, the value of the k-th numerical information 202 in the corresponding system status storage area 13 is converted into a character (text) and rewritten. These are performed at any time or at regular intervals.

According to the present embodiment, the Internet
In the power system monitoring and control device configured as described above connected to a communication line such as a power intranet, the state of system devices or numerical information is obtained by a general-purpose browser device installed at a location away from the control center. Can be monitored.

FIG. 6 is a configuration diagram showing the second embodiment. 6, the same components as those in FIG. 1 are denoted by the same reference numerals, and the description thereof will be omitted. Here, different components will be described. In the present embodiment, the newly added one is a control request information receiving means 24 on the server device side,
The control request information transmitting means 23 is provided on the general-purpose browser device side. In FIG. 6, the control request information receiving means of the server device
24 passes the system device control request from the control request information transmitting means 23 of the general-purpose browser device to the control request means 16 of the server device.

Next, the operation of the control request information receiving means 24 of the above-configured power system monitoring and control device will be described with reference to the block diagram of the system device control request information from the general-purpose browser device in FIG. The header information 401, the system device number 402, and the system device status request information 403 in FIG. 4 are sent from a general-purpose browser device.

The control request information receiving means 24 transfers the system device number 402 and the system device control request information 403 excluding the header information 401 in FIG. The header information includes information indicating whether the system device control request information from the general-purpose browser device is valid in the server device, and information for identifying the number of the general-purpose browser device in the server device.

According to the present embodiment, the Internet
In the power system monitoring and control device configured as described above connected to a communication line such as a power intranet, the status of system devices is monitored and controlled by a general-purpose browser device installed at a location away from the control center, Alternatively, numerical information can be monitored.

FIG. 7 is a block diagram showing the third embodiment. 7, the same parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. What is newly added in the present embodiment is a control request matching management means only for the server device side.
25 and a control request coincidence management area 26.

The control request matching management means of the server device
25 stores and compares the system device control request of the server device and the system device control request of the general-purpose browser device in the control request matching management area 26, and when these requests match, the system device control request is monitored by the server device. It is passed to the control input / output means 12.

FIG. 8 is a diagram showing the configuration of the control request coincidence management area 26. As shown in FIG. 8, the presence / absence of a control request from the server device and the control request information and the control from the browser device are provided for each of the system devices 1 to n. There is a request existence and control request information. These pieces of information are stored as "1" if there is a request, "0" if there is no request, "1" if a request is closed, "0" if an open request, and the like.

Next, with regard to the operation of the control request matching management means 25 of the power system monitoring and control device configured as described above, an example of a table for managing the matching of the system device control request between the server device and the general-purpose browser device in FIG. This will be described with reference to the processing flow of FIG.

In step S621 of the control request coincidence management means flow 25 in FIG. 9, it is determined whether the control request of the system device i is from the server device or the general-purpose browser device. As a result, if the request is from the server device, the control request presence / absence 601 of the control request coincidence management area 26 corresponding to the system device i is determined in step S622, and the control request presence / absence 603 and control request information 60 are determined in step S623.
Set 4.

Thereafter, in step S624, the system device i
Are checked from both the server device and the general-purpose browser device, and whether the system device control request information matches, and if they match, in step S625, 601, 602, and Each information of 603 and 604 is cleared to 0 and passed to the monitoring control input / output means 12.

According to the present embodiment, the Internet
In the power system monitoring and control device configured as described above, which is connected to a communication line such as a power intranet, the state of the system device is controlled only when the operations of the server device and the operation of the general-purpose browser device match. Therefore, occurrence of erroneous control can be reduced.

FIG. 10 is a configuration diagram showing a fourth embodiment. 10, the same parts as those in FIG. 6 are denoted by the same reference numerals, and the description will be omitted. What is newly added in the present embodiment is a control request permission management means 27 and a control request permission management area 28. In this example, the control request permission management means 27 of the server device passes only the system device control request from the general-purpose browser device permitted from the CRT screen 15 to the control request means 16.

FIG. 11 is a configuration diagram of the control request permission management area 28. In the control request permission management area 28, each of the browser devices 1 to
An area 801 for storing controllability is provided for each m. For example, “1” is described if control is permitted, and “0” is described if control is prohibited.

Next, with regard to the operation of the control request permission management means 27 of the power system monitoring and control device configured as described above, an example of a table for permitting and managing the system device control request from the general-purpose browser device of FIG. 10 and the processing flow of FIG. This will be described below.

When the system device control request from the browser device j is received in step S821 of the control request permission management means flow 27 in FIG. 12, it is controlled whether or not the system device control request from the browser device j is permitted. Request permission management area 28
The determination is made with reference to the control availability information 801 of the browser apparatus j. As a result, if the control is permitted, step S822
Passes the control request information of the system device i to the control request means 16. The control request permission management area 28 is rewritten from the CRT screen 15.

According to this embodiment, the Internet
In the power system monitoring and control device configured as described above connected to a communication line such as a power intranet, only a system device control request from a general-purpose browser device permitted in advance can be received and controlled, Security management becomes possible.

FIG. 13 is a block diagram showing a fifth embodiment. 13, parts that are the same as those shown in FIG. 6 are given the same reference numerals, and descriptions thereof will be omitted. What is newly added in the present embodiment is a system device control right management means 29 and a system device control right management area 30.

The system device control right management means 29 of the server device refers to a system device control right management area 30 in which permission / prohibition of control from the browser device is defined for each system device. Only the system device control request from the general-purpose browser device permitted for each device is passed to the control request means 16.

FIG. 14 shows an example of the configuration of the control right management area 30 for each system device. The control right management area 30 for each system device includes each system device 1
There is an area for storing information indicating which of the browsers 1 to n has permitted control for each of the browsers 1 to n. For example, “1” is described for control permission and “0” for control prohibition.

Next, the operation of the control right management means 29 for each system device of the electric power system monitoring and control apparatus thus constructed will be described with reference to FIG.
The processing flow will be described. Step S1011 of the control right management unit flow 29 for each system device in FIG.
Is determined by referring to the control permission 1001 from the browser j in the system-device-specific control right management area 30 as to whether or not the control request of the system device i is permitted. As a result, if permitted, the control request information of the system device i from the server device j is passed to the control request means 16 in step S1012.

According to the present embodiment, the Internet
In the power system monitoring and control device configured as described above connected to a communication line such as a power intranet, control can be performed by receiving only a control request from a browser device previously permitted for each system device. In addition, security management and setting of the control right of the general-purpose browser device for each system device or system device area can be performed.

FIG. 16 is a configuration diagram showing the sixth embodiment. In FIG. 16, the same parts as those in FIG. What is newly added in this embodiment is a time-based control request permission management means 31 and a time-based control request permission management area 32. Then, the time-zone-based control request permission management means 31 of the server device passes to the control request means 16 only the system appliance control request from the general-purpose browser device permitted by the time zone designation from the CRT screen 15.

FIG. 17 is a configuration diagram of the time-based control request permission management area 32. This area stores the start and end times of the controllable time for each of the browser devices 1 to n. This indicates hours, minutes, and seconds in one byte consisting of HHMMSS00.

Next, the operation of the control request permission management means 31 for each time zone of the electric power system monitoring and control device configured as described above will be described.
This will be described with reference to the processing flow of FIG. When the system device control request from the browser device j is received in step S1221 of the time-based control request permission management means flow 31 in FIG. 18, it is determined whether the control request from the browser device j is permitted at the current time. The determination is made with reference to the controllable time 1201 of the browser apparatus j in the time-zone-specific control request permission management area 32. As a result, if the control is permitted, step S1222
Passes the control request information of the system device i to the control request means 16. As a result, the hourly control request permission management area 32 has the CR
Rewritten from the T screen 15.

According to the present embodiment, the Internet
In the power system monitoring and control device configured as described above, which is connected to a communication line such as a power intranet, only a system device control request from a general-purpose browser device permitted in advance at a designated time is received and controlled. In the nighttime, operations such as automatically prohibiting operation requests from the site can be performed.

The seventh embodiment is an output mode when the server device receives a system device control request. That is, according to the above-described embodiments, when a system device control request is received from a general-purpose browser device via a communication line such as the Internet or an intranet, the output operation is restricted to a predetermined limit (operation output according to the control request is possible. Or limit the operation time, etc.), but the present invention is not limited to this, and the control request information is to be printed as a history on a printer or displayed on a display device. It is. According to the present embodiment, the system device control request information can be viewed and stored.

[Claim 8] is a recording medium on which a power system monitoring control program for causing the features of [Claim 1] to function is recorded, and [Claim 9] is a recording medium having the features of [Claim 2]. That is to make it happen. By reading the program recorded on the medium into a computer and executing the program, it is possible to realize a power system monitoring and control device having the effects described in [claim 1] and [claim 2].

[0054]

As described above, according to the present invention, the status or numerical information of system equipment can be monitored by a general-purpose browser installed at a place remote from a control center, such as a system equipment site.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a first embodiment of a power system monitoring and control device according to the present invention.

FIG. 2 is a configuration example diagram of a system status storage area in FIG. 1;

FIG. 3 is a diagram showing a configuration example of system status HTML (text data) in FIG. 1;

FIG. 4 is a configuration example diagram of system device control request information from a general-purpose browser device.

FIG. 5 is a flowchart showing the processing contents of a system state HTML editing means in FIG. 1;

FIG. 6 is a configuration diagram showing a second embodiment of the power system monitoring and control device according to the present invention.

FIG. 7 is a configuration diagram showing a third embodiment of the power system monitoring and control apparatus according to the present invention.

FIG. 8 is a diagram showing a configuration example of a control request coincidence management area in FIG. 7;

FIG. 9 is a flowchart showing the processing contents of a control request match management unit in FIG. 7;

FIG. 10 is a configuration diagram showing a fourth embodiment of the power system monitoring and control device according to the present invention.

11 is a diagram illustrating a configuration example of a control request permission management area in FIG. 10;

FIG. 12 is a flowchart showing processing contents of a control request permission management unit of FIG. 10;

FIG. 13 is a configuration diagram showing a fifth embodiment of the power system monitoring and control apparatus according to the present invention.

14 is a diagram illustrating a configuration example of a control right management area for each system device in FIG. 13;

FIG. 15 is a flowchart showing the processing contents of a system device control right management unit of FIG. 13;

FIG. 16 is a configuration diagram showing a sixth embodiment of the power system monitoring / controlling device according to the present invention.

17 is a diagram illustrating a configuration example of a time-zone-specific control request permission management area in FIG. 16;

FIG. 18 is a flowchart showing the processing contents of a control request permission management means for each time zone in FIG. 16;

FIG. 19 is a configuration diagram of a conventional power system monitoring and control device.

FIG. 20 is a display example of a conventional CRT screen.

[Explanation of symbols]

 10 Power system 11 Transmission line 12 Monitoring control input / output means 13 System status storage area 14 System status display means 15 CRT screen 16 Control request means 17 System status HTML editing means 18 System status HTML 19 Transmission means 20 Internet / intranet (communication line) 21 Receiving means of general-purpose browser device 22 CRT screen of general-purpose browser device 23 Control request information transmitting means of general-purpose browser device 24 Control request information receiving means 25 Control request match management means 26 Control request match management area 27 Control request permission management means 28 Control Request permission management area 29 Control right management means for each system device 30 Control right management area for each system device 31 Control request permission management means by time zone 32 Control request permission management area by time zone

Continued on the front page (72) Inventor Masami Okuda 1 Toshiba-cho, Fuchu-shi, Tokyo Inside the Toshiba Fuchu Plant Co., Ltd. (72) Inventor Eiichi Toyama 1-Toshiba-cho, Fuchu-shi Tokyo

Claims (9)

[Claims] 1. A monitoring control input for taking on / off information (binary information) of system equipment constituting a power system, a state quantity (numerical information) from the power system, and inputting / outputting a control signal to the system equipment. Output means (hereinafter, the binary device and numerical information are referred to as system status), system status display means for displaying the acquired system status on a CRT screen, and a control request for performing a control request for switching the status of the system equipment Power system monitoring and control device, comprising: a system status HTML editing means for editing a system status captured by the monitoring control input / output means into system status HTML data;
A transmission unit for transmitting the system status HTML data edited by the editing unit (hereinafter, these devices are referred to as server devices), and the server device is connected to another plurality of general-purpose browser devices via a communication line. And a power system monitoring and control device connected to the power system. 2. The power system monitoring and control device according to claim 1, wherein the server device has control request information receiving means for receiving system device control information from the general-purpose browser device, and the general-purpose browser device has a control request information receiving unit. A power system monitoring and control device, comprising: a control request information transmitting means for making a system device control request. 3. The power system monitoring and control device according to claim 2, wherein the system device control request from the server device side CRT screen is compared with the system device control request from the general-purpose browser device via the control request information receiving means. And a control request matching management means for issuing a control request only when each control request matches. 4. The power system monitoring and control device according to claim 2, further comprising control request permission management means for permitting or prohibiting a system device control request from each general-purpose browser device for each general-purpose browser device. Power system monitoring and control device. 5. The power system monitoring and control device according to claim 2, wherein the server device includes, for each system device, system device control right management means for permitting or prohibiting a system device control request from each general-purpose browser device. A power system monitoring and control device, characterized in that: 6. The power system monitoring and control device according to claim 2, further comprising a time zone control request permission management means for permitting or prohibiting a system device control request from each general-purpose browser device according to a time zone designation by the server device. A power system monitoring and control device, characterized in that: 7. The power system monitoring and control device according to claim 2, wherein when the system device control request information is received from a general-purpose browser device via a communication line, the control request information is recorded as a history on a printer or on a display device. A power system monitoring and control device comprising a display unit. 8. A monitoring control input for taking on / off information (binary information) of system equipment constituting a power system, a state quantity (numerical information) from the power system, and inputting / outputting a control signal to the system equipment. An output function (hereinafter, a binary device and numerical information are referred to as a system state), a system state display function of displaying the acquired system state on a display screen, and a control request for performing a control request for switching the state of the system equipment And a program for realizing a power system monitoring and control apparatus, wherein the system state HTML editing for editing the system state captured by the monitoring control input / output function into system state HTML data. A device having a function and a transmission function of transmitting system status HTML data edited by the system status HTML editing function (hereinafter, these devices are referred to as server devices), A computer-readable recording medium recording a program for connecting the server device to a plurality of other general-purpose browser devices via a communication line. 9. A recording medium on which a program for realizing the power system monitoring and control device according to claim 8 is recorded, wherein the server device receives control request information for receiving system device control information from a general-purpose browser device. A computer-readable recording medium having a function, wherein the general-purpose browser device has a control request information transmitting function of making a system device control request to a server device.