JP2002034152A - Substation facility managing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce work to match individual devices, one-line diagrams, protection interlock, and operation interlock. SOLUTION: Based on the results of search obtained by issuing searching commands to searching portions 6b, the design data D1 on the one-line diagrams previously held, the design data D2 on the protective interlock, and the design data D3 on the operation interlock; an actual device data creating portion 8a writes the information specific to the individual devices in the results of search in the appropriate regions in the design data D1 to D3. The actual device data creating portion 8a thereby creates one-line diagrams with information specific to the individual devices written therein and actual device data for protection interlock and operation interlock and outputs the results.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substation equipment management apparatus integrally provided in a substation equipment monitoring and control apparatus, and more particularly to a method for connecting each equipment with a single-line diagram, protection interlocking and operation interlocking. The present invention relates to a substation facility management device that can reduce the time and effort of matching operations.

[0002]

2. Description of the Related Art Generally, a substation is located at a key location in an electric power system and exists as a group of equipment for performing voltage transformation and concentration or distribution of electric power. Such equipment includes, for example, a main switchboard, a transformer, a rectifier, and a closed switchboard. Above all, the main switchboard has a function to monitor and control each device such as disconnectors, circuit breakers, transformers, and transformers that constitute the substation via LAN and controllers built into various facilities. It is the central facility of the substation.

[0003] This type of main switchboard is constructed so as to meet conditions such as a single-line diagram, protection interlocking and operation interlocking for each device to be monitored and controlled. Note that the monitoring control conditions such as the single-line diagram, the protection interlock, and the operation interlock are designed in advance by a human system at the factory from the initial stage.

[0004] In addition, a technician is dispatched for remodeling of the main switchboard at the time of updating or adding equipment, and is remodeled during the process. This modification includes a change in monitoring control conditions such as the above-described single-line diagram, protection interlocking, and operation interlocking.

[0005]

As described above, in the conventional substation equipment, each device is monitored or controlled according to monitoring control conditions such as a single-line diagram, protection interlock, and operation interlock. In addition, when updating or adding equipment, a change is made in a single-line diagram, protection interlock, and operation interlock.

[0006] This means that when each device of the substation equipment is managed, it is necessary to match each device with a single-line diagram, protection interlock, operation interlock, and the like. However, this matching operation may require considerable effort.

The present invention has been made in view of the above circumstances, and provides a substation equipment management apparatus capable of reducing the work of matching each device with a single-line diagram, protection interlocking, and operation interlocking. The purpose is to:

[0008]

SUMMARY OF THE INVENTION The present invention is a substation equipment management apparatus for managing at least various equipment as a transformer, a rectifier, and a closed switchboard in a substation, wherein the equipment is disposed in the various equipment. At least disconnectors, circuit breakers, transformers, and transformers that constitute the main circuit of the substation, a plurality of devices in which device-specific information including ratings, types, and device numbers of devices belonging to the various facilities are stored. Device information storage means, a plurality of search means provided for each of the device information storage means, searching for the device information storage means in response to an input search command, and sending a search result; Based on the search result obtained by sending the command and the design data of the single-line diagram, the design data of the protection interlock, and the design data of the operation interlock held in advance, the corresponding area in the respective design data is A real device data creating means for creating a single-line diagram in which the device individual information is entered, creating the actual device data of protection interlocking and operation interlocking by filling in the device individual information of the search result, and outputting the created result And a substation equipment management device comprising:

[0009] Further, when the storage contents of the corresponding device information storage means are additionally changed according to the update or addition of each of the devices, the actual device data creating means is configured to perform the following based on the added and changed storage contents. The real device data of the single-line diagram, the protection-linked real device data, and / or the operation-linked real device data may be revised.

Further, the present invention provides a calculation procedure storing means for storing a calculation procedure for calculating the protection coordination characteristic of the main circuit, and at least a short circuit current value used for calculating the protection coordination characteristic. Numerical value input means, and when the storage contents of the corresponding device information storage means are added or changed with the update or expansion of each device, the added or changed storage contents, the short-circuit current value input from the numerical value input means And protection coordination calculation means for calculating protection coordination characteristics of the main circuit based on the contents stored in the calculation procedure storage means and outputting a calculation result.

(Operation) Therefore, according to the present invention, by taking the above-described means, the actual device data creating means sends a search command obtained by sending a search command to each of the search means, and the single-line data stored in advance. Based on the connection diagram design data, the protection interlocking design data, and the operation interlocking design data, the device individual information of the search result was entered in the corresponding area in each design data, thereby completing the device individual information. Single line connection diagram,
Create the actual device data for protection interlocking and operation interlocking,
Since the creation result is output, it is possible to reduce the work of matching each device with a single-line diagram, protection interlock, operation interlock, and the like.

[0012] The real device data creating means may be configured to store the real device data in a single-line diagram and the protection-linked real device based on the storage contents of the device information storage device added or changed as each device is updated or added. Since the data and / or the actual device data of the operation interlock are revised, in addition to the above-described operation, when updating or adding each device, the trouble of revising the single-line diagram, the protection interlock, and / or the operation interlock is required. Can be reduced.

In addition, the protection coordination calculating means stores the contents of the equipment information storing means, the short-circuit current value inputted from the numerical value input means, and the storing of the calculating procedure storing means in accordance with the updating or adding of each equipment. Based on the content, the protection coordination characteristic of the main circuit is calculated and the calculation result is output, so that in addition to the above-described operation, when updating or adding each device, the trouble of calculating the protection coordination characteristic can be reduced. it can.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a schematic diagram showing a substation equipment management apparatus and its peripheral configuration according to a first embodiment of the present invention. This substation equipment management device is arranged on the side of each equipment (power receiving equipment 1, transformer 2, rectifier 3, closed switchboard 4, other equipment 5) having each equipment (disconnector, circuit breaker, transformer, etc.). A plurality of controllers 6 are integrated into a monitoring control device connected to a personal computer 8 (hereinafter, referred to as a personal computer) disposed on the operation side (monitoring control room or the like) via a local LAN 7 and realized. Have been.

The personal computer 8 is an example of a computer, and is not limited to a so-called personal computer.
It has the function of the substation equipment management device according to the present invention. Similarly, each controller 6 is a monitor and control device that has a monitoring function of digitizing a status signal of each device and sending it to the personal computer 8 and a control function of controlling each device based on a command from the personal computer 8. In addition to the functions, the substation equipment management device according to the present invention is provided with the functions.

Specifically, the substation equipment management apparatus includes a memory unit 6a built in each controller 6, a search unit 6b built in each controller 6 with the memory unit 6a as a read / write target, and a personal computer. 8 has an actual device data creation unit 8a as a processing function (a program and its execution function) added to FIG.

Here, the memory section 6a has its own controller 6 among at least disconnecting devices, circuit breakers, transformers (not shown), and transformers constituting the main circuit of the substation.
Is stored for each design temporary number, including device ratings, specifications, types, manufacturing dates, and device numbers.

Before the device individual information is stored in the memory unit 6a, the device individual information is attached to each device as a device readable storage medium such as a bar code, and the device information such as a bar code reader is read from the storage medium. The data is read by the input device, input to the search unit 6b, written from the search unit 6b to the memory unit 6a, and stored.

The search section 6b is provided in each memory section 6a, and writes device individual information previously input from a device information input device (not shown) such as a bar code reader by an operation of the operator into the memory section 6a. The memory section 6a is searched in accordance with a write function and a search command input by designating a design temporary number, and device individual information corresponding to the design temporary number is transmitted to the personal computer 8 to the LAN 7 as a search result. Read function.

The actual device data creating section 8a includes a search section 6b.
Of the design data D1 to D3 based on the search result obtained by sending the search command to the design data D1, the design data D2 of the protection interlock, and the design data D3 of the operation interlock, which are stored in advance. By writing the device-specific information of the search results in the area near the design temporary number, the device-specific single-line diagram with the device-specific information entered, protection-linked and operation-linked real device data is created, and the created result is created. Has a function to output.

Here, the design data D1 of the single-line connection diagram is
As shown in an example in FIG. 2, in a single-line diagram, a temporary design number indicating the device is provided near the symbol (graphic symbol) of each device. The provisional design number is a portion indicated by alphanumeric characters or numerals in FIG.
1, 89-1, SR-TR1, SR2, etc., which are not overlapped with each other.

Similarly, the protection interlocking design data D2 is, as shown in FIG. 3, an example of a design temporary number (eg, “(cause of failure or operation relay)” indicating each device in the protection interlocking condition table. 51R, 50R,..., 4 in the “display by 30” column
7, and 152R, 252R,
, 452F).

Although not shown, the operation-linked design data D3 also has an area of design temporary number indicating each device in the table of the operation-linked condition. That is, single-line diagram, design data D1 to D for protection interlock and operation interlock
3 has a provisional design number indicating each device,
In other words, the design temporary number of each device can be specified based on each design data D1 to D3.

Next, the operation of the substation equipment management apparatus configured as described above will be described. Now, it is assumed that the memory unit 6a has previously stored the device individual information read from the barcode of each device by the operation of the barcode reader by the operator who has visited the installation location of each device.
On the other hand, when the design data D1 to D3 of the single-line connection diagram, the protection interlocking and the operation interlocking are designated by the operator, the personal computer 8 in the monitoring and control room operates the design temporary data included in the respective design data D1 to D3. A search command is created by designating a number, and the search command is sent to the LAN 7 to each search unit 6b.

Each search unit 6b searches the memory unit 6a in response to a search command input from the LAN 7, and sends the search result to the personal computer 8 to the LAN 7.

In the personal computer 8, an actual device data creating unit 8a
Is a search result fetched from the LAN 7, a pre-stored design data D1 of a single-line diagram, and design data D2 of protection interlock.
Then, based on the operation-linked design data D3, the device-specific information of the search result is written in an area near the design temporary number in each of the design data D1 to D3.

For example, in the area near the design temporary number in the design data D1 of the single-line diagram, the rating, type, and device number of the device individual information are entered. Further, in the area near the design temporary number in each of the design data D2 and D3 of the protection interlock and the operation interlock, the device number of the device individual information is written. Thereby, the actual device data creating unit 8a creates the single-line diagram in which the device individual information is entered, the actual device data of the protection interlock and the operation interlock, and displays the created result via a display device such as a liquid crystal display. The data is output and stored (e.g., in response to an operation of the operator) in a storage device such as a hard disk.

As described above, according to the present embodiment, the actual device data creation unit 8a sends the search result obtained by sending a search command to each search unit 6b, and the design data D1 of the single-line connection diagram held in advance. Based on the protection interlocking design data D2 and the operation interlocking design data D3.
By entering the device-specific information of the search result in the corresponding area in 3, a single-line diagram in which the device-specific information is entered,
Since the actual device data of the protection interlocking and the operation interlocking is created and the creation result is output, it is possible to reduce the labor of matching each device with the single-line diagram, the protection interlocking and the operation interlocking.

Further, since the individual device information can be collected using the monitoring and control LAN, the existing LAN can be used effectively.

(Second Embodiment) FIG. 4 is a schematic diagram for explaining a substation equipment management apparatus according to a second embodiment of the present invention, and the same parts as those in FIG. The detailed description of the lever is omitted, and only different parts will be described here. In the following respective embodiments, the duplicated description will be omitted in the same manner.

That is, the present embodiment is a modification of the first embodiment, in which a single-line diagram can be corrected when equipment is updated or added. In addition to the above-described functions, when the data creating unit 8a additionally changes the device individual information of the memory unit 6a of the corresponding equipment in accordance with the update or addition of each device, the data creating unit 8a is configured based on the changed device individual information. , And has a function of revising the actual device data of the single-line diagram.

With the above-described configuration, when the actual device data creating unit 8a adds the device individual information of the memory unit 6a of the corresponding facility 9 with the addition of each device, the added device Revise the actual device data of the single-line diagram based on the individual information.

Thus, in addition to the effects of the first embodiment, it is possible to reduce the trouble of revising the actual device data of the single-line diagram when updating or adding each device.

The present embodiment may be modified so that the protection interlocking is revised as shown in FIG. 5 instead of the revision of the single-line diagram. Similarly, the present embodiment may be modified so that the operation interlocking is revised as shown in FIG. 6 instead of the single-line diagram. Further, the actual device data creating unit 8a may include all the revision functions of the single-line diagram, the protection interlock, and the operation interlock. This can reduce the labor of human-based revision of the actual device data to be revised by the actual device data creation unit 8a.

(Third Embodiment) FIG. 7 is a schematic diagram for explaining a substation equipment management apparatus according to a third embodiment of the present invention. That is, the present embodiment is a modification of the first embodiment, in which the protection coordination characteristic can be corrected when the equipment is updated or added. Specifically, the personal computer 8 In addition to the actual device data creation unit 8a,
A calculation procedure storage unit 8b storing a calculation procedure (protection coordination characteristic calculation program) for calculating the protection coordination characteristic of the main circuit, and a memory unit 6a of the corresponding equipment 9 as each device is updated or added. When the device individual information is additionally changed, the main circuit is determined based on the additionally changed device individual information (particularly, rating), the short-circuit current value input from the keyboard 8k, and the contents stored in the calculation procedure storage unit 8b. And a protection coordination calculation unit 8c that calculates the protection coordination characteristic of and outputs the calculation result.

Here, the procedure for calculating the protection coordination characteristic is a well-known procedure in which a conventional calculation procedure by a human system is programmed, and does not perform calculation completely completely automatically, but supports calculation by a human system. Content. However, in the calculation process using the rating of the device, the value of the rating included in the device individual information can be used. The output protection coordination characteristic is rated (15) as shown in FIG.
00kW-750V-2000A-D type), device number (3000HXD22 (P)), and the like. With the above-described configuration, when the protection coordination calculating unit 8c adds device individual information in the memory unit 6a of the corresponding equipment 9 with the addition of each device, the added device individual information, keyboard The protection coordination characteristic of the main circuit is calculated based on the short-circuit current value input from 8k and the contents stored in the calculation procedure storage unit 8b, and the calculation result is output.

Thus, in addition to the effects of the first embodiment, it is possible to reduce the trouble of calculating the protection coordination characteristic when updating or adding each device. (Fourth Embodiment) FIG. 9 is a schematic diagram for explaining a substation equipment management apparatus according to a fourth embodiment of the present invention.
That is, the present embodiment is a modification of the first embodiment, and has a configuration in which device individual information can be input to the memory unit 6a from the keyboard 8k of the personal computer.
For example, as shown in FIG. 10, first, as in the first embodiment, the actual device data creation unit 8a of the personal computer 8 reads device individual information from the memory unit 6a via the LAN 7 (ST1). Based on the device individual information, actual device data such as a single-line diagram is created (ST2), and the operator is inquired as to whether or not to recreate it, and the answer is determined (ST2)
3) If not re-created, store the created result (S
T4) The process ends.

Next, in the present embodiment, when an answer to re-create is obtained in step ST3, the device individual information relating to the updated or added device is read out from the memory unit 6a and displayed on the display, and the necessary information is displayed. An inquiry is made to the operator as to whether or not all the new information has been prepared, and the contents of the response are determined (ST6). If not, a message prompting manual input of necessary conditions is displayed (ST7).

When necessary information is prepared in step ST6 or when necessary information is manually input in step ST7, a single-line diagram is recreated (ST8), and the obtained result is stored on a hard disk. Etc. (ST
4).

As described above, according to the present embodiment, the input of the device individual information to the memory section 6a can be executed from the keyboard 8k of the personal computer, so that in addition to the effect of the first embodiment, the necessary device individual information can be input. Even if it ’s missing,
The necessary device individual information is stored in the memory unit 6 from the personal computer 8 side.
a. It should be noted that the method described in the above embodiment may be implemented by a magnetic disk (floppy (registered trademark) disk, hard disk drive, etc.) as a program (eg, the actual device data creation unit 8a and / or the protection coordination calculation unit 8c) that can be executed by a computer. ), Optical disks (CD-ROM, DVD, etc.), magneto-optical disks (M
O), it can also be stored in a storage medium such as a semiconductor memory and distributed.

In addition, the present invention can be variously modified and implemented without departing from the gist thereof.

[0042]

As described above, according to the present invention, it is possible to reduce the labor for matching each device with a single-line connection diagram, protection interlock, operation interlock, and the like.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a substation equipment management device and its peripheral configuration according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram showing an example of design data of a single-line diagram in the embodiment.

FIG. 3 is a schematic diagram showing an example of protection interlocking design data in the embodiment.

FIG. 4 is a schematic diagram for explaining a substation facility management device according to a second embodiment of the present invention.

FIG. 5 is a schematic view for explaining a modification of the embodiment.

FIG. 6 is a schematic diagram for explaining a modification of the embodiment.

FIG. 7 is a schematic diagram for explaining a substation equipment management apparatus according to a third embodiment of the present invention.

FIG. 8 is a schematic diagram showing an example of a protection coordination characteristic in the embodiment.

FIG. 9 is a schematic diagram for explaining a substation facility management apparatus according to a fourth embodiment of the present invention.

FIG. 10 is a flowchart for explaining the operation in the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Power receiving equipment 2 ... Transformer 3 ... Rectifier 4 ... Closed switchboard 5 ... Other apparatus 6 ... Controller 6a ... Memory part 6b ... Search part 7 ... LAN 8 ... Personal computer 8a ... Actual equipment data creation part 8b ... Calculation procedure storage part 8c ... Protection coordination calculation unit 8k ... Keyboard 9 ... Equipment D1-D3 design data

Claims (6)

[Claims] 1. A substation equipment management apparatus for managing at least various equipment as a transformer, a rectifier, and a closed switchboard in a substation, which is disposed in the various equipment and constitutes a main circuit of the substation. A plurality of device information storage means in which at least disconnector, circuit breaker, transformer and transformer among the devices, device individual information including rating, type and device number of devices belonging to the various facilities are stored; A plurality of search units provided for each device information storage unit and searching the device information storage unit according to the input search command, and sending search results, and obtained by sending a search command to each search unit Based on the search results and the design data of the single-line diagram, the protection-linked design data, and the operation-linked design data that are stored in advance, the device-specific information of the search result is stored in a corresponding area in each of the design data. And a real line data creation means for generating the real line data of the protection interlocking and the operation interlocking in which the device individual information is written, and outputting a generation result. Substation equipment management device. 2. The substation equipment management apparatus according to claim 1, wherein the actual equipment data creation means changes the storage contents of the corresponding equipment information storage means in accordance with the update or expansion of each equipment. A substation facility management device, wherein the actual device data of the single-line diagram is revised based on the added and changed storage contents. 3. The substation equipment management apparatus according to claim 2, wherein the actual equipment data creating unit revises the protection-linked real equipment data in place of the actual equipment data of the single-line diagram. Characteristic substation equipment management device. 4. The substation equipment management device according to claim 2, wherein the actual device data creating means revises the operation-linked actual device data instead of the actual device data of the single-line diagram. Characteristic substation equipment management device. 5. The substation equipment management device according to claim 1, wherein a calculation procedure storing means for storing a calculation procedure for calculating a protection coordination characteristic of the main circuit is used; Numerical value input means for inputting at least a short-circuit current value, and when the storage content of the corresponding device information storage device is additionally changed with the updating or addition of each device, the added and changed storage content, the numerical value Protection coordination calculating means for calculating a protection coordination characteristic of the main circuit based on the short-circuit current value input from the input means and the contents stored in the calculation procedure storage means, and outputting a calculation result. Substation equipment management device. 6. The substation equipment management system according to claim 1, further comprising individual information writing means for writing individual equipment information to each of the equipment information storage means. apparatus.