WO2013132529A1 - Monitoring control system - Google Patents

Monitoring control system Download PDF

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Publication number
WO2013132529A1
WO2013132529A1 PCT/JP2012/001508 JP2012001508W WO2013132529A1 WO 2013132529 A1 WO2013132529 A1 WO 2013132529A1 JP 2012001508 W JP2012001508 W JP 2012001508W WO 2013132529 A1 WO2013132529 A1 WO 2013132529A1
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WO
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Prior art keywords
data
object data
monitoring control
control
monitoring
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PCT/JP2012/001508
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French (fr)
Japanese (ja)
Inventor
智之 槙野
孝行 石通
英二 山根
修 木河
浩 木織
和幸 沖野
ゆかり 有馬
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中国電力株式会社
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Application filed by 中国電力株式会社 filed Critical 中国電力株式会社
Priority to JP2013526018A priority Critical patent/JP5340515B6/en
Priority to PCT/JP2012/001508 priority patent/WO2013132529A1/en
Publication of WO2013132529A1 publication Critical patent/WO2013132529A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply

Definitions

  • the present invention relates to a monitoring control system that performs monitoring control of various devices used in a power system.
  • the electric power company supplies power to consumers through the power system.
  • the power system is composed of equipment such as power transmission lines, transformers, and circuit breakers.
  • Each control station of the electric power company monitors and controls each device of the electric power system managed by itself. For this purpose, each control station uses a database in which data relating to devices to be monitored and controlled is represented in a table.
  • the monitoring control device of the control relay station is operated as a backup when the operation cannot be continued due to a failure of the monitoring control device of the control station.
  • the monitoring control device 210 of the control center includes a main computer 211, a support computer 212, and a driver's console 213, and stores data relating to devices and the like to be monitored and controlled as a control center database 214. is doing.
  • the main computer 211 of the supervisory control device 210 provides a main function of supervisory control
  • the support computer 212 provides a function of supporting supervisory control.
  • the driver's console 213 includes a plurality of buttons and the like operated by a person in charge for monitoring control.
  • the monitoring control devices 220 and 230 of the control relay station include main computers 221 and 231 and operator consoles 222 and 232.
  • the monitoring control device 210 of the control center implements monitoring control of the local devices 311 to 316 using the database 214 in which software and local facility data and transmission data are registered.
  • the local devices 311 to 316 are connected to remote monitoring devices (telecon: TC) 311A to 316A.
  • the local devices 311 to 316 exchange data with the remote monitoring devices 311A to 316A.
  • the remote monitoring apparatuses 311A to 316A are connected to the information collection / distribution apparatuses 241 and 242.
  • the information collection / distribution devices 241 and 242 transmit / receive data to / from the remote monitoring devices 311A to 316A.
  • the information collection / distribution device 241 transmits / receives data to / from the monitoring control device 210 of the control station and the monitoring control device 220 of the control relay station, and the information collection / distribution device 242 monitors the monitoring control device 210 of the control station and the control relay station. Data is transmitted to and received from the control device 230.
  • control relay station converts the database 214 of the monitoring control device 210 of the control station to the monitoring control device of each control relay station.
  • the modified database is incorporated into the monitoring and control equipment 210, and an on-site test with the local equipment is performed to operate the equipment.
  • the database 214 of the control station monitoring control device 210 is changed to the control relay station monitoring control device.
  • the converted database is incorporated into the monitoring control devices 220 and 230 of the control relay station, and a facing test with the local equipment is performed.
  • the above-described method for performing backup of the control and control device at the control station has the following problems.
  • this method it is necessary to convert the database 214 of the monitoring control device 210 of the control station to the monitoring control device of the control relay station.
  • this method requires work for incorporating the converted database into the monitoring control devices 220 and 230 of the control relay station.
  • this method requires that an on-board test with the local devices 311 to 316 be performed using a database incorporated in the monitoring control devices 220 and 230 of the control relay station.
  • the object of the present invention is to solve the above-mentioned problems, eliminate the need for database incorporation for each control relay station, eliminate the need to convert the database for backup, and perform on-site testing of local equipment.
  • the object is to provide a supervisory control system that does not need to be redone.
  • the invention of claim 1 saves data related to a local device such as a circuit breaker used in an electric power system as master data.
  • a database management device that generates the difference data, generates object data from the master data and the difference data, and receives the object data and the difference data from the database management device.
  • the difference data are saved as the current received object data used for monitoring and control of local equipment, a monitoring and control system, characterized in that it comprises a monitoring control unit for backup control plants.
  • a database management device stores data related to local equipment such as a circuit breaker used in the power system as master data, and generates a difference data corresponding to the change when the local equipment is changed.
  • the monitoring control device at the control station generates and distributes object data from the master data and the difference data.
  • the monitoring control device of the control station uses the object data and the difference data to monitor and control the local equipment and distribute the received object data. .
  • the monitoring control device of the backup control center when receiving the object data from the monitoring control device of the control center, the monitoring control device of the backup control center generates and stores difference data based on the object data received this time and the object data received last time. For example, when the operation of the control center is stopped, the monitoring control device of the backup control station uses the object data received this time and the stored difference data for monitoring control of the local equipment.
  • the supervisory control device of the control station when the supervisory control device of the control station receives the object data and the difference data from the database management device, the opposite control of the object data is performed. The object data is distributed after the opposite test is completed.
  • the supervisory control device of the backup control station stores difference data corresponding to a difference between the object data received this time and the current object data. It is used when monitoring and controlling local equipment.
  • the database conversion, the database incorporation work into the monitoring control device of the control relay station, and the conversion of the database for backup are omitted. Can do.
  • the monitoring control device of the backup control center receives the distribution of the object data after completion of the facing test from the monitoring control device of the control center, so that the facing test with the local equipment is omitted. enable.
  • the local equipment can be monitored and controlled by the monitoring control device of the backup control station.
  • FIG. 1 is a configuration diagram illustrating a monitoring control system according to Embodiment 1.
  • FIG. It is explanatory drawing explaining the management of the database by a database management apparatus. It is a figure which shows each area of the computer in a control center. It is a figure which shows each area of the computer in a backup control center. It is explanatory drawing explaining table delivery.
  • FIG. 6A is a diagram illustrating subject selection
  • FIG. 6B is a diagram illustrating button selection
  • FIG. 6C is a diagram illustrating a confirmation dialog
  • FIG. 6E is a diagram showing a confirmation dialog
  • FIG. 6F is a diagram showing a processing dialog.
  • FIG. 7A is a diagram illustrating subject selection
  • FIG. 7A is a diagram illustrating subject selection
  • FIG. 7B is a diagram illustrating button selection
  • FIG. 7C is a diagram illustrating a confirmation dialog
  • FIG. ) Is a diagram showing a processing dialog. It is a figure which shows each area of the computer in a backup control center. It is a block diagram which shows the conventional backup system.
  • FIG. 1 An example of a supervisory control system according to this embodiment is shown in FIG.
  • This monitoring control system performs monitoring control of each equipment device in the electric power system, in this embodiment, the local devices 311 to 316, and is provided in the database management apparatus 10 provided in the management center and in the control station. And a monitoring control device 30 provided in a backup (BU) control station.
  • the database management device 10 and the monitoring control devices 20 and 30 are connected to each other by a communication network NW so that data can be transmitted and received.
  • the database management device 10 of the management center manages a database used in each control station as well as a database of data regarding each device.
  • the database management device 10 is configured by a device that enables data communication with the communication network NW, a computer, and the like.
  • the database management apparatus 10 stores the following data as a database. This is shown in FIG.
  • the database management apparatus 10 stores data related to the local devices 311 to 316 as master data 10A, and stores the master data 10A as a database.
  • the database management device 10 includes a respective differential data is data relating to the modified local device, to generate object data 10B 1 ⁇ 10B 3 based on the master data 10A, the object data 10B 1 ⁇ 10B 3 as database
  • the "Maintenance Subject 1" for the object data 10B 1 is "Add ⁇ load bus”
  • the object data is used as working data at the control station. Further, for object data, there is a version or the like indicating the state of content update.
  • the object data 10B 1 to 10B 3 are represented by “DB1” to “DB3”.
  • the database management apparatus 10 creates difference data as maintenance data every time a local device is updated.
  • the database management apparatus 10 performs equipment change processing. That is, when the device managed by the control center is updated, the database management apparatus 10 receives device update data from the control center. Thereby, the database management apparatus 10 sets the device update data representing the updated device as difference data representing the difference between the object data, and creates new maintenance data using the difference data.
  • the database management apparatus 10 When the database management apparatus 10 receives a request signal for requesting a database from the monitoring control apparatus 20, the database management apparatus 10 transmits the object data created based on the master data 10A and the difference data, that is, the latest maintenance data. Send to. For example, when transmitting the object data 10B 2 , the database management device 10 also adds and transmits the difference data between the object data 10B 1 and the object data 10B 2 .
  • the database management device 10 When the database management device 10 receives the test end signal from the monitoring control device 20, the database management device 10 distributes the object data to the future area 20B of each computer of the monitoring control device 20.
  • the control station transmits / receives data to / from the local devices 311 to 316 via the communication network NW, the information collection / distribution devices 241 and 242, and the remote monitoring devices 311A to 316A, and the local devices 311 to 316 Monitoring control is performed.
  • the control / monitoring control device 20 of the control center includes a main computer (MP) 21, a support computer (SP) 22, a test training computer (SIM) 23, a console 24 and a communication device 25.
  • Data related to devices that are the subject of monitoring control are stored.
  • the monitoring control device 20 includes various computers.
  • the main computer 21 of the monitoring control device 20 provides a main function of monitoring control, and the support computer 22 provides a function of supporting monitoring control.
  • the test training computer 23 performs an oncoming test of the local devices 311 to 316.
  • the operator console 24 is operated by a person in charge for monitoring control.
  • the communication device 25 enables data transmission / reception by each computer via the communication network NW.
  • each computer including the main computer 21 to the test training computer 23 has an area for storing object data and the like. This is shown in FIG.
  • the main computer 21 of the monitoring control device 20 has an active area 20A, a future area 20B, and a test area 20C.
  • the active area 20A object data necessary for the current operation is stored.
  • the future area 20B stores data for switching to the current operation at the next operation switching.
  • the test area 20C stores data used in the facing test at the own station.
  • FIG. 3 shows a state in which the DB1 object data is stored in the current area, and the DB2 object data is stored in the future area and the test area.
  • the support computer 22 of the monitoring control device 20 controls the communication device 25 to control the management center.
  • a request signal is transmitted to the communication network NW toward the database management apparatus 10.
  • the monitoring control device 20 stores the object data in the test area 20C of each computer.
  • the test training computer 23 of the monitoring control device 20 performs an oncoming test of the field devices 311 to 316 and checks the validity of the object data stored in the test area 20C.
  • the test training computer 23 of the monitoring control device 20 transmits a test end signal to the database management device 10.
  • the main computer 21 of the monitoring control device 20 switches the object data stored in the future area 20B of each computer to the current one.
  • the main computer 21 of the monitoring control device 20 saves the object data of the future area 20B in the working area 20A.
  • the operation switching is completed, and the main computer 21 starts the operation using the updated object data.
  • the monitoring and control apparatus 20 operates the system while referring to the difference data added to the object data because switching the entire object data is a burden in the operation of the system.
  • the backup control station is for backing up the control station when an abnormality occurs in the control station and the control station cannot be used. For this reason, the person in charge is not resident at the backup control station, and the operation is not switched at the same timing as the control station.
  • the backup control station passes through the communication network NW, the information collection / distribution devices 241 and 242, and the remote monitoring devices 311A to 316A, and then the local devices 311 to 316 and data.
  • the local devices 311 to 316 are monitored and controlled based on the transmitted and received data.
  • the monitoring control device 30 of the backup control center includes a main computer (MP) 31, a support computer (SP) 32, a test training computer (SIM) 33, a driver console 34, and a communication device 35, like the control center.
  • the backup control center database (BU control center DB) 37 stores data related to devices and the like to be monitored and controlled.
  • the monitoring control device 30 includes various computers.
  • the main computer 31 of the monitoring control device 30 provides the main function of monitoring control, and the support computer 32 provides the function of supporting monitoring control.
  • the test training computer 33 performs a facing test on the field devices 311 to 316.
  • the operator console 34 is operated by a person in charge for monitoring control.
  • the communication device 35 enables transmission / reception of data by each computer via the communication network NW.
  • each computer including the main computer 31 to the test training computer 33 has an area for storing object data and the like. This is shown in FIG.
  • the main computer 31 of the monitoring control device 30 has a working area 30A, a future area 30B, and a test area 30C, as in the monitoring control device 20 of the control center.
  • FIG. 4 shows a state in which DB1 object data is stored in the current area, and DB2 object data is stored in the future area and the test area.
  • the monitoring control device 30 operates the system while referring to the difference data together with the object data in the active area 30A, like the monitoring control device 20 of the control center.
  • the monitoring control device 30 at the backup control center further includes a difference generation server 36.
  • the difference generation server 36 is always in an operating state and has a function of creating difference data. That is, when the object data is distributed from the monitoring control device 20 of the control center to the monitoring control device 30 by the table distribution processing described later, even if the backup control center is unmanned, the difference generation server 36 The difference data between the object data received last time and the object data received this time is generated and stored.
  • the difference generation server 36 executes such a difference data generation process every time the monitoring control device 20 of the control station distributes object data.
  • the change of the local equipment due to this is transmitted from the support computer 22 of the monitoring control device 20 to the database management device 10 of the management center. Thereby, the database management apparatus 10 produces
  • the support computer 22 of the monitoring control device 20 stores the database for the opposite test. Is sent to the database management apparatus 10 of the management center. In response to this, the database management apparatus 10 generates the latest object data based on the master data and the difference data. Thereafter, as shown in FIG. 5, the database management device 10 transmits the generated object data and difference data to the test area of the test training computer 23 of the monitoring control device 20 of the control station, and the object for testing Data is equivalent (step S1).
  • test training computer 23 of the supervisory control device 20 at the control station receives the database composed of the object data and the difference data from the database management device 10 at the management center, the test training computer 23 conducts an oncoming test of the local devices 311 to 316. Upon confirming the validity of the object data, the test training computer 23 transmits a database request signal for preparation for operation switching to the database management apparatus 10 of the management center. In response to this, the database management apparatus 10 transmits the latest object data and difference data to the future area of each computer in the control center, and equalizes the object data (step S2).
  • step S3 the latest object data of the future area of each computer and the object data of the working area are switched.
  • the main computer 21 of the control center performs monitoring control of the local devices 311 to 316 using the latest object data and difference data.
  • step S3 the monitoring control device 20 at the control center distributes object data from the test training computer 23 to the monitoring control device 30 at the backup control center under predetermined restrictions (step S4).
  • the monitoring control device 20 transmits the object data to the monitoring control device 30 at the backup control center based on the next function request regarding table distribution.
  • the distribution area of object data is a future area and a test area.
  • the table distribution process distributes the object data to the future area and the test area of the computer at the backup control center, and thus does not affect the online operation.
  • the control station performs synchronous monitoring until the completion of distribution of the object data to the main computer of the backup control station.
  • the data change processing for the backup control center after the distribution of the object data, the differential data generation processing, and the data distribution processing to each computer are monitored at the backup control center and notified to the control center when a failure occurs.
  • the monitoring control device 20 of the control center displays an execution confirmation dialog when all of the following acceptance conditions are satisfied. If even one reception condition is not satisfied, the monitoring control device 20 displays a message dialog and stops the process.
  • the status of the maintenance subject to be distributed is “tested” and the consistency check is “completed”. In the distribution to the test area, the maintenance subject of the distribution process is “Self-run test has been performed” and “Test has been performed”, and the consistency check is being performed.
  • the data generation state of the maintenance subject to be distributed is “done”.
  • the operation mode of the test training computer has been established. (Including “stop” mode) (4) Communication between the test training computer at the control center and the main computer at the backup control center is possible.
  • object data is distributed to future areas in the following procedure.
  • the person in charge selects a maintenance subject that has been tested as a result of a series of operation operations by the console 24.
  • selection is represented by hatched portions.
  • the maintenance subject is selected, as shown in FIG. 6B, the “preparation for operation switching” button is selected by the person in charge.
  • the operation switching preparation is being executed as shown in FIG. 6D. Is confirmed that the operation switching preparation is in progress.
  • a confirmation dialog for executing table distribution is displayed as shown in FIG.
  • a processing dialog indicating that table distribution is being executed is displayed as shown in FIG.
  • the monitoring control apparatus 20 at the control center transmits object data to the monitoring control apparatus 30 at the backup control station at the stage of preparation for operation switching.
  • object data can be distributed to the test area by the following procedure.
  • the distribution procedure to the test area of the monitoring control device 30 of the backup control center is performed from the computer-by-computer maintenance status list screen.
  • the person in charge selects a maintenance subject that has been tested.
  • the “BU control station distribution” button is selected by the person in charge as shown in FIG.
  • FIG. 7C when “test area” and “execution” are selected in the confirmation dialog for selecting the table distribution area, the table distribution execution is performed as shown in FIG. 7D. It is confirmed that the BU control center is being distributed by the dialog representing the inside.
  • step S4 when the object data is distributed from the test training computer 23 of the control center to the monitoring control device 30 of the backup control center, the difference generation server 36 of the monitoring control device 30 in the backup control center
  • the object data distributed from the monitoring control device 20 is received.
  • the difference generation server 36 generates and stores difference data between the object data received last time and the object data received this time.
  • the object data is distributed from the control station according to the maintenance subject, so the difference generation server 36 sequentially stores the difference data from the previous object data for each maintenance subject. That is, the difference generation server 36 generates difference data in synchronization with operation switching at the control center.
  • step S4 is executed when the backup control center is in an operating state, that is, if there is distribution of object data
  • the main computer 31 of the backup control center places the received object data in the future area. save. Further, as described above, the difference generation server 36 generates difference data based on the received object data.
  • the main computer 31 stores the received object data in the test area. In this case, the on-site testing of the local devices 311 to 316 can be performed at the backup control station.
  • the main computer 31 at the backup control station receives the object data in step S4, when operation switching is input at the backup control center, the latest object data in the future area of each computer and the object data in the working area are switched. (Step S5). Then, the main computer 31 reads the difference data generated by the difference generation server 36 and performs monitoring control of the local devices 311 to 316 based on the latest received object data and difference data.
  • the backup control center is operated when, for example, the control center becomes unusable, so that a person in charge does not reside in the backup control center. For this reason, operation switching is not normally performed at the same timing as the control station at the backup control station.
  • the object data of DB3 when the object data of DB3 is distributed to the working area 30B of the main computer 31, the object data of the working area 30A may be DB1. If it is a control center, operation switching is sequentially performed according to the maintenance subject, so the object data of the active area 30A is DB2.
  • the person in charge is not resident at the backup control center, in the case of FIG. 8, even if the object data of DB2 is distributed, the operation is not switched.
  • the main computer 31 refers to the difference data between DB3 and DB1 together with the object data of DB3, and performs monitoring control of the local devices 311 to 316.
  • the difference generation server 36 generates difference data every time it receives object data. That is, in the case of FIG. 8, the difference generation server 36 generates difference data between DB2 and DB1 and difference data between DB3 and DB2. Therefore, the main computer 31 reads the difference data between DB2 and DB1 and the difference data between DB3 and DB2 from the difference generation server 36 as the difference data between DB3 and DB1, and these difference data and the object data of DB3. Are used to monitor and control the local devices 311 to 316.
  • the backup control station is the same as the control station, using the object data of DB3 distributed from the database management apparatus 10 and the difference data between DB3 and DB2, the difference data required by the main computer 31; It becomes inconsistent with the object data and may cause trouble in operation.
  • the monitoring control device 30 at the backup control center receives the distribution of object data from the test training computer 23, so that it is possible to omit the on-site test of the local devices 311 to 316.
  • the object data in the current area and the object data in the future area are not distributed in synchronization with the operation switching of the control station in the monitoring control device 30 of the backup control station.
  • the local equipment 311 to 316 can be monitored and controlled by the monitoring control device 30 at the backup control center. .
  • the distribution of object data in the first embodiment is performed as follows.
  • the person in charge at the control station manually distributes the object data to the backup control station.
  • the test training computer 23 of the monitoring control device 30 of the control station receives the object data, or when the operation switching preparation instruction is input to the console 24 of the control station.
  • the test training computer 23 in the control center distributes it to the difference generation server 36 in the backup control center.
  • distribution of object data from the monitoring control device 20 at the control center to the monitoring control device 30 at the backup control center can be automatically performed.

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Abstract

Provided is a monitoring control system that eliminates the need for installation work for a database at each control relay site, that makes database conversion for backup unnecessary, and that does not require a repeated performance test for a site unit. The monitoring control system includes: a database management apparatus (10) that saves data related to electric-power-grid site units (311 to 316) as master data and that, when a site unit is changed, generates difference data corresponding to the change, generates object data from the master data and the difference data, and distributes the difference data and the object data; a monitoring control apparatus (20) that performs monitoring control of the site units by using the received object data and difference data and that distributes the object data; and a monitoring control apparatus (30) that generates difference data from the object data received this time from monitoring control apparatus (20) and the object data received last time and saves the difference data and that, instead of monitoring control apparatus (20), uses the object data received this time and stored difference data for monitoring control of the site units (311 to 316).

Description

監視制御システムSupervisory control system
　この発明は、電力系統で使用されている各種の機器の監視制御を行う監視制御システムに関する。 The present invention relates to a monitoring control system that performs monitoring control of various devices used in a power system.
　電力会社は、電力系統により需要家に対して電力を供給している。電力系統は、例えば送電線、変圧器、遮断器などの設備機器で構成されている。電力会社の各制御所は、自所が管理する電力系統の各機器を、監視して制御している。このために、各制御所は、監視制御の対象である機器に関するデータをテーブルで表したデータベースを利用している。 The electric power company supplies power to consumers through the power system. The power system is composed of equipment such as power transmission lines, transformers, and circuit breakers. Each control station of the electric power company monitors and controls each device of the electric power system managed by itself. For this purpose, each control station uses a database in which data relating to devices to be monitored and controlled is represented in a table.
　こうしたデータは監視制御のためには重要であるので、監視制御対象のデータのバックアップとしては、データファイルの属性に基づき、重要なデータファイルを優先的に伝送してバックアップを作成する等の処理がある。これにより、重要度の高いデータファイルを保護している（例えば、特許文献１参照。）。 Since such data is important for monitoring and control, backup of data subject to monitoring and control is based on the attributes of the data file, such as preferentially transmitting important data files and creating backups. is there. This protects data files with high importance (see, for example, Patent Document 1).
　ところで、制御所の監視制御装置の故障等で運転継続ができなくなった場合のバックアップとして、制御中継所の監視制御装置を運用している。例えば、図９に示すように、制御所の監視制御装置２１０は、主計算機２１１、支援計算機２１２および運転卓２１３を備え、監視制御の対象である機器等に関するデータを、制御所データベース２１４として保存している。監視制御装置２１０の主計算機２１１は監視制御の主な機能を提供し、支援計算機２１２は監視制御を支援する機能を提供する。運転卓２１３は、監視制御のために担当者に操作される、複数の釦等を備えている。同じように、制御中継所の監視制御装置２２０、２３０は、主計算機２２１、２３１と運転卓２２２、２３２とを備えている。 By the way, the monitoring control device of the control relay station is operated as a backup when the operation cannot be continued due to a failure of the monitoring control device of the control station. For example, as shown in FIG. 9, the monitoring control device 210 of the control center includes a main computer 211, a support computer 212, and a driver's console 213, and stores data relating to devices and the like to be monitored and controlled as a control center database 214. is doing. The main computer 211 of the supervisory control device 210 provides a main function of supervisory control, and the support computer 212 provides a function of supporting supervisory control. The driver's console 213 includes a plurality of buttons and the like operated by a person in charge for monitoring control. Similarly, the monitoring control devices 220 and 230 of the control relay station include main computers 221 and 231 and operator consoles 222 and 232.
　そして、制御所の監視制御装置２１０は、ソフトウェアと現地設備データや伝送データが登録されているデータベース２１４を使用して、現地機器３１１～３１６の監視制御を実現している。現地機器３１１～３１６は、遠方監視装置（テレコン：ＴＣ）３１１Ａ～３１６Ａに接続されている。現地機器３１１～３１６は、遠方監視装置３１１Ａ～３１６Ａとデータの送受信を行う。また、遠方監視装置３１１Ａ～３１６Ａは、情報集配信装置２４１、２４２と接続されている。情報集配信装置２４１、２４２は、遠方監視装置３１１Ａ～３１６Ａとデータの送受信を行う。さらに、情報集配信装置２４１は制御所の監視制御装置２１０および制御中継所の監視制御装置２２０とデータの送受信を行い、情報集配信装置２４２は制御所の監視制御装置２１０および制御中継所の監視制御装置２３０とデータの送受信を行う。 The monitoring control device 210 of the control center implements monitoring control of the local devices 311 to 316 using the database 214 in which software and local facility data and transmission data are registered. The local devices 311 to 316 are connected to remote monitoring devices (telecon: TC) 311A to 316A. The local devices 311 to 316 exchange data with the remote monitoring devices 311A to 316A. Further, the remote monitoring apparatuses 311A to 316A are connected to the information collection / distribution apparatuses 241 and 242. The information collection / distribution devices 241 and 242 transmit / receive data to / from the remote monitoring devices 311A to 316A. Further, the information collection / distribution device 241 transmits / receives data to / from the monitoring control device 210 of the control station and the monitoring control device 220 of the control relay station, and the information collection / distribution device 242 monitors the monitoring control device 210 of the control station and the control relay station. Data is transmitted to and received from the control device 230.
　このように、１つの制御所に対して複数の制御中継所を設置し、制御中継所は、制御所の監視制御装置２１０のデータベース２１４を、各々の制御中継所の監視制御装置用に変換して使用している。 In this way, a plurality of control relay stations are installed for one control station, and the control relay station converts the database 214 of the monitoring control device 210 of the control station to the monitoring control device of each control relay station. Are used.
　現地機器の新設や取替工事などで、制御所の監視制御装置２１０のデータベース２１４を修正した場合、修正したデータベースを監視制御装置２１０へ組み込み、現地機器との対向試験を実施して、運用を開始する。制御所の監視制御装置２１０のバックアップである制御中継所の監視制御装置２２０、２３０のデータベース２２３、２３３も変更になるので、制御所の監視制御装置２１０のデータベース２１４を制御中継所の監視制御装置用に変換し、変換したデータベースを制御中継所の監視制御装置２２０、２３０に組込み、現地機器との対向試験を実施している。 When the database 214 of the control and control device 210 of the control center is modified due to new installation or replacement work of local equipment, the modified database is incorporated into the monitoring and control equipment 210, and an on-site test with the local equipment is performed to operate the equipment. Start. Since the databases 223 and 233 of the control relay station monitoring control devices 220 and 230 that are backups of the control station monitoring control device 210 are also changed, the database 214 of the control station monitoring control device 210 is changed to the control relay station monitoring control device. The converted database is incorporated into the monitoring control devices 220 and 230 of the control relay station, and a facing test with the local equipment is performed.
特開２００９－２４５２４８号公報JP 2009-245248 A
　ところで、先に述べた、制御所の監視制御装置のバックアップを行う方式には、次の課題がある。この方式には、制御所の監視制御装置２１０のデータベース２１４を制御中継所の監視制御装置用に変換する必要がある。また、この方式には、変換したデータベースを制御中継所の監視制御装置２２０、２３０に組込むための作業が必要である。さらに、この方式には、制御中継所の監視制御装置２２０、２３０に組込まれたデータベースにより、現地機器３１１～３１６との対向試験を実施する必要がある。 By the way, the above-described method for performing backup of the control and control device at the control station has the following problems. In this method, it is necessary to convert the database 214 of the monitoring control device 210 of the control station to the monitoring control device of the control relay station. In addition, this method requires work for incorporating the converted database into the monitoring control devices 220 and 230 of the control relay station. Furthermore, this method requires that an on-board test with the local devices 311 to 316 be performed using a database incorporated in the monitoring control devices 220 and 230 of the control relay station.
　この発明の目的は、前記の課題を解決し、各制御中継所に対してデータベースの組込み作業をする必要をなくし、バックアップ用にデータベースを変換することを不要にし、また、現地機器の対向試験をやり直す必要がない監視制御システムを提供することにある。 The object of the present invention is to solve the above-mentioned problems, eliminate the need for database incorporation for each control relay station, eliminate the need to convert the database for backup, and perform on-site testing of local equipment. The object is to provide a supervisory control system that does not need to be redone.
　前記の課題を解決するために、請求項１の発明は、電力系統で用いられている遮断器等の現地機器に関するデータをマスターデータとして保存し、現地機器に変更があると、この変更に応じた差分データを生成し、前記マスターデータと前記差分データとからオブジェクトデータを生成して配信するデータベース管理装置と、前記データベース管理装置からオブジェクトデータと差分データとを受信すると、このオブジェクトデータと差分データとを使用して前記現地機器の監視制御を行うと共に受信したオブジェクトデータを配信する、制御所の監視制御装置と、前記制御所の監視制御装置からオブジェクトデータを受信すると、今回受信したオブジェクトデータと前回受信したオブジェクトデータとを基に差分データを生成して保存し、今回受信したオブジェクトデータと保存してある差分データとを現地機器の監視制御に使用する、バックアップ制御所の監視制御装置と、を備えることを特徴とする監視制御システムである。 In order to solve the above-mentioned problem, the invention of claim 1 saves data related to a local device such as a circuit breaker used in an electric power system as master data. A database management device that generates the difference data, generates object data from the master data and the difference data, and receives the object data and the difference data from the database management device. And monitoring and controlling the local equipment and delivering the received object data, and receiving the object data from the monitoring and controlling apparatus of the control station, the object data received this time and Generate and save difference data based on the previously received object data And the difference data are saved as the current received object data used for monitoring and control of local equipment, a monitoring and control system, characterized in that it comprises a monitoring control unit for backup control plants.
　請求項１の発明では、データベース管理装置と、制御所の監視制御装置と、バックアップ制御所の監視制御装置とが設置されている。データベース管理装置は、電力系統で用いられている遮断器等の現地機器に関するデータをマスターデータとして保存し、現地機器に変更があると、この変更に応じた差分データを生成する。そして、制御所の監視制御装置は、マスターデータと差分データとからオブジェクトデータを生成して配信する。また、制御所の監視制御装置は、データベース管理装置からオブジェクトデータと差分データとを受信すると、このオブジェクトデータと差分データとを使用して現地機器の監視制御を行うと共に受信したオブジェクトデータを配信する。さらに、バックアップ制御所の監視制御装置は、制御所の監視制御装置からオブジェクトデータを受信すると、今回受信したオブジェクトデータと前回受信したオブジェクトデータとを基に差分データを生成して保存する。そして、例えば制御所の運転が停止した場合、バックアップ制御所の監視制御装置は、今回受信したオブジェクトデータと保存してある差分データとを現地機器の監視制御に使用する。 In the invention of claim 1, a database management device, a monitoring control device for a control center, and a monitoring control device for a backup control center are installed. The database management device stores data related to local equipment such as a circuit breaker used in the power system as master data, and generates a difference data corresponding to the change when the local equipment is changed. The monitoring control device at the control station generates and distributes object data from the master data and the difference data. When the monitoring control device at the control station receives the object data and the difference data from the database management device, the monitoring control device of the control station uses the object data and the difference data to monitor and control the local equipment and distribute the received object data. . Further, when receiving the object data from the monitoring control device of the control center, the monitoring control device of the backup control center generates and stores difference data based on the object data received this time and the object data received last time. For example, when the operation of the control center is stopped, the monitoring control device of the backup control station uses the object data received this time and the stored difference data for monitoring control of the local equipment.
　請求項２の発明は、請求項１に記載の監視制御システムにおいて、前記制御所の監視制御装置は、前記データベース管理装置からオブジェクトデータと差分データとを受信すると、このオブジェクトデータの対向試験を行い、この対向試験の終了後にこのオブジェクトデータを配信する、ことを特徴とする。 According to a second aspect of the present invention, in the supervisory control system according to the first aspect, when the supervisory control device of the control station receives the object data and the difference data from the database management device, the opposite control of the object data is performed. The object data is distributed after the opposite test is completed.
　請求項３の発明は、請求項１または２に記載の監視制御システムにおいて、前記バックアップ制御所の監視制御装置は、今回受信したオブジェクトデータと、現用のオブジェクトデータとの差分に対応する差分データを、現地機器の監視制御の際に使用する、ことを特徴とする。 According to a third aspect of the present invention, in the supervisory control system according to the first or second aspect, the supervisory control device of the backup control station stores difference data corresponding to a difference between the object data received this time and the current object data. It is used when monitoring and controlling local equipment.
　請求項１の発明によれば、従来の制御中継所を不要にしたので、データベースの変換や制御中継所の監視制御装置へのデータベース組込み作業や、データベースをバックアップ用に変換することを省略することができる。 According to the first aspect of the present invention, since the conventional control relay station is not required, the database conversion, the database incorporation work into the monitoring control device of the control relay station, and the conversion of the database for backup are omitted. Can do.
　請求項２の発明によれば、バックアップ制御所の監視制御装置は、制御所の監視制御装置から、対向試験終了後のオブジェクトデータの配信を受けるので、現地機器との対向試験を省略することを可能にする。 According to the invention of claim 2, the monitoring control device of the backup control center receives the distribution of the object data after completion of the facing test from the monitoring control device of the control center, so that the facing test with the local equipment is omitted. enable.
　請求項３の発明によれば、現用のオブジェクトデータと、次回に使うオブジェクトデータとが順次に配信されたものでなくても、現用のオブジェクトデータと、次回に使うオブジェクトデータとの差分に対応する差分データを用いて、バックアップ制御所の監視制御装置による現地機器の監視制御を行うことができる。 According to the invention of claim 3, even if the current object data and the object data to be used next time are not sequentially delivered, it corresponds to the difference between the current object data and the object data to be used next time. Using the difference data, the local equipment can be monitored and controlled by the monitoring control device of the backup control station.
実施の形態１による監視制御システムを示す構成図である。1 is a configuration diagram illustrating a monitoring control system according to Embodiment 1. FIG. データベース管理装置によるデータベースの管理を説明する説明図である。It is explanatory drawing explaining the management of the database by a database management apparatus. 制御所における計算機の各エリアを示す図である。It is a figure which shows each area of the computer in a control center. バックアップ制御所における計算機の各エリアを示す図である。It is a figure which shows each area of the computer in a backup control center. テーブル配信を説明する説明図である。It is explanatory drawing explaining table delivery. 配信手順を説明する図であり、図６（ａ）は件名選択を示す図、図６（ｂ）は釦選択を示す図、図６（ｃ）は確認ダイヤログを示す図、図６（ｄ）は処理中ダイヤログを示す図、図６（ｅ）は確認ダイヤログを示す図、図６（ｆ）は処理中ダイヤログを示す図である。FIG. 6A is a diagram illustrating subject selection, FIG. 6B is a diagram illustrating button selection, FIG. 6C is a diagram illustrating a confirmation dialog, and FIG. ) Is a diagram showing a processing dialog, FIG. 6E is a diagram showing a confirmation dialog, and FIG. 6F is a diagram showing a processing dialog. 配信手順を説明する図であり、図７（ａ）は件名選択を示す図、図７（ｂ）は釦選択を示す図、図７（ｃ）は確認ダイヤログを示す図、図７（ｄ）は処理中ダイヤログを示す図である。FIG. 7A is a diagram illustrating subject selection, FIG. 7B is a diagram illustrating button selection, FIG. 7C is a diagram illustrating a confirmation dialog, and FIG. ) Is a diagram showing a processing dialog. バックアップ制御所における計算機の各エリアを示す図である。It is a figure which shows each area of the computer in a backup control center. 従来のバックアップ方式を示す構成図である。It is a block diagram which shows the conventional backup system.
　次に、この発明の各実施の形態について、図面を用いて詳しく説明する。なお、各実施の形態では、先に説明した図９と同一もしくは同一と見なされる構成要素には、それと同じ参照符号を付けて、その説明を省略する。 Next, each embodiment of the present invention will be described in detail with reference to the drawings. In each embodiment, components that are the same as or the same as those in FIG. 9 described above are given the same reference numerals, and descriptions thereof are omitted.
　（実施の形態１）
　この実施の形態による監視制御システムの一例を図１に示す。この監視制御システムは、電力系統内の各設備機器、この実施の形態では現地機器３１１～３１６の監視制御を行うものであり、管理センターに設けられているデータベース管理装置１０と、制御所に設けられている監視制御装置２０と、バックアップ（ＢＵ）制御所に設けられている監視制御装置３０とを備えている。データベース管理装置１０と監視制御装置２０、３０とは、データの送受信が可能なように通信網ＮＷによって互いに接続されている。 (Embodiment 1)
An example of a supervisory control system according to this embodiment is shown in FIG. This monitoring control system performs monitoring control of each equipment device in the electric power system, in this embodiment, the local devices 311 to 316, and is provided in the database management apparatus 10 provided in the management center and in the control station. And a monitoring control device 30 provided in a backup (BU) control station. The database management device 10 and the monitoring control devices 20 and 30 are connected to each other by a communication network NW so that data can be transmitted and received.
　管理センターのデータベース管理装置１０は、各機器に関するデータのデータベースであると共に各制御所で使用されるデータベースを管理している。図示を省略しているが、データベース管理装置１０は、通信網ＮＷとのデータ通信を可能にする装置や、計算機等で構成されている。 The database management device 10 of the management center manages a database used in each control station as well as a database of data regarding each device. Although not shown, the database management device 10 is configured by a device that enables data communication with the communication network NW, a computer, and the like.
　データベース管理装置１０は、次のようなデータをデータベースとして保存している。この様子を図２に示す。データベース管理装置１０は、現地機器３１１～３１６に関するデータをマスターデータ１０Ａとし、このマスターデータ１０Ａをデータベースとして保存している。また、データベース管理装置１０は、変更された現地機器に関するデータである各差分データと、マスターデータ１０Ａとを基にオブジェクトデータ１０Ｂ１～１０Ｂ３を生成し、データベースとしてオブジェクトデータ１０Ｂ１～１０Ｂ３を記憶する。例えば、オブジェクトデータ１０Ｂ１に対する「メンテナンス件名１」は「△△負荷母線追加」であり、このメンテナンス件名１の差分データを反映したものが、オブジェクトデータ１０Ｂ１である。オブジェクトデータは制御所で現用データとして使用している。さらに、オブジェクトデータに対しては、内容の更新の状態を表すバージョン等もある。なお、図２では、オブジェクトデータ１０Ｂ１～１０Ｂ３を「ＤＢ１」～「ＤＢ３」で表している。 The database management apparatus 10 stores the following data as a database. This is shown in FIG. The database management apparatus 10 stores data related to the local devices 311 to 316 as master data 10A, and stores the master data 10A as a database. Also, the database management device 10 includes a respective differential data is data relating to the modified local device, to generate object data 10B 1 ~ 10B 3 based on the master data 10A, the object data 10B 1 ~ 10B 3 as database Remember. For example, the "Maintenance Subject 1" for the object data 10B 1 is "Add △△ load bus", reflects the difference data of the maintenance subject 1, an object data 10B 1. The object data is used as working data at the control station. Further, for object data, there is a version or the like indicating the state of content update. In FIG. 2, the object data 10B 1 to 10B 3 are represented by “DB1” to “DB3”.
　また、データベース管理装置１０は、現地機器が更新される毎に、差分データをメンテナンスデータとして作成する。このために、データベース管理装置１０は設備変更の処理を行う。つまり、制御所が管理する機器が更新されると、データベース管理装置１０は、制御所から機器更新データを受け取る。これにより、データベース管理装置１０は、更新された機器を表す機器更新データを、オブジェクトデータの差分を表す差分データとし、この差分データを用いて新たなメンテナンスデータを作成する。 In addition, the database management apparatus 10 creates difference data as maintenance data every time a local device is updated. For this purpose, the database management apparatus 10 performs equipment change processing. That is, when the device managed by the control center is updated, the database management apparatus 10 receives device update data from the control center. Thereby, the database management apparatus 10 sets the device update data representing the updated device as difference data representing the difference between the object data, and creates new maintenance data using the difference data.
　データベース管理装置１０は、データベースを要求する要求信号を監視制御装置２０から受信すると、マスターデータ１０Ａと、差分データつまり最新のメンテナンスデータとを基に作成したオブジェクトデータを、発信元のデータベース管理装置１０に送信する。例えば、データベース管理装置１０は、オブジェクトデータ１０Ｂ２を送信する場合、オブジェクトデータ１０Ｂ１とオブジェクトデータ１０Ｂ２との差分データも付加して送信する。 When the database management apparatus 10 receives a request signal for requesting a database from the monitoring control apparatus 20, the database management apparatus 10 transmits the object data created based on the master data 10A and the difference data, that is, the latest maintenance data. Send to. For example, when transmitting the object data 10B 2 , the database management device 10 also adds and transmits the difference data between the object data 10B 1 and the object data 10B 2 .
　データベース管理装置１０は、監視制御装置２０から試験終了信号を受信すると、監視制御装置２０の各計算機の将来エリア２０Ｂにオブジェクトデータを配信する。 When the database management device 10 receives the test end signal from the monitoring control device 20, the database management device 10 distributes the object data to the future area 20B of each computer of the monitoring control device 20.
　制御所は、通信網ＮＷと情報集配信装置２４１、２４２と遠方監視装置３１１Ａ～３１６Ａとを経て、現地機器３１１～３１６とデータの送受信を行い、送受信したデータを基に、現地機器３１１～３１６の監視制御を行う。このために、制御所の監視制御装置２０は、主計算機（ＭＰ）２１、支援計算機（ＳＰ）２２、試験訓練計算機（ＳＩＭ）２３、運転卓２４および通信装置２５を備え、制御所データベース２６に、監視制御の対象である機器等に関するデータを保存している。この他にも、図示を省略しているが、監視制御装置２０は各種の計算機などを備えている。監視制御装置２０の主計算機２１は監視制御の主な機能を提供し、支援計算機２２は監視制御を支援する機能を提供する。試験訓練計算機２３は、現地機器３１１～３１６の対向試験を実施する。運転卓２４は監視制御のために担当者に操作される。通信装置２５は、通信網ＮＷを経た、各計算機によるデータの送受信を可能にする。 The control station transmits / receives data to / from the local devices 311 to 316 via the communication network NW, the information collection / distribution devices 241 and 242, and the remote monitoring devices 311A to 316A, and the local devices 311 to 316 Monitoring control is performed. For this purpose, the control / monitoring control device 20 of the control center includes a main computer (MP) 21, a support computer (SP) 22, a test training computer (SIM) 23, a console 24 and a communication device 25. , Data related to devices that are the subject of monitoring control are stored. In addition to this, although not shown, the monitoring control device 20 includes various computers. The main computer 21 of the monitoring control device 20 provides a main function of monitoring control, and the support computer 22 provides a function of supporting monitoring control. The test training computer 23 performs an oncoming test of the local devices 311 to 316. The operator console 24 is operated by a person in charge for monitoring control. The communication device 25 enables data transmission / reception by each computer via the communication network NW.
　監視制御装置２０では、主計算機２１～試験訓練計算機２３を含む各計算機が、オブジェクトデータ等を保存するエリアを持っている。この様子を図３に示す。監視制御装置２０の例えば主計算機２１は、現用エリア２０Ａと将来エリア２０Ｂと試験エリア２０Ｃとを持つ。現用エリア２０Ａには、現在の運用に必要とするオブジェクトデータが保存されている。将来エリア２０Ｂは、次回の運用切替時に現用に切り替えるためのデータを保存する。試験エリア２０Ｃは、自局における対向試験で使用するデータを保存する。図３は、ＤＢ１のオブジェクトデータが現用エリアに保存され、将来エリアと試験エリアとに、ＤＢ２のオブジェクトデータが保存されている状態を表している。 In the monitoring control device 20, each computer including the main computer 21 to the test training computer 23 has an area for storing object data and the like. This is shown in FIG. For example, the main computer 21 of the monitoring control device 20 has an active area 20A, a future area 20B, and a test area 20C. In the active area 20A, object data necessary for the current operation is stored. The future area 20B stores data for switching to the current operation at the next operation switching. The test area 20C stores data used in the facing test at the own station. FIG. 3 shows a state in which the DB1 object data is stored in the current area, and the DB2 object data is stored in the future area and the test area.
　また、監視制御装置２０の運転卓２４が操作されて、対向試験等のためにデータベースの要求が入力されると、監視制御装置２０の例えば支援計算機２２が、通信装置２５を制御し、管理センターのデータベース管理装置１０に向けて、通信網ＮＷに要求信号を送信する。データベース管理装置１０からオブジェクトデータを受信すると、監視制御装置２０は、各計算機の試験エリア２０Ｃにオブジェクトデータを保存する。この後、監視制御装置２０の試験訓練計算機２３は、現地機器３１１～３１６の対向試験を実施し、試験エリア２０Ｃに保存されているオブジェクトデータ妥当性を調べる。妥当確認が終了すると、監視制御装置２０の試験訓練計算機２３は、データベース管理装置１０に対して、試験終了信号を送信する。 In addition, when the operator console 24 of the monitoring control device 20 is operated and a database request is input for a facing test or the like, for example, the support computer 22 of the monitoring control device 20 controls the communication device 25 to control the management center. A request signal is transmitted to the communication network NW toward the database management apparatus 10. When the object data is received from the database management device 10, the monitoring control device 20 stores the object data in the test area 20C of each computer. Thereafter, the test training computer 23 of the monitoring control device 20 performs an oncoming test of the field devices 311 to 316 and checks the validity of the object data stored in the test area 20C. When the validity check is completed, the test training computer 23 of the monitoring control device 20 transmits a test end signal to the database management device 10.
　この後、運転卓２４が操作されて、運用切替が入力されると、監視制御装置２０の例えば主計算機２１は、各計算機の将来エリア２０Ｂに保存されているオブジェクトデータを現用に切り替える。これにより、監視制御装置２０の主計算機２１は、将来エリア２０Ｂのオブジェクトデータを現用エリア２０Ａに保存する。これにより、運用切替が終了し、主計算機２１は、更新されたオブジェクトデータによる運用を開始する。このとき、監視制御装置２０は、オブジェクトデータの全部を切り替えるのは、システムの運用で負担になるので、オブジェクトデータに付加されている差分データを参照しながら、システムを運用している。 Thereafter, when the operation console 24 is operated and operation switching is input, for example, the main computer 21 of the monitoring control device 20 switches the object data stored in the future area 20B of each computer to the current one. As a result, the main computer 21 of the monitoring control device 20 saves the object data of the future area 20B in the working area 20A. As a result, the operation switching is completed, and the main computer 21 starts the operation using the updated object data. At this time, the monitoring and control apparatus 20 operates the system while referring to the difference data added to the object data because switching the entire object data is a burden in the operation of the system.
　バックアップ制御所は、制御所に異常等が発生して制御所が使用できなくなったときに、制御所をバックアップするためのものである。このために、バックアップ制御所には担当者が常駐することはなく、制御所と同じタイミングで運用切替等をすることはない。しかし、バックアップ制御所の運用開始により、制御所と同じように、バックアップ制御所は通信網ＮＷと情報集配信装置２４１、２４２と遠方監視装置３１１Ａ～３１６Ａとを経て、現地機器３１１～３１６とデータの送受信を行い、送受信したデータを基に、現地機器３１１～３１６の監視制御を行う。 The backup control station is for backing up the control station when an abnormality occurs in the control station and the control station cannot be used. For this reason, the person in charge is not resident at the backup control station, and the operation is not switched at the same timing as the control station. However, with the start of operation of the backup control station, the backup control station passes through the communication network NW, the information collection / distribution devices 241 and 242, and the remote monitoring devices 311A to 316A, and then the local devices 311 to 316 and data. The local devices 311 to 316 are monitored and controlled based on the transmitted and received data.
　バックアップ制御所の監視制御装置３０は、制御所と同じように、主計算機（ＭＰ）３１、支援計算機（ＳＰ）３２、試験訓練計算機（ＳＩＭ）３３、運転卓３４、および通信装置３５を備え、バックアップ制御所データベース（ＢＵ制御所ＤＢ）３７に、監視制御の対象である機器等に関するデータを保存している。この他にも、図示を省略しているが、監視制御装置３０は各種の計算機などを備えている。監視制御装置３０の主計算機３１は監視制御の主な機能を提供し、支援計算機３２は監視制御を支援する機能を提供する。試験訓練計算機３３は、現地機器３１１～３１６の対向試験を実施する。運転卓３４は監視制御のために担当者に操作される。通信装置３５は、通信網ＮＷを経た、各計算機によるデータの送受信を可能にする。 The monitoring control device 30 of the backup control center includes a main computer (MP) 31, a support computer (SP) 32, a test training computer (SIM) 33, a driver console 34, and a communication device 35, like the control center. The backup control center database (BU control center DB) 37 stores data related to devices and the like to be monitored and controlled. In addition, although not shown, the monitoring control device 30 includes various computers. The main computer 31 of the monitoring control device 30 provides the main function of monitoring control, and the support computer 32 provides the function of supporting monitoring control. The test training computer 33 performs a facing test on the field devices 311 to 316. The operator console 34 is operated by a person in charge for monitoring control. The communication device 35 enables transmission / reception of data by each computer via the communication network NW.
　監視制御装置３０では、主計算機３１～試験訓練計算機３３を含む各計算機が、オブジェクトデータ等を保存するエリアを持っている。この様子を図４に示す。監視制御装置３０の例えば主計算機３１は、制御所の監視制御装置２０と同様に、現用エリア３０Ａと将来エリア３０Ｂと試験エリア３０Ｃとを持つ。図４は、現用エリアにＤＢ１のオブジェクトデータが保存され、将来エリアと試験エリアとにＤＢ２のオブジェクトデータが保存されている状態を表している。そして、監視制御装置３０は、制御所の監視制御装置２０と同じように、現用エリア３０Ａのオブジェクトデータと共に差分データを参照しながら、システムを運用している。 In the monitoring control device 30, each computer including the main computer 31 to the test training computer 33 has an area for storing object data and the like. This is shown in FIG. For example, the main computer 31 of the monitoring control device 30 has a working area 30A, a future area 30B, and a test area 30C, as in the monitoring control device 20 of the control center. FIG. 4 shows a state in which DB1 object data is stored in the current area, and DB2 object data is stored in the future area and the test area. The monitoring control device 30 operates the system while referring to the difference data together with the object data in the active area 30A, like the monitoring control device 20 of the control center.
　バックアップ制御所の監視制御装置３０は、さらに、差分生成サーバ３６を備えている。差分生成サーバ３６は、常時動作状態にあり、また、差分データを作成する機能を持つ。つまり、後述のテーブル配信処理により、監視制御装置３０に対して、制御所の監視制御装置２０からオブジェクトデータが配信されると、バックアップ制御所が無人の状態であっても、差分生成サーバ３６は、前回受信したオブジェクトデータと、今回受信したオブジェクトデータとの差分データを生成して保存する。制御所の監視制御装置２０がオブジェクトデータを配信する毎に、差分生成サーバ３６は、こうした差分データ生成処理を実行する。 The monitoring control device 30 at the backup control center further includes a difference generation server 36. The difference generation server 36 is always in an operating state and has a function of creating difference data. That is, when the object data is distributed from the monitoring control device 20 of the control center to the monitoring control device 30 by the table distribution processing described later, even if the backup control center is unmanned, the difference generation server 36 The difference data between the object data received last time and the object data received this time is generated and stored. The difference generation server 36 executes such a difference data generation process every time the monitoring control device 20 of the control station distributes object data.
　次に、管理センターのデータベース管理装置１０と、制御所の監視制御装置２０と、バックアップ制御所の監視制御装置３０との間で行われるテーブル配信、つまりオブジェクトデータや差分データの配信について、この実施の形態による監視制御システムの作用と共に説明する。 Next, the table distribution performed between the database management apparatus 10 of the management center, the monitoring control apparatus 20 of the control center, and the monitoring control apparatus 30 of the backup control center, that is, the distribution of object data and difference data is performed in this manner. The operation of the supervisory control system according to the embodiment will be described.
　電力設備の変更工事等があると、これによる現地機器の変更は、制御所の例えば監視制御装置２０の支援計算機２２から、管理センターのデータベース管理装置１０に送信される。これにより、データベース管理装置１０は差分データを生成する。 When there is a power facility change work or the like, the change of the local equipment due to this is transmitted from the support computer 22 of the monitoring control device 20 to the database management device 10 of the management center. Thereby, the database management apparatus 10 produces | generates difference data.
　この後、制御所では、監視制御装置２０の運転卓２４が操作されて、最新のオブジェクトデータの対向試験実施が入力されると、監視制御装置２０の支援計算機２２は、対向試験のためのデータベースの要求信号を、管理センターのデータベース管理装置１０に送信する。これを受けて、データベース管理装置１０は、マスターデータと差分データとを基に、最新のオブジェクトデータを生成する。この後、データベース管理装置１０は、図５に示すように、制御所の監視制御装置２０の試験訓練計算機２３の試験エリアに、生成したオブジェクトデータと差分データとを送信し、試験のためのオブジェクトデータの等価をする（ステップＳ１）。 Thereafter, in the control station, when the operator's console 24 of the monitoring control device 20 is operated and the opposite test execution of the latest object data is input, the support computer 22 of the monitoring control device 20 stores the database for the opposite test. Is sent to the database management apparatus 10 of the management center. In response to this, the database management apparatus 10 generates the latest object data based on the master data and the difference data. Thereafter, as shown in FIG. 5, the database management device 10 transmits the generated object data and difference data to the test area of the test training computer 23 of the monitoring control device 20 of the control station, and the object for testing Data is equivalent (step S1).
　制御所の監視制御装置２０の試験訓練計算機２３は、オブジェクトデータと差分データとから成るデータベースを管理センターのデータベース管理装置１０から受信すると、現地機器３１１～３１６の対向試験を行う。試験訓練計算機２３は、オブジェクトデータの妥当性を確認すると、運用切替の準備のためのデータベースの要求信号を、管理センターのデータベース管理装置１０に送信する。これを受けて、データベース管理装置１０は、最新のオブジェクトデータと差分データとを、制御所の各計算機の将来エリアに送信し、オブジェクトデータの等価をする（ステップＳ２）。 When the test training computer 23 of the supervisory control device 20 at the control station receives the database composed of the object data and the difference data from the database management device 10 at the management center, the test training computer 23 conducts an oncoming test of the local devices 311 to 316. Upon confirming the validity of the object data, the test training computer 23 transmits a database request signal for preparation for operation switching to the database management apparatus 10 of the management center. In response to this, the database management apparatus 10 transmits the latest object data and difference data to the future area of each computer in the control center, and equalizes the object data (step S2).
　この後、制御所の運転卓２４が操作されて、運用切替が入力されると、各計算機の将来エリアの最新のオブジェクトデータと、現用エリアのオブジェクトデータとを切り替える（ステップＳ３）。これにより、制御所の主計算機２１は、最新のオブジェクトデータと差分データとにより、現地機器３１１～３１６の監視制御を行う。 Thereafter, when the operation console 24 is operated and operation switching is input, the latest object data of the future area of each computer and the object data of the working area are switched (step S3). As a result, the main computer 21 of the control center performs monitoring control of the local devices 311 to 316 using the latest object data and difference data.
　ステップＳ３が終了すると、制御所の監視制御装置２０は、所定の制約の基で、試験訓練計算機２３からバックアップ制御所の監視制御装置３０に、オブジェクトデータを配信する（ステップＳ４）。監視制御装置２０は、テーブル配信に関する次の機能要求を基に、バックアップ制御所の監視制御装置３０にオブジェクトデータを送信する。
（１）オブジェクトデータの配信先エリアは将来エリアと試験エリアとする。
（２）テーブル配信処理は、バックアップ制御所の計算機の将来エリア、試験エリアに対してオブジェクトデータを配信するために、オンライン業務に影響を与えることはない。
（３）テーブル配信要求時に、配信対象のオブジェクトデータに対するバージョン情報およびメンテナンス件名情報を送信することにより、データベース管理装置、制御所の監視制御装置およびバックアップ制御所の監視制御装置との間のオブジェクトデータのバージョン一致を保障する。
（４）制御所では、バックアップ制御所の主計算機へのオブジェクトデータの配信完了までを同調監視する。オブジェクトデータの配信後のバックアップ制御所向けデータ変更処理、差分データ生成処理および各計算機へのデータ配信処理については、バックアップ制御所で監視を実施し、故障が発生した場合は制御所へ通知する。 When step S3 ends, the monitoring control device 20 at the control center distributes object data from the test training computer 23 to the monitoring control device 30 at the backup control center under predetermined restrictions (step S4). The monitoring control device 20 transmits the object data to the monitoring control device 30 at the backup control center based on the next function request regarding table distribution.
(1) The distribution area of object data is a future area and a test area.
(2) The table distribution process distributes the object data to the future area and the test area of the computer at the backup control center, and thus does not affect the online operation.
(3) Object data between the database management device, the monitoring control device of the control center, and the monitoring control device of the backup control center by transmitting version information and maintenance subject information for the object data to be distributed at the time of table distribution request Ensure version matching.
(4) The control station performs synchronous monitoring until the completion of distribution of the object data to the main computer of the backup control station. The data change processing for the backup control center after the distribution of the object data, the differential data generation processing, and the data distribution processing to each computer are monitored at the backup control center and notified to the control center when a failure occurs.
　以上の４つの機能要求を基に、制御所の監視制御装置２０は、次の受付条件をすべて満たす場合、実行確認ダイアログを表示する。なお、１つでも受付条件を満たさない場合、監視制御装置２０は、メッセージダイアログを表示して、処理を中止する。
（１）将来エリアへの配信は、配信処理対象のメンテナンス件名の状態が「試験実施済」で、かつ、整合性チェックの実施状態が「済」である。試験エリアへの配信は、配信処理対象のメンテナンス件名が「自局試験実施済」、「試験実施済」で、かつ、整合性チェックの実施状態が「済」である。
（２）配信処理対象のメンテナンス件名のデータ生成状態は、「済」である。
（３）試験訓練計算機の運転モードが確立している。（「停止」モードも含む。）
（４）制御所の試験訓練計算機とバックアップ制御所の主計算機との通信が可能である。
（５）バックアップ制御所でデータメンテナンス中でない。（データ等価中、運用切替中、ＰＯＳ切替中でない。）
（６）バックアップ制御所の配信対象計算機の運転モードが確立している。（「停止」モードも含む。）
（７）バックアップ制御所のデータベースの差分生成サーバの運転モードが確立している。
（８）制御所でバックアップ制御所向けにテーブル配信中でない。 Based on the above four function requests, the monitoring control device 20 of the control center displays an execution confirmation dialog when all of the following acceptance conditions are satisfied. If even one reception condition is not satisfied, the monitoring control device 20 displays a message dialog and stops the process.
(1) For distribution to the future area, the status of the maintenance subject to be distributed is “tested” and the consistency check is “completed”. In the distribution to the test area, the maintenance subject of the distribution process is “Self-run test has been performed” and “Test has been performed”, and the consistency check is being performed.
(2) The data generation state of the maintenance subject to be distributed is “done”.
(3) The operation mode of the test training computer has been established. (Including “stop” mode)
(4) Communication between the test training computer at the control center and the main computer at the backup control center is possible.
(5) Data maintenance is not in progress at the backup control station. (During data equivalence, operation switching, POS switching is not in progress.)
(6) The operation mode of the distribution target computer of the backup control center is established. (Including “stop” mode)
(7) The operation mode of the difference generation server in the backup control center database is established.
(8) The table is not being distributed to the backup control station at the control station.
　こうした制約の基で、具体的には、次の手順でオブジェクトデータの、将来エリアに対する配信が行われる。制御所の監視制御装置２０では、運転卓２４による一連の操作オペレーションにより、先ず、図６（ａ）に示すように、試験実施済みのメンテナンス件名を担当者が選択する。なお、図６（ａ）では、ハッチ部分により選択を表している。メンテナンス件名が選択されると、図６（ｂ）に示すように、「運用切替準備」の釦が担当者によって選択される。この後、図６（ｃ）に示すように、運用切替準備を実行するための確認ダイヤログで、「実行」が選択されると、図６（ｄ）に示すように、運用切替準備実行中を表すダイヤログにより、運用切替準備中であることが確認される。 Based on these restrictions, specifically, object data is distributed to future areas in the following procedure. In the monitoring control device 20 of the control center, first, as shown in FIG. 6A, the person in charge selects a maintenance subject that has been tested as a result of a series of operation operations by the console 24. In FIG. 6A, selection is represented by hatched portions. When the maintenance subject is selected, as shown in FIG. 6B, the “preparation for operation switching” button is selected by the person in charge. Thereafter, when “execute” is selected in the confirmation dialog for executing the operation switching preparation as shown in FIG. 6C, the operation switching preparation is being executed as shown in FIG. 6D. Is confirmed that the operation switching preparation is in progress.
　制御所で運用切替準備が完了すると、図６（ｅ）に示すように、テーブル配信実行の確認ダイヤログが表示される。この確認ダイヤログで「実行」が選択されると、図６（ｆ）に示すように、テーブル配信の実行中を示す処理中ダイヤログが表示される。これにより、バックアップ制御所の監視制御装置３０には、運用切替準備の段階で、制御所の監視制御装置２０がオブジェクトデータを送信する。 When preparation for operation switching is completed at the control center, a confirmation dialog for executing table distribution is displayed as shown in FIG. When “execution” is selected in this confirmation dialog, a processing dialog indicating that table distribution is being executed is displayed as shown in FIG. As a result, the monitoring control apparatus 20 at the control center transmits object data to the monitoring control apparatus 30 at the backup control station at the stage of preparation for operation switching.
　また、次の手順でオブジェクトデータの、試験エリアに対する配信も可能である。バックアップ制御所の監視制御装置３０の試験エリアへの配信手順は、制御所の計算機別メンテナンス状態一覧画面より実施する。先ず、図７（ａ）に示すように、試験実施済みのメンテナンス件名を担当者が選択する。メンテナンス件名が選択されると、図７（ｂ）に示すように、「ＢＵ制御所配信」の釦が担当者によって選択される。この後、図７（ｃ）に示すように、テーブル配信エリア選択の確認ダイヤログで、「試験エリア」と「実行」が選択されると、図７（ｄ）に示すように、テーブル配信実行中を表すダイヤログにより、ＢＵ制御所配信中であることが確認される。 Also, object data can be distributed to the test area by the following procedure. The distribution procedure to the test area of the monitoring control device 30 of the backup control center is performed from the computer-by-computer maintenance status list screen. First, as shown in FIG. 7A, the person in charge selects a maintenance subject that has been tested. When the maintenance subject is selected, the “BU control station distribution” button is selected by the person in charge as shown in FIG. Thereafter, as shown in FIG. 7C, when “test area” and “execution” are selected in the confirmation dialog for selecting the table distribution area, the table distribution execution is performed as shown in FIG. 7D. It is confirmed that the BU control center is being distributed by the dialog representing the inside.
　こうして、ステップＳ４で、制御所の試験訓練計算機２３からバックアップ制御所の監視制御装置３０にオブジェクトデータが配信されると、バックアップ制御所では、監視制御装置３０の差分生成サーバ３６が、制御所の監視制御装置２０から配信されたオブジェクトデータを受信する。差分生成サーバ３６は、前回受信したオブジェクトデータと、今回受信したオブジェクトデータとの差分データを生成して保存する。通常、制御所からは、メンテナンス件名に応じてオブジェクトデータが配信されてくるので、差分生成サーバ３６は、各メンテナンス件名毎に、前回のオブジェクトデータとの差分データを順次に保存していく。つまり、差分生成サーバ３６は、制御所での運用切替に同調して、差分データを生成する。 Thus, in step S4, when the object data is distributed from the test training computer 23 of the control center to the monitoring control device 30 of the backup control center, the difference generation server 36 of the monitoring control device 30 in the backup control center The object data distributed from the monitoring control device 20 is received. The difference generation server 36 generates and stores difference data between the object data received last time and the object data received this time. Normally, the object data is distributed from the control station according to the maintenance subject, so the difference generation server 36 sequentially stores the difference data from the previous object data for each maintenance subject. That is, the difference generation server 36 generates difference data in synchronization with operation switching at the control center.
　もし、バックアップ制御所が動作状態にされているときに、ステップＳ４が実行されると、つまり、オブジェクトデータの配信があると、バックアップ制御所の主計算機３１は、受信したオブジェクトデータを将来エリアに保存する。また、先に述べたように、受信したオブジェクトデータを基に差分生成サーバ３６が差分データを生成する。一方、ステップＳ４で、試験エリアに対する配信が実行されると、主計算機３１は、受信したオブジェクトデータを試験エリアに保存する。この場合には、バックアップ制御所において、現地機器３１１～３１６の対向試験が可能である。 If step S4 is executed when the backup control center is in an operating state, that is, if there is distribution of object data, the main computer 31 of the backup control center places the received object data in the future area. save. Further, as described above, the difference generation server 36 generates difference data based on the received object data. On the other hand, when distribution to the test area is executed in step S4, the main computer 31 stores the received object data in the test area. In this case, the on-site testing of the local devices 311 to 316 can be performed at the backup control station.
　バックアップ制御所の主計算機３１がステップＳ４でオブジェクトデータを受信した後、バックアップ制御所で運用切替が入力されると、各計算機の将来エリアの最新のオブジェクトデータと、現用エリアのオブジェクトデータとが切り替えられる（ステップＳ５）。そして、主計算機３１は、差分生成サーバ３６が生成した差分データを読み出し、受信した最新のオブジェクトデータと差分データとにより、現地機器３１１～３１６の監視制御を行う。 After the main computer 31 at the backup control station receives the object data in step S4, when operation switching is input at the backup control center, the latest object data in the future area of each computer and the object data in the working area are switched. (Step S5). Then, the main computer 31 reads the difference data generated by the difference generation server 36 and performs monitoring control of the local devices 311 to 316 based on the latest received object data and difference data.
　ところで、バックアップ制御所は、例えば制御所が使用できなくなった場合に運用されるので、バックアップ制御所には担当者が常駐することがない。このために、通常、バックアップ制御所では、制御所と同じタイミングで運用切替が行われることはない。例えば、図８に示すように、主計算機３１の現用エリア３０ＢにＤＢ３のオブジェクトデータが配信された場合、現用エリア３０ＡのオブジェクトデータがＤＢ１であることがある。制御所であれば、メンテナンス件名に応じて順次に運用切替が行われるので、現用エリア３０ＡのオブジェクトデータはＤＢ２になる。しかし、バックアップ制御所には担当者が常駐しないので、図８のケースでは、ＤＢ２のオブジェクトデータが配信されても、運用切替が行われていない。 By the way, the backup control center is operated when, for example, the control center becomes unusable, so that a person in charge does not reside in the backup control center. For this reason, operation switching is not normally performed at the same timing as the control station at the backup control station. For example, as shown in FIG. 8, when the object data of DB3 is distributed to the working area 30B of the main computer 31, the object data of the working area 30A may be DB1. If it is a control center, operation switching is sequentially performed according to the maintenance subject, so the object data of the active area 30A is DB2. However, since the person in charge is not resident at the backup control center, in the case of FIG. 8, even if the object data of DB2 is distributed, the operation is not switched.
　そして、図８のケースで運用切替が行われると、主計算機３１は、ＤＢ３のオブジェクトデータと共にＤＢ３とＤＢ１との差分データを参照して、現地機器３１１～３１６の監視制御を行う。一方、先に述べたように、差分生成サーバ３６は、オブジェクトデータを受信する毎に差分データを生成している。つまり、図８のケースでは、差分生成サーバ３６は、ＤＢ２とＤＢ１との差分データと、ＤＢ３とＤＢ２との差分データとを生成している。したがって、主計算機３１は、ＤＢ３とＤＢ１との差分データとして、ＤＢ２とＤＢ１との差分データと、ＤＢ３とＤＢ２との差分データとを差分生成サーバ３６から読み出し、これらの差分データとＤＢ３のオブジェクトデータとを用いて現地機器３１１～３１６の監視制御を行う。 Then, when the operation is switched in the case of FIG. 8, the main computer 31 refers to the difference data between DB3 and DB1 together with the object data of DB3, and performs monitoring control of the local devices 311 to 316. On the other hand, as described above, the difference generation server 36 generates difference data every time it receives object data. That is, in the case of FIG. 8, the difference generation server 36 generates difference data between DB2 and DB1 and difference data between DB3 and DB2. Therefore, the main computer 31 reads the difference data between DB2 and DB1 and the difference data between DB3 and DB2 from the difference generation server 36 as the difference data between DB3 and DB1, and these difference data and the object data of DB3. Are used to monitor and control the local devices 311 to 316.
　もし、バックアップ制御所が制御所と同じ用に、データベース管理装置１０から配信されたＤＢ３のオブジェクトデータと、ＤＢ３とＤＢ２との差分データとを用いると、主計算機３１が必要とする差分データと、オブジェクトデータとは不整合となり、運用に支障が発生する可能性がある。 If the backup control station is the same as the control station, using the object data of DB3 distributed from the database management apparatus 10 and the difference data between DB3 and DB2, the difference data required by the main computer 31; It becomes inconsistent with the object data and may cause trouble in operation.
　こうして、この実施の形態によれば、従来の制御中継所を不要にしたので、データベースの変換や制御中継所の監視制御装置へのデータベース組込み作業や、データベースをバックアップ用に変換することを省略することができる。また、この実施の形態によれば、バックアップ制御所の監視制御装置３０は、試験訓練計算機２３からオブジェクトデータの配信を受けるので、現地機器３１１～３１６の対向試験を省略することを可能にする。さらに、この実施の形態によれば、バックアップ制御所の監視制御装置３０において、現用エリアのオブジェクトデータと、将来エリアのオブジェクトデータとが、制御所の運用切替に同調して配信されたものでなくても、現用エリアのオブジェクトデータと、将来エリアのオブジェクトデータとの差分に対応する差分データを用いて、バックアップ制御所の監視制御装置３０による、現地機器３１１～３１６の監視制御を行うことができる。 Thus, according to this embodiment, since the conventional control relay station is not required, the conversion of the database, the database incorporation work into the monitoring control device of the control relay station, and the conversion of the database for backup are omitted. be able to. Further, according to this embodiment, the monitoring control device 30 at the backup control center receives the distribution of object data from the test training computer 23, so that it is possible to omit the on-site test of the local devices 311 to 316. Further, according to this embodiment, the object data in the current area and the object data in the future area are not distributed in synchronization with the operation switching of the control station in the monitoring control device 30 of the backup control station. However, by using the difference data corresponding to the difference between the object data in the current area and the object data in the future area, the local equipment 311 to 316 can be monitored and controlled by the monitoring control device 30 at the backup control center. .
　（実施の形態２）
　この実施の形態では、実施の形態１におけるオブジェクトデータの配信を次のようにしている。実施の形態１では、バックアップ制御所に対するオブジェクトデータの配信を、制御所の担当者が手動で行っていた。これに対して、この実施の形態では、制御所の監視制御装置３０の試験訓練計算機２３がオブジェクトデータを受信したタイミング、または、制御所の運転卓２４に運用切替準備指示が入力されたタイミングで、制御所の試験訓練計算機２３がバックアップ制御所の差分生成サーバ３６に配信する。 (Embodiment 2)
In this embodiment, the distribution of object data in the first embodiment is performed as follows. In the first embodiment, the person in charge at the control station manually distributes the object data to the backup control station. On the other hand, in this embodiment, at the timing when the test training computer 23 of the monitoring control device 30 of the control station receives the object data, or when the operation switching preparation instruction is input to the console 24 of the control station. The test training computer 23 in the control center distributes it to the difference generation server 36 in the backup control center.
　この実施の形態によれば、制御所の監視制御装置２０からバックアップ制御所の監視制御装置３０に対するオブジェクトデータの配信を、自動で行うことができる。 According to this embodiment, distribution of object data from the monitoring control device 20 at the control center to the monitoring control device 30 at the backup control center can be automatically performed.
１０　データベース管理装置
２０、３０　監視制御装置
　２１、３１　主計算機
　２２、３２　支援計算機
　２３、３３　試験訓練計算機
　２４、３４　運転卓
　２５、３５　通信装置
　２６、３７　制御所データベース
　３６　差分生成サーバ DESCRIPTION OF SYMBOLS 10 Database management apparatus 20, 30 Monitoring control apparatus 21, 31 Main computer 22, 32 Support computer 23, 33 Test training computer 24, 34 Driver's console 25, 35 Communication apparatus 26, 37 Control station database 36 Difference production | generation server

Claims (3)

  1. 　電力系統で用いられている遮断器等の現地機器に関するデータをマスターデータとして保存し、現地機器に変更があると、この変更に応じた差分データを生成し、前記マスターデータと前記差分データとからオブジェクトデータを生成して配信するデータベース管理装置と、
    　前記データベース管理装置からオブジェクトデータと差分データとを受信すると、このオブジェクトデータと差分データとを使用して前記現地機器の監視制御を行うと共に受信したオブジェクトデータを配信する、制御所の監視制御装置と、
    　前記制御所の監視制御装置からオブジェクトデータを受信すると、今回受信したオブジェクトデータと前回受信したオブジェクトデータとを基に差分データを生成して保存し、今回受信したオブジェクトデータと保存してある差分データとを現地機器の監視制御に使用する、バックアップ制御所の監視制御装置と、
    を備えることを特徴とする監視制御システム。     Data related to local equipment such as circuit breakers used in the electric power system is stored as master data, and when there is a change in the local equipment, differential data corresponding to this change is generated, and the master data and the differential data are used. A database management device for generating and distributing object data;
    When the object data and the difference data are received from the database management device, the object control data and the difference data are used to monitor and control the local equipment and distribute the received object data. ,
    When the object data is received from the monitoring control device of the control station, difference data is generated and stored based on the object data received this time and the object data received last time, and the object data received this time and the difference data stored Is used for monitoring and controlling local equipment,
    A supervisory control system comprising:
  2. 　前記制御所の監視制御装置は、前記データベース管理装置からオブジェクトデータと差分データとを受信すると、このオブジェクトデータの対向試験を行い、この対向試験の終了後にこのオブジェクトデータを配信する、
    ことを特徴とする請求項１に記載の監視制御システム。     When the monitoring control device of the control station receives the object data and the difference data from the database management device, it performs a facing test of the object data, and distributes the object data after the facing test ends.
    The supervisory control system according to claim 1.
  3. 　前記バックアップ制御所の監視制御装置は、今回受信したオブジェクトデータと、現用のオブジェクトデータとの差分に対応する差分データを、現地機器の監視制御の際に使用する、
    ことを特徴とする請求項１または２に記載の監視制御システム。     The monitoring control device of the backup control station uses the difference data corresponding to the difference between the object data received this time and the current object data in the monitoring control of the local equipment.
    The supervisory control system according to claim 1 or 2.
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