CN114552783B - Main and standby control right switching method of network-level power dispatching system - Google Patents
Main and standby control right switching method of network-level power dispatching system Download PDFInfo
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- 238000004146 energy storage Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
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- 238000010248 power generation Methods 0.000 claims description 3
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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Abstract
The invention discloses a master-slave control right switching method of a network-level power dispatching system, which comprises the following steps of 1) checking the running state of a system core application; 2) The advanced application function issuing the control command exits; 3) Exiting the automation control right and exiting the scheduling control right; 4) Disabling the control right of the system after the execution of the system control queue is finished; 5) And (5) front channel blocking control. After the master control right exits, the backup control system inputs the control right flow: 1) Checking the control right of a main dispatching system and the core application state of a standby dispatching system; 2) The front-end channel of the standby and regulating system is controlled in a recovery way; 3) Inputting automation and scheduling control rights and inputting system total control rights; 4) Advanced application function inputs for issuing control commands. The invention uniformly considers the processes of exiting the master control right and inputting the slave control right of the network-level dispatching system, and ensures the safe switching of the advanced application control function module and the manual control function of the power dispatching system between the master and slave dispatching.
Description
Technical Field
The invention relates to a master-slave control right switching method of a network-level power dispatching system, belonging to the technical field of dispatching system control rights.
Background
In order to improve the disaster resistance of the power dispatching system, the network-level power dispatching in China is provided with a main system and a standby system so as to realize synchronous duty and system seamless switching of main and standby operators and ensure that power dispatching command and control are not interrupted under various extreme conditions. During normal operation, the standby and regulating system has no control authority, only has the function of monitoring a disc, and cannot send control commands downwards. When the master regulation system is abnormal or has other reasons, and a remote control instruction needs to be issued by the slave regulation system, the control right needs to be switched to the slave regulation, and at the moment, the functions of automatic control, manual control and the like of AGC, AVC and the like of the slave regulation work normally, so that the safe and stable operation of a power grid is ensured. At present, the national standard of control right switching of a network-level dispatching system is not available, so that a practical and reliable network-level control right switching scheme and process are researched, and great value and significance are realized.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a master-slave control right switching method of a network-level power dispatching system, so as to solve the problem of switching of master-slave control right of the network-level power dispatching system.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a method for switching master control rights and slave control rights of a network-level power dispatching system, including:
the main regulation system enters a control right exit flow, which comprises the following steps:
checking the core application running state of the main regulating system;
when the application is normal, the advanced application function which issues the control command exits;
exiting the automation control right and exiting the scheduling control right;
disabling the system control right after the execution of the main dispatching system control queue is finished;
blocking and controlling the front channel;
when the control right of the main regulation system exits, the standby regulation system starts to input the control right, which comprises the following steps:
checking the control right of a main dispatching system and the core application state of a standby dispatching system;
when the control right of the main dispatching system is withdrawn, and the core application state of the standby dispatching system is normal, the front-end channel of the standby dispatching system is restored to control;
inputting automation and scheduling control rights and inputting system total control rights;
advanced application function inputs for issuing control commands.
Further, when the core application running state of the main regulation system is checked, when the application is checked to be abnormal, the abnormal application detection is continued until the application is restored to be normal, and then the next step is carried out.
Further, the advanced application function of issuing the control command includes: automatic power generation control, automatic voltage control, automatic direct current control, automatic energy storage control, automatic start-stop control of an energy storage power plant and planning issuing.
Further, when the advanced application function issuing the control command exits, each function module exits one by one until all the function modules successfully exit.
Further, the exiting automation control right and exiting scheduling control right include:
the automatic control right exits, which are logged in by an automation person and exit after checking the right;
the dispatch control authority exits by the dispatcher, and exits after checking the authority.
Further, the disabling the system control right after the waiting of the master control system control queue is completed includes:
waiting for a dispatching personnel and an automation personnel of the main dispatching system to manually exit the control right;
and after the execution of the main control system control queue is finished, exiting the system control right.
Further, the blocking of the pre-channel includes:
and blocking the front-end channel after the execution of the existing control queue is finished, wherein the front-end channel is responsible for the interaction of the control command, the control command is issued to the transformer substation through the front-end channel, and the gate issued by the last control is closed by blocking the front-end channel.
Further, in the control right process, the standby system starts to input the advanced application function of the control command, and the input function corresponds to the application function of the main system exiting.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for switching the master control right and the slave control right of a network-level power dispatching system, which uniformly considers the processes of exiting the master control right and inputting the slave control right of the network-level dispatching system, ensures the safe switching of a high-level application control function module and a manual control function of the power dispatching system between the master control right and the slave control right, provides a practical and reliable network-level control right switching scheme and process, and has great value and significance.
Drawings
FIG. 1 is a flow chart of a master/slave control right switching method of a network-level power dispatching system;
fig. 2 and fig. 3 are diagrams illustrating an example of a master/slave control right switching tool of a network-level power dispatching system according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Example 1
The embodiment introduces a master/slave control right switching method of a network-level power dispatching system, which comprises the following steps:
the main regulation system enters a control right exit flow, which comprises the following steps:
checking the core application running state of the main regulating system;
when the application is normal, the advanced application function which issues the control command exits;
exiting the automation control right and exiting the scheduling control right;
disabling the system control right after the execution of the main dispatching system control queue is finished;
blocking and controlling the front channel;
when the control right of the main regulation system exits, the standby regulation system starts to input the control right, which comprises the following steps:
checking the control right of a main dispatching system and the core application state of a standby dispatching system;
when the control right of the main dispatching system is withdrawn, and the core application state of the standby dispatching system is normal, the front-end channel of the standby dispatching system is restored to control;
inputting automation and scheduling control rights and inputting system total control rights;
advanced application function inputs for issuing control commands.
As shown in fig. 1, the application process of the master/slave control right switching method of the network-level power dispatching system provided in this embodiment specifically involves the following steps:
1) And checking the core application state of the main regulating system. And normally carrying out the next step, otherwise, checking abnormal application, and entering the next step after the normal application is recovered.
2) Advanced application functions issuing control commands exit. These application functions mainly include: automatic power generation control, automatic voltage control, automatic direct current control, automatic energy storage control, automatic start-stop control of an energy storage power plant, planning issuing and the like. Each functional module exits one by one until all successfully exits.
3) Exiting the automation control right and exiting the scheduling control right. The automatic control right exits, which are logged in by an automation person and exit after checking the right; the dispatching control right is logged in by the dispatching personnel, and exits after checking the right.
4) And prohibiting the control right of the system after the execution of the system control queue is finished. After the scheduling and the automatic control right are exited, considering that the system may have control commands being executed, the system control right is exited after the execution of the stock control is waited.
5) And (5) front channel blocking control. The front-end module is responsible for interaction, and can be blocked after the execution of the existing control queue is completed. In addition, a control command is issued to the transformer substation through the prepositive part, and the gate issued by the last control is closed through blocking the prepositive channel.
After the left part of the flow chart of figure 1 is executed, the standby and regulating system can start to input control right, and the control right input step and the exit basically keep the reverse sequence relation, and the steps are as follows:
1) And checking the control right of the main dispatching system and the core application state of the standby dispatching system. Firstly, confirming that the control right of the master control system is withdrawn, and ensuring that the core application state of the backup control system is normal.
2) And restoring the control of the front-end channel of the standby and regulating system.
3) Inputting automation and scheduling control rights and inputting system total control rights;
4) Advanced application function inputs for issuing control commands. The input function corresponds to the function of the main call exit.
The matters devised in the above embodiments are explained below in connection with a preferred embodiment.
The master control right and standby control right switching implementation of the network-level power dispatching system is shown in fig. 2 and 3, wherein keys such as tool login, automation, dispatching control right exit and the like all have verification right links:
1) In the first combo box on the left side of fig. 2, it is shown whether the current system is a major key.
2) The second combo box on the left side of fig. 2 shows automation control, scheduling control, and overall control (system control).
3) The third combo box on the left side of fig. 2 shows the overall control of the contralateral system (system control).
4) The fourth combo box on the left side of fig. 2 shows the system critical application state.
5) AGC (automatic power control) and AVC (automatic voltage control) on the right side of fig. 2 refer to advanced application functions that issue control commands, and click-to-exit, i.e., exit, these functions. When the SCADA is clicked, the automatic control right is firstly prompted to exit, then the scheduling control right is prompted to exit, and finally the total control right is prompted to exit. Clicking to exit the front-end, front-end channel blocking control.
6) FIG. 3 is a dispatch control exit dialog box providing a dispatch control status display and a drop button.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (5)
1. A master/slave control right switching method of a network-level power dispatching system is characterized by comprising the following steps:
the main regulation system enters a control right exit flow, which comprises the following steps:
checking the core application running state of the main regulating system;
when the application is normal, the advanced application function which issues the control command exits;
exiting the automation control right and exiting the scheduling control right;
disabling the system control right after the execution of the main dispatching system control queue is finished;
blocking and controlling the front channel;
when the control right of the main regulation system exits, the standby regulation system starts to input the control right, which comprises the following steps:
checking the control right of a main dispatching system and the core application state of a standby dispatching system;
when the control right of the main dispatching system is withdrawn, and the core application state of the standby dispatching system is normal, the front-end channel of the standby dispatching system is restored to control;
inputting automation and scheduling control rights and inputting system total control rights;
advanced application function input for issuing control commands;
when the advanced application function issuing the control command exits, each function module exits one by one until all the function modules successfully exit;
the exiting automation control right and exiting scheduling control right comprise:
the automatic control right exits, which are logged in by an automation person and exit after checking the right;
the dispatch control right exits by the dispatcher, and exits after checking the right;
the blocking of the pre-channel comprises:
and blocking the front-end channel after the execution of the existing control queue is finished, wherein the front-end channel is responsible for the interaction of the next, the control command is issued to the transformer substation through the front-end channel, and the last command issued by the control is closed by blocking the front-end channel.
2. The master/slave control right switching method of a network-level power dispatching system according to claim 1, wherein the method comprises the steps of: and when the core application running state of the main regulating system is checked, when the application is checked to be abnormal, continuing to detect abnormal application until the application is restored to be normal, and then entering the next step.
3. The master/slave control right switching method of a network-level power dispatching system according to claim 1, wherein the method comprises the steps of: the high-level application function for issuing the control command comprises the following steps: automatic power generation control, automatic voltage control, automatic direct current control, automatic energy storage control, automatic start-stop control of an energy storage power plant and planning issuing.
4. The master/slave control right switching method of a network-level power dispatching system according to claim 1, wherein the method comprises the steps of: and prohibiting the control right of the system after the execution of the waiting master control system control queue is finished, comprising the following steps:
waiting for a dispatching personnel and an automation personnel of the main dispatching system to manually exit the control right;
and after the execution of the main control system control queue is finished, exiting the system control right.
5. The master/slave control right switching method of a network-level power dispatching system according to claim 1, wherein the method comprises the steps of: and the standby regulation system starts to input the advanced application function input of the control command in the control right inputting process, and the input function corresponds to the application function of the main regulation system exiting.
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| JP5030687B2 (en) * | 2007-06-29 | 2012-09-19 | 中国電力株式会社 | Supervisory control system |
| CN101917063A (en) * | 2010-07-23 | 2010-12-15 | 广东电网公司中山供电局 | Method and system for automatically switching master station-centralized spare power source |
| US9117251B2 (en) * | 2012-12-18 | 2015-08-25 | ThinkEco, Inc. | Systems and methods for plug load control and management |
| CN105515011B (en) * | 2015-12-04 | 2018-06-26 | 国网浙江省电力公司绍兴供电公司 | The control method for coordinating of ground county AVC cooperations |
| CN106340882B (en) * | 2016-09-22 | 2019-02-26 | 国电南瑞科技股份有限公司 | A kind of mutual Preparation Method of equity suitable for the regulation of power grid multi-region integration domain |
| CN113253643A (en) * | 2021-05-12 | 2021-08-13 | 南瑞集团有限公司 | Master-slave mode control method and management system based on D5000 master-slave mode control system |
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