CN114019839A - Power grid load batch control system - Google Patents
Power grid load batch control system Download PDFInfo
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- CN114019839A CN114019839A CN202111111704.2A CN202111111704A CN114019839A CN 114019839 A CN114019839 A CN 114019839A CN 202111111704 A CN202111111704 A CN 202111111704A CN 114019839 A CN114019839 A CN 114019839A
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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Abstract
The invention relates to a power grid load batch control system, which is characterized in that: the intelligent line selection system comprises a province and local interaction interface, an integrated interface, a control execution module, a province and local interaction module, a model maintenance module, a multi-state mode module, an intelligent line selection strategy module, a real-time state monitoring module, an authority security management module and a statistical analysis module. Load batch control follows an integrated principle, the load batch control is based on the existing dispatching control system basic platform and a relational database generation model and is transmitted through an interface, a control instruction is rapidly transmitted after the load batch control is received, the equipment state of real-time database data acquisition is transmitted to a system, and maintenance management and intelligent line selection of a batch control load sequence are realized through a human-computer interface and authority management; the load batch control function utilizes the existing remote control point table information and data transmission channel to realize remote operation control on the circuit breaker of the transformer substation, and transmits real-time switchable load and control result data to the upper-level regulation and control system.
Description
Technical Field
The invention belongs to the field of power grid dispatching, relates to a control system, and particularly relates to a power grid load batch control system.
Background
Along with the construction of a large-operation system, the regulation and control are integrated deeply, and the contradiction that the traditional single circuit breaker circuit-pulling and current-limiting means is low in efficiency is obvious. Through statistics, about 10 ten thousand load control circuit breakers in a general area need about 35 minutes, and the requirement of limiting a large amount of load control circuit breakers in a short time cannot be met. In order to deal with the impact on a power grid caused by extreme conditions such as extra-high voltage direct current bipolar blocking, large-area natural disasters and the like, on the basis of remote control of a breaker, a function of deploying and deploying load rapid batch control application is required. According to the circuit-pulling electricity-limiting sequence position table, province, county and county dispatch cooperative work is performed, the load of a power grid is reduced in the shortest time, the safe and stable operation of the large power grid is guaranteed, the supporting capacity of a dispatch control technology is improved, and the emergency disposal level of power grid faults is improved.
Under the extreme condition of the power grid, a circuit-pulling and power-limiting emergency load control measure needs to be taken to ensure the safe and stable operation of the power grid, and the extreme condition mainly comprises the following three conditions: firstly, the extra-high voltage direct current end is locked due to direct current faults, so that severe consequences such as power grid instability, frequency and voltage reduction and the like are caused; secondly, the grid in the local area is limited due to the grid structure, and severe power shortage is generated when the grid is damaged; thirdly, the power grid is seriously failed due to large-area natural disasters.
In order to ensure that the operation of limiting the power by pulling the circuit is quickly, effectively and safely executed, the power grid regulation and control load batch control function is required to be built in an integrated dispatching control system of prefectures and counties in each region.
However, in practice, no system is available to combine with production practice to ensure the operation of the power grid to be stable and reliable. Therefore, it is necessary to design a system for controlling the load of the power grid in batch.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a power grid load batch control system which is convenient to operate, stable and reliable in power grid operation and easy to realize.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a power grid load batch control system which characterized in that: comprises a provincial and local interaction interface, an integrated interface, a control execution module, a provincial and local interaction module, a model maintenance module, a multi-state mode module, an intelligent route selection strategy module, a real-time state monitoring module, an authority security management module and a statistical analysis module,
the provincial and local interaction interface is connected with the provincial and local interaction module and used for acquiring a control instruction of the provincial dispatching master station and carrying out load data interaction with the provincial dispatching master station;
the integrated interface is used for acquiring the states of the model and the equipment in the basic platform and sending a control instruction to the model and the equipment;
the control execution module is used for adopting a multi-turn control method for the control sequence, and automatically completing the preset command, the preset returning and correction confirmation and the execution command issuing for the operation of each circuit breaker by a background in the control process;
the model maintenance module is used for defining the area of the switch;
the multi-state mode module is used for acquiring the running state of the system;
the intelligent line selection strategy module is used for automatically selecting a line by using a real-time section load according to a control load target value and a preset control strategy and filtering conditions, screening out a circuit breaker sequence which is not less than the control load target value, then generating a control sequence according to the priority, the load size and the region range, then filtering the circuit breaker locked by the hanging plate, and manually correcting the circuit breaker sequence; filtering the uncontrollable switches according to the area to which the current scheme containing the switches belongs when the control sequence is generated according to the area filtering, finally displaying the selection result of each switch and the function of the reasons which are not selected in a list, and defining the area to which the switches belong when the control sequence is maintained through a scheme information model; if a certain switch is not automatically filtered by the system in the selected area range under the scheme;
the real-time state monitoring module is used for monitoring the running state of the load batch control system in real time, so that a user can conveniently master the running real-time state of the system;
the authority security management module is used for ensuring the login security of the power grid load batch control system;
the statistical analysis module is used for calculating the total load of various types of classifications.
Moreover, the real-time monitoring on the running state of the load batch control system comprises monitoring on machine nodes which are not started, are in a preset state, are in an execution state and are started.
Moreover, the integrated interface comprises a model interface, a real-time library interface and a remote control interface.
Moreover, the basic platform is a DF8003E system, which includes a relational library, a SCADA, and a real-time library.
The invention has the advantages and positive effects that:
according to the power grid load batch control system, the current control result information can be checked in the load batch control process, and the current control result information comprises information such as control time of each turn and the whole sequence, the number of control circuit breakers, the control success rate of the circuit breakers, the removed load value and the removed load percentage. All control results are stored in a log form and can be used for post statistical analysis.
The control result is counted in real time in the control process, and key information including control time, the number of successful control switches, the success rate of switch control, load shedding, the percentage of load shedding, the number of lines which are shed and the like can be counted and displayed in real time.
The control results of each round are counted in real time in the control process, and key information of each round can be counted and displayed in real time, wherein the key information comprises control time of each round, the successful number of control switches of each round, the control success rate of each switch, load removal of each round, the percentage of load removal of each round and the like.
And in the control process, the log storage of a control result supports the statistics of key information of each turn and final statistics. And in the control process, historical query of a control result log supports display of the content of the control information log each time.
Drawings
FIG. 1 is a block schematic of the present invention;
FIG. 2 is a flow chart of the present invention.
Detailed Description
The embodiments of the invention are described in further detail below with reference to the following figures:
the utility model provides a power grid load batch control system which innovation point is: comprises a provincial and local interaction interface, an integrated interface, a control execution module, a provincial and local interaction module, a model maintenance module, a multi-state mode module, an intelligent route selection strategy module, a real-time state monitoring module, an authority security management module and a statistical analysis module,
the provincial and local interaction interface is connected with the provincial and local interaction module and used for acquiring a control instruction of the provincial dispatching master station and carrying out load data interaction with the provincial dispatching master station;
the integrated interface is used for acquiring the states of the model and the equipment in the basic platform and sending a control instruction to the model and the equipment;
the control execution module is used for adopting a multi-turn control method for the control sequence, and automatically completing the preset command, the preset returning and correction confirmation and the execution command issuing for the operation of each circuit breaker by a background in the control process;
the model maintenance module is used for defining the area of the switch;
the multi-state mode module is used for acquiring the running state of the system;
the intelligent line selection strategy module is used for automatically selecting a line by using a real-time section load according to a control load target value and a preset control strategy and filtering conditions, screening out a circuit breaker sequence which is not less than the control load target value, then generating a control sequence according to the priority, the load size and the region range, then filtering the circuit breaker locked by the hanging plate, and manually correcting the circuit breaker sequence; filtering the uncontrollable switches according to the area to which the current scheme containing the switches belongs when the control sequence is generated according to the area filtering, finally displaying the selection result of each switch and the function of the reasons which are not selected in a list, and defining the area to which the switches belong when the control sequence is maintained through a scheme information model; if a certain switch is not automatically filtered by the system in the selected area range under the scheme;
the real-time state monitoring module is used for monitoring the running state of the load batch control system in real time, so that a user can conveniently master the running real-time state of the system;
the authority security management module is used for ensuring the login security of the power grid load batch control system;
the statistical analysis module is used for calculating the total load of various types of classifications.
The real-time monitoring of the running state of the load batch control system comprises monitoring of machine nodes which are not started, are in a preset state, are in an execution state and are started.
The integrated interface comprises a model interface, a real-time library interface and a remote control interface.
The basic platform is a DF8003E system, which comprises a relational database, a SCADA and a real-time database.
Load batch control follows an integrated principle, the load batch control is based on the existing scheduling control system basic platform and a relational database generation model, the load batch control is sent through an interface, a control instruction is quickly sent after the load batch control is received, the equipment state of real-time database data acquisition is sent to a system, and maintenance management and intelligent line selection of a batch control load sequence are realized through a human-computer interface and authority management; the load batch control function utilizes the existing remote control point table information and data transmission channel to realize remote operation control on the circuit breaker of the transformer substation, and transmits real-time switchable load and control result data to the upper-level regulation and control system.
As shown in FIG. 2, the load batch control function supports a preset mode, an execution mode. And switching between modes requires corresponding authority to independently log in. The interfaces of the preset state and the execution state have obvious color distinction and text information prompt. In the control process, the load batch control function only allows the sending of a remote control preset instruction, does not send an execution operation, and only has the execution authority in the mode; in the control process, the load batch control function can normally send a remote control preset and execution instruction, and only a person with an execution authority can enter the mode.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a power grid load batch control system which characterized in that: comprises a provincial and local interaction interface, an integrated interface, a control execution module, a provincial and local interaction module, a model maintenance module, a multi-state mode module, an intelligent route selection strategy module, a real-time state monitoring module, an authority security management module and a statistical analysis module,
the provincial and local interaction interface is connected with the provincial and local interaction module and used for acquiring a control instruction of the provincial dispatching master station and carrying out load data interaction with the provincial dispatching master station;
the integrated interface is used for acquiring the states of the model and the equipment in the basic platform and sending a control instruction to the model and the equipment;
the control execution module is used for adopting a multi-turn control method for the control sequence, and automatically completing the preset command, the preset returning and correction confirmation and the execution command issuing for the operation of each circuit breaker by a background in the control process;
the model maintenance module is used for defining the area of the switch;
the multi-state mode module is used for acquiring the running state of the system;
the intelligent line selection strategy module is used for automatically selecting a line by using a real-time section load according to a control load target value and a preset control strategy and filtering conditions, screening out a circuit breaker sequence which is not less than the control load target value, then generating a control sequence according to the priority, the load size and the region range, then filtering the circuit breaker locked by the hanging plate, and manually correcting the circuit breaker sequence; filtering the uncontrollable switches according to the area to which the current scheme containing the switches belongs when the control sequence is generated according to the area filtering, finally displaying the selection result of each switch and the function of the reasons which are not selected in a list, and defining the area to which the switches belong when the control sequence is maintained through a scheme information model; if a certain switch is not automatically filtered by the system in the selected area range under the scheme;
the real-time state monitoring module is used for monitoring the running state of the load batch control system in real time, so that a user can conveniently master the running real-time state of the system;
the authority security management module is used for ensuring the login security of the power grid load batch control system;
the statistical analysis module is used for calculating the total load of various types of classifications.
2. The system of claim 1, wherein: the real-time monitoring of the running state of the load batch control system comprises monitoring of machine nodes which are not started, are in a preset state, are in an execution state and are started.
3. The system of claim 1, wherein: the integrated interface comprises a model interface, a real-time library interface and a remote control interface.
4. The system of claim 1, wherein: the basic platform is a DF8003E system, which comprises a relational database, a SCADA and a real-time database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111111704.2A CN114019839A (en) | 2021-09-23 | 2021-09-23 | Power grid load batch control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111111704.2A CN114019839A (en) | 2021-09-23 | 2021-09-23 | Power grid load batch control system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842961A (en) * | 2012-08-13 | 2012-12-26 | 中国电力科学研究院 | Quick cutting-off and rationing power assistant decision-making system of regional power grid |
| CN106786618A (en) * | 2016-12-09 | 2017-05-31 | 国电南瑞科技股份有限公司 | A kind of ground integrated load batch cooperative control method of province and system |
| CN108494089A (en) * | 2018-03-22 | 2018-09-04 | 国网天津市电力公司 | A kind of fast and safely reliably ration the power supply draws road mass-produced remote control method |
| CN111641215A (en) * | 2020-07-11 | 2020-09-08 | 李瑶 | Management and control system for load of load limiting device |
-
2021
- 2021-09-23 CN CN202111111704.2A patent/CN114019839A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842961A (en) * | 2012-08-13 | 2012-12-26 | 中国电力科学研究院 | Quick cutting-off and rationing power assistant decision-making system of regional power grid |
| CN106786618A (en) * | 2016-12-09 | 2017-05-31 | 国电南瑞科技股份有限公司 | A kind of ground integrated load batch cooperative control method of province and system |
| CN108494089A (en) * | 2018-03-22 | 2018-09-04 | 国网天津市电力公司 | A kind of fast and safely reliably ration the power supply draws road mass-produced remote control method |
| CN111641215A (en) * | 2020-07-11 | 2020-09-08 | 李瑶 | Management and control system for load of load limiting device |
Non-Patent Citations (1)
| Title |
|---|
| 刘艳;: "东方DF8003 SCADA系统在武汉电网的应用", 广西电力, no. 02, pages 33 - 35 * |
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