CN109473974B - Power grid regulation and control operation self-adaptive programmed operation method and system - Google Patents
Power grid regulation and control operation self-adaptive programmed operation method and system Download PDFInfo
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- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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Abstract
The invention relates to a self-adaptive programmed operation method and a self-adaptive programmed operation system for power grid regulation and control operation. The invention provides a self-adaptive programmed operation method and a self-adaptive programmed operation system for power grid regulation and control operation, which realize self-adaptive judgment of a dispatching end of a power transmission line state, intelligent generation operation steps, one-key operation of the dispatching end and real-time safety check of the whole process, carry out optimization design aiming at a line transformer group, multi-station T connection, multi-station series connection and the like, meet the requirement of diversification of power grid connection forms, greatly improve the operation efficiency and safety, shorten the power failure time of equipment and provide effective support for high-quality service.
Description
Technical Field
The invention belongs to the technical field of power system power grid dispatching operation, and particularly relates to a power grid regulation operation self-adaptive programmed operation method and a power grid regulation operation self-adaptive programmed operation system.
Background
With the comprehensive promotion of the power grid regulation and control integration, the power grid dispatching, monitoring and control service is deeply integrated, the number of operation is increased in a well-spraying mode, the operation content is gradually complicated, and the bottleneck effect of the operation of a dispatching desk in a peak period is obvious. Under the current power grid regulation and control operation mode, the reporting links are multiple, the consumed time is long, the operation efficiency is low, personal and misoperation risks exist, the lean dispatching management requirements of a large power grid cannot be met, and the improvement of the customer service level is not facilitated.
Disclosure of Invention
The method aims to solve the problems of more reporting links, long time consumption and low operation efficiency in the power grid regulation and control operation mode. The invention provides a self-adaptive programmed operation method for power grid regulation and control operation and a self-adaptive programmed operation system for power grid regulation and control operation.
A self-adaptive programmed operation method for power grid regulation and control operation comprises the following steps:
s1: by scanning EMS system data in real time: carrying out data acquisition on the switching state of the power transmission line, and then carrying out acquisition on remote signaling and telemetering data quantity of voltage, active power, reactive power and current of the power transmission line;
s2: judging the running state of the power transmission line according to the collected power transmission line data;
s3: generating a power transmission line state switching operation task in a self-adaptive mode according to the running state of the power transmission line;
s4: establishing a logic library of correct operation steps of switching operation according to the generated power transmission line state switching operation task, and adaptively generating operation steps;
s5: formulating a five-prevention check logic and a safety check logic rule suitable for the network according to the five-prevention logic;
s6: in the operation process, the operation instruction is checked through the five-prevention check logic and the safety check logic rule, the operation is allowed through the check, and otherwise, the operation is not allowed.
Preferably, the criterion rule of the switching state of the power transmission line in S1 is specifically:
when the switch state criterion is operation, the switch position is closing, the transmission line side disconnecting link is closing, the bus side disconnecting link is closing, and the logic condition is AND;
when the switch state criterion is hot standby, the switch position is open, the transmission line side disconnecting link is closed, the bus side disconnecting link is closed, and the logic condition is AND;
when the switch state criterion is cold standby, the switch position is open, the transmission line side disconnecting link is opened, the bus side disconnecting link is opened, and the logic condition is AND.
Preferably, the criterion rule of the power transmission line state in S1 is specifically:
when each side switch on the transmission line is in an operating state, the voltage of the transmission line is greater than 40kV, the active power > =0kw, the reactive power > =0kvar and the current > =0kA, the logical condition is AND, and the criterion of the transmission line is operation;
when each side switch on the transmission line is in a hot standby state, the voltage of the transmission line is less than 1kV, the active power of the switch is less than 1kV, the reactive power of the switch is less than 1kvar, the current of the switch is less than 1kA, the logic condition is AND, and the criterion of the transmission line is hot standby;
when switches on all sides of the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logical condition is AND, and the criterion of the power transmission line is cold standby;
when the switches on all sides of the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logic condition is AND, and the criterion of the power transmission line is in a maintenance state.
Preferably, the state transition task of the operating state of the power transmission line in S2 corresponds to specifically:
possible conversion tasks of the power transmission line in the running state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the hot standby state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the cold standby state comprise a maintenance state, a hot standby state and an operation state; possible conversion tasks of the power transmission line in the maintenance state comprise a cold standby state, a hot standby state and an operation state.
The invention also provides a self-adaptive programmed operation system for power grid regulation and control operation, which comprises
The acquisition module is used for acquiring the states of switches, voltage and active, reactive and current of each side of the power transmission line;
the information processing module is used for judging the running state of the power transmission line according to the data acquired by the acquisition module;
the task output module is used for generating a power transmission line state conversion operation task in a self-adaptive mode according to the running state of the power transmission line;
the operation step output module is used for establishing a conversion operation correct operation step logic library according to the generated transmission line state conversion operation task and adaptively generating an operation step correction module;
and the checking module is used for checking the five-prevention checking logic and the safety checking logic rules which are applicable to the network and are required for executing various operation instructions.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention provides a self-adaptive programmed operation method and a self-adaptive programmed operation system for power grid regulation and control operation, which realize self-adaptive judgment of a dispatching end of a power transmission line state, intelligent generation operation steps, one-key operation of the dispatching end and real-time safety check of the whole process, carry out optimization design aiming at a line transformer group, multi-station T connection, multi-station series connection and the like, meet the requirement of diversification of power grid connection forms, greatly improve the operation efficiency and safety, shorten the power failure time of equipment and provide effective support for high-quality service.
Drawings
Fig. 1 is a flow chart of a power grid regulation operation adaptive programmed operation method provided by the present invention;
fig. 2 is a block diagram of a power grid regulation operation adaptive programmed operation system provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and are used for illustration only, and should not be construed as limiting the patent. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
A power grid regulation and control operation self-adaptive programmed operation method comprises the following steps:
s1: by scanning EMS system data in real time: carrying out data acquisition on the switching state of the power transmission line, and then carrying out acquisition on remote signaling and telemetering data quantity of voltage, active power, reactive power and current of the power transmission line;
s2: judging the running state of the power transmission line according to the collected power transmission line data;
s3: generating a power transmission line state switching operation task in a self-adaptive mode according to the running state of the power transmission line;
s4: establishing a logic library of correct operation steps of switching operation according to the generated power transmission line state switching operation task, and adaptively generating operation steps;
s5: formulating a five-prevention check logic and a safety check logic rule suitable for the network according to the five-prevention logic;
s6: in the operation process, the operation instruction is checked through the five-prevention check logic and the safety check logic rule, the operation is allowed through the check, and otherwise, the operation is not allowed.
The criterion rule of the switching state of the power transmission line in S1 is specifically as follows:
when the switch state criterion is operation, the switch position is closing, the transmission line side disconnecting link is closing, the bus side disconnecting link is closing, and the logic condition is AND;
when the switch state criterion is hot standby, the switch position is open, the transmission line side disconnecting link is closed, the bus side disconnecting link is closed, and the logic condition is AND;
when the switch state criterion is cold standby, the switch position is open, the transmission line side disconnecting link is opened, the bus side disconnecting link is opened, and the logic condition is AND.
The criterion rule of the power transmission line state in S1 is specifically:
when at least one switch on each side of the power transmission line is in an operating state, the voltage of the power transmission line is greater than 40kV, the active power of the switch is > =0kw, the reactive power of the switch is > =0kvar, the current of the switch is > =0kA, the logic condition is AND, and the criterion of the power transmission line is operation;
when each side switch on the transmission line is at least provided with one switch in a hot standby state, the voltage of the transmission line is less than 1kV, the active power of the switch is less than 1kV, the reactive power of the switch is less than 1kvar, the current of the switch is less than 1kA, the logic condition is AND, and the criterion of the transmission line is hot standby;
when switches on all sides of the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logical condition is AND, and the criterion of the power transmission line is cold standby;
when the switches on all sides of the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logic condition is AND, and the criterion of the power transmission line is in a maintenance state.
The state transition task of the operation state of the power transmission line in S2 is specifically:
possible conversion tasks of the power transmission line in the running state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the hot standby state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the cold standby state comprise a maintenance state, a hot standby state and an operation state; possible conversion tasks of the power transmission line in the maintenance state comprise a cold standby state, a hot standby state and an operation state.
Example 2
The invention also provides a self-adaptive programmed operation system for regulating and controlling operation of the power grid, which comprises
The acquisition module is used for acquiring the states of switches, voltage and active, reactive and current of each side of the power transmission line;
the information processing module is used for judging the running state of the power transmission line according to the data acquired by the acquisition module;
the task output module is used for generating a power transmission line state conversion operation task in a self-adaptive mode according to the running state of the power transmission line;
the operation step output module is used for establishing a conversion operation correct operation step logic library according to the generated transmission line state conversion operation task and adaptively generating an operation step correction module;
and the checking module is used for checking the five-prevention checking logic and the safety checking logic rules which are applicable to the network and are required for executing various operation instructions.
Further, on the basis of the technical scheme, the development of a power grid regulation and control operation self-adaptive programmed operation system is completed, and the switching steps among the power transmission line operation state, the hot standby state, the cold standby state and the maintenance state are established in the operation system as follows:
the steps of changing the running state of the power transmission line into the maintenance state are as follows:
(1) disconnecting the load side switch;
(2) the power supply side switch is switched off (at the moment, the line is switched from operation to hot standby);
(3) pulling the side disconnecting link of each side switch circuit (without the sequence);
(4) pulling open the side disconnecting link of each side switch bus (without sequence);
(5) pausing, and giving an instruction on a display module to check whether the position of each side knife switch of the circuit is correct on site, and the circuit is proved to have no electricity and can be grounded, and a circuit grounding knife switch operation power supply is put into on site, wherein a prompt window is required to be confirmed and a monitoring password is input to continue the next operation;
(6) and (4) closing the ground knife on each side of the circuit (without the sequence).
The steps of changing the maintenance state of the power transmission line into the running state are as follows:
(1) pulling the ground cutters on all sides of the circuit (without the sequence);
(2) closing the side disconnecting link of each side switch bus (without sequence);
(3) closing the side disconnecting link of the switching circuit of each side (without sequence);
(4) pausing, giving an instruction to check the position of a disconnecting link and a grounding disconnecting link on each side of the line on site, having a closing and power transmission condition prompting window, and continuing the next operation only by inputting a monitoring password after confirmation;
(5) and closing the power supply side switch.
The steps of the transmission line operation state to the cold standby state are as follows:
(1) disconnecting the load side switch;
(2) the power supply side switch is switched off (at the moment, the line is switched from operation to hot standby);
(3) pulling the side disconnecting link of each side switch circuit (without the sequence);
(4) and (4) pulling the side disconnecting link of the bus of each side switch (without the sequence).
The steps of converting the cold standby state of the power transmission line into the running state are as follows:
(1) closing a side disconnecting link of a bus of each side switch (without sequence);
(2) closing the side disconnecting link of each side switching line (without sequence) (at the moment, the line is switched from cold standby to hot standby);
(3) and closing the power supply side switch.
The steps of the hot standby state to the cold standby state of the power transmission line are as follows:
(1) pulling the side disconnecting link of each side switch circuit (without the sequence);
(2) and (4) pulling the side disconnecting link of the bus of each side switch (without the sequence).
The steps of the cold standby state to the hot standby state of the power transmission line are as follows:
(1) closing the side disconnecting link of each side switch bus (without sequence);
(2) and closing the line side disconnecting link of each side switch (without sequence).
The steps of converting the hot standby state of the power transmission line into the maintenance state are as follows:
(1) pulling the side disconnecting link of each side switch circuit (without the sequence);
(2) pulling open the side disconnecting link of each side switch bus (without sequence);
(3) pausing, giving an instruction to check the position of each side disconnecting link of the line on site, and inputting a monitoring password after confirmation to continue the next operation, wherein the line is proved to have no electricity or be grounded and the line is put into a grounding disconnecting link operation power supply on site;
(4) and closing the ground blades on all sides of the circuit (without the sequence).
The steps of converting the maintenance state of the power transmission line into the hot standby state are as follows:
(1) pulling the ground knife on each side of the line (without sequence);
(2) closing a side disconnecting link of a bus of each side switch (without sequence);
(3) and closing the line side disconnecting link of each side switch (without sequence).
The steps of changing the cold standby state of the power transmission line to the maintenance state are as follows:
and closing the ground blades on all sides of the circuit (without the sequence).
The steps of the transmission line maintenance state to the cold standby state are as follows:
and (4) pulling the ground cutters at all sides of the circuit (without sequence).
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (1)
1. A power grid regulation and control operation self-adaptive programmed operation method is characterized in that the method is realized based on a power grid regulation and control operation self-adaptive programmed operation system, and the system comprises: the acquisition module is used for acquiring the states of switches, voltage and active, reactive and current of each side of the power transmission line;
the information processing module is used for judging the running state of the power transmission line according to the data acquired by the acquisition module;
the task output module is used for generating a power transmission line state conversion operation task in a self-adaptive mode according to the running state of the power transmission line;
the operation step output module is used for establishing a conversion operation correct operation step logic library according to the generated transmission line state conversion operation task and adaptively generating an operation step correction module;
the checking module is used for checking the five-prevention checking logic and the safety checking logic rules which are applicable to the network when various operation instructions are executed;
a power grid regulation and control operation self-adaptive programmed operation method comprises the following steps:
s1: by scanning EMS system data in real time: carrying out data acquisition on the switching state of the power transmission line, and then carrying out acquisition on remote signaling and telemetering data quantity of voltage, active power, reactive power and current of the power transmission line;
s2: judging the running state of the power transmission line according to the collected power transmission line data;
s3: generating a power transmission line state switching operation task in a self-adaptive mode according to the running state of the power transmission line;
s4: establishing a logic library of correct operation steps of switching operation according to the generated power transmission line state switching operation task, and adaptively generating operation steps;
s5: formulating a five-prevention check logic and a safety check logic rule suitable for the network according to the five-prevention logic;
s6: in the operation process, checking the operation instruction through the five-prevention check logic and the safety check logic rule, allowing the operation through the checking, and not allowing the operation otherwise;
the state transition task of the operation state of the power transmission line in the S2 is specifically corresponding to:
possible conversion tasks of the power transmission line in the running state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the hot standby state comprise a cold standby state and a maintenance state; possible conversion tasks of the power transmission line in the cold standby state comprise a maintenance state, a hot standby state and an operation state; possible conversion tasks of the power transmission line in the maintenance state comprise a cold standby state, a hot standby state and an operation state;
the criterion rule of the switching state of the power transmission line in the S1 is specifically as follows:
when the switch state criterion is operation, the switch position is closing, the transmission line side disconnecting link is closing, the bus side disconnecting link is closing, and the logic condition is AND;
when the switch state criterion is hot standby, the switch position is open, the transmission line side disconnecting link is closed, the bus side disconnecting link is closed, and the logic condition is AND;
when the switch state criterion is cold standby, the switch position is open, the transmission line side disconnecting link is opened, the bus side disconnecting link is opened, and the logic condition is AND;
the criterion rule of the transmission line state in S1 is specifically:
when each side switch on the transmission line is in an operating state, the voltage of the transmission line is greater than 40kV, the active power of the switch is 0kw, the reactive power of the switch is 0kvar, the current of the switch is 0kA, the logic condition is AND, and the criterion of the transmission line is operation;
when each side switch on the transmission line is in a hot standby state, the voltage of the transmission line is less than 1kV, the active power of the switch is less than 1kV, the reactive power of the switch is less than 1kvar, the current of the switch is less than 1kA, the logic condition is AND, and the criterion of the transmission line is hot standby;
when switches on all sides of the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logical condition is AND, and the criterion of the power transmission line is cold standby;
when all side switches on the power transmission line are in a cold standby state, the voltage of the power transmission line is less than 1kV, the active power of the switches is less than 1kV, the reactive power of the switches is less than 1kvar, the current of the switches is less than 1kA, the logic condition is AND, and the criterion of the power transmission line is in a maintenance state.
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| CN201811058701.5A CN109473974B (en) | 2018-09-11 | 2018-09-11 | Power grid regulation and control operation self-adaptive programmed operation method and system |
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| CN201811058701.5A CN109473974B (en) | 2018-09-11 | 2018-09-11 | Power grid regulation and control operation self-adaptive programmed operation method and system |
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| CN114400696B (en) * | 2022-01-28 | 2023-06-20 | 广东电网有限责任公司广州供电局 | Sequential control method and system of back-to-back direct current transmission system |
| CN116094176A (en) * | 2023-03-09 | 2023-05-09 | 烟台开发区德联软件有限责任公司 | One-key programmed control method and device based on comprehensive error proof check |
| CN117411188B (en) * | 2023-11-30 | 2024-06-11 | 中国长江电力股份有限公司 | Automatic operation method of hydropower station 500kV outgoing line route overhaul transfer operation monitoring system |
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