CN114266427A - Topology analysis-based new equipment commissioning starting scheme generation method - Google Patents

Topology analysis-based new equipment commissioning starting scheme generation method Download PDF

Info

Publication number
CN114266427A
CN114266427A CN202111020200.XA CN202111020200A CN114266427A CN 114266427 A CN114266427 A CN 114266427A CN 202111020200 A CN202111020200 A CN 202111020200A CN 114266427 A CN114266427 A CN 114266427A
Authority
CN
China
Prior art keywords
equipment
starting
new
new equipment
started
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111020200.XA
Other languages
Chinese (zh)
Inventor
张锋明
金鑫
谢栋
钱钢
朱峰
罗刚
宋美雅
赵峰
马宁
陈楠
陆献传
金渊文
唐志琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN202111020200.XA priority Critical patent/CN114266427A/en
Publication of CN114266427A publication Critical patent/CN114266427A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention provides a topology analysis-based new equipment commissioning starting scheme generation method, which comprises the steps of firstly obtaining power grid topology graph model data corresponding to a power system which is already invested in new equipment to be started, determining the topology relation of each equipment in the power system, then extracting operation mode historical data of each equipment in the power system, constructing an equipment operation mode model according to the operation mode historical data, determining a starting list of the new equipment to be started, selecting an equipment starting range, determining commissioning time, equipment information, the topology relation, the operation mode and equipment state before starting of the new equipment to be started, and obtaining a new equipment starting scheme according to the topology relation, the operation relation and the equipment state before starting of the new equipment to be started. The method and the device can make a new equipment starting scheme through a specific power grid operation condition, ensure the starting safety and reasonability of the new equipment, and ensure that the new equipment can normally and safely operate after being started.

Description

Topology analysis-based new equipment commissioning starting scheme generation method
Technical Field
The invention relates to the technical field of intelligent operation of power systems, in particular to a method for generating a new equipment commissioning starting scheme based on topology analysis.
Background
Through years of information construction of an electric power system, massive regulation and control data are accumulated in a power grid regulation and control industry system, and the accumulated regulation and control data play an important role in daily operation and decision making of a power grid. However, in the application process of the actual scheduling decision, the discrete data still needs to be extracted and processed manually, so as to obtain the regulation and control information. Due to the complexity of the operation process of the power system, different regulation and control schemes need to be formulated according to different power grid operation environments, in the prior art, a regulation and control decision scheme is often obtained through simple physical modeling analysis, the method for formulating the regulation and control scheme by utilizing physical modeling is difficult to adapt to increasingly complex power grid operation conditions, and the safety and the rationality of a starting scheme output through a simple physical model are difficult to guarantee.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method for generating a new equipment commissioning starting scheme based on topology analysis.
The purpose of the invention is realized by the following technical scheme:
a method for generating a new equipment commissioning starting scheme based on topology analysis comprises the following steps:
acquiring power grid topological graph model data of a power system, wherein the power system is a power system which is put into new equipment, and determining the topological relation of each equipment in the power system according to the power grid topological graph model data;
extracting historical data of the operation modes of all equipment in the power system, acquiring the operation mode of the equipment corresponding to each voltage grade and wiring mode according to an empirical formula, and constructing an equipment operation mode model according to the operation mode of the equipment corresponding to each voltage grade and wiring mode;
determining a starting list of the new equipment to be started, and selecting an equipment starting range according to the obtained topological relation, the running state and the determined starting list of the new equipment to be started;
determining the commissioning time of the new equipment to be started, acquiring the equipment information and the topological relation of the new equipment to be started in the equipment starting range, and then acquiring the operation mode of the new equipment to be started according to the equipment information, the topological relation and the equipment operation mode model of the new equipment to be started;
and step five, setting the state of the equipment before starting of the new equipment to be started, and acquiring a new equipment starting scheme according to the topological relation, the operation relation and the state of the equipment before starting of the new equipment to be started, wherein the new equipment starting scheme comprises the operation process of the new equipment to be started and the operation content and the operation sequence of each starting link in the operation process.
Further, after power grid topology graph-model data corresponding to the power system into which the new device to be started is put is obtained, a corresponding power grid topology visual graphical interface is generated.
Further, when the start list of the new device to be started is determined in the third step, the new device to be started is selected through the visual graphical interface by taking the device interval as a unit.
Further, the specific process of selecting the device start range according to the obtained topological relation, the operation state and the determined start list of the new device to be started in the third step is as follows: the method comprises the steps of firstly obtaining equipment information of all new equipment to be started in a list of the new equipment to be started, determining a transformer substation corresponding to each new equipment to be started according to the equipment information, then extracting an equipment topological relation in each corresponding transformer substation, obtaining equipment associated with the new equipment to be started according to the equipment topological relation in each corresponding transformer substation, screening out the transformer substation associated with the transformer substation corresponding to each new equipment to be started according to power grid topological graph mode data, simultaneously extracting the equipment topological relation in the screened transformer substation, determining all the equipment associated with the new equipment to be started, and determining an equipment starting range according to all the new equipment to be started and all the equipment associated with the new equipment to be started.
Further, after a new equipment starting scheme is generated, the new equipment starting scheme is verified, all new equipment to be started are simulated and started according to the new equipment starting scheme, new equipment running state data corresponding to each new equipment to be started after the new equipment starting scheme is implemented are obtained, the same equipment running state data corresponding to each new equipment to be started are extracted, the error between the new equipment running state data and the same equipment running state data is calculated, and if the error between the new equipment running state data and the same equipment running state data exceeds a preset threshold value, an alarm that the new equipment starting scheme verification fails is sent out; and if the error between the running state data of the new equipment and the state data of the similar equipment does not exceed the preset threshold value, the starting scheme of the new equipment passes the verification.
Furthermore, after the new equipment starting scheme fails to pass the verification, all starting links corresponding to the new equipment running state data with the error exceeding the preset threshold value are extracted, and the extracted starting links are sorted according to the starting link sequence in the new equipment starting scheme, one starting link is selected according to the sequence, adjusting the operation content according to the operation state data of the simulated new equipment corresponding to the starting link to ensure that the error of the operation state data of the new equipment corresponding to the starting link is less than a preset threshold value, after the operation content adjustment of one starting link is completed, checking the whole new equipment starting scheme, judging whether the error of the new equipment running state data corresponding to at least one starting link exceeds a preset threshold value, if so, selecting the next starting link to adjust the operation content until the data errors of the running state of the new equipment corresponding to all the starting links do not exceed a preset threshold; and if the current equipment is not the new equipment, stopping the adjustment of the starting link, and taking the new equipment starting scheme after the adjustment as a final new equipment starting scheme.
Furthermore, the adjustment content for adjusting the operation content according to the operation state data of the simulated new device corresponding to the starting link comprises phase adjustment, phase sequence adjustment, voltage wiring sequence adjustment and protection action adjustment of the protection device.
And further, after the operation content of each starting link in the operation process in the new equipment starting scheme is obtained in the fifth step, sequencing the starting links to obtain a starting link sequence, calculating the risk coefficients of all the starting link sequences, and selecting the starting link sequence with the minimum risk coefficient as the operation sequence of each starting link in the new equipment starting scheme.
The invention has the beneficial effects that:
the method comprises the steps of obtaining associated equipment of new equipment to be started through analysis of a topological relation of a power grid, determining a starting range according to the new equipment to be started and the associated equipment, adding an equipment running state associated with the new equipment to be started into a new equipment starting scheme making process, and reducing the influence of the new equipment on the running of the power grid after being started. After a new equipment starting scheme is formulated, the execution result of the new equipment starting scheme is simulated, and the feasibility of the new equipment starting scheme is verified. And simulating to obtain the equipment running state after the new equipment starting scheme is executed, judging the equipment running state to obtain the feasibility verification result of the new equipment starting scheme, and ensuring the rationality of the new equipment starting scheme through the feasibility verification. And calculating risk coefficients of the operation sequence of each starting link in the new equipment starting scheme, and selecting the starting link sequence with the minimum risk coefficient as the operation sequence of the starting link, thereby further reducing the risk brought by starting the new equipment to be started. Meanwhile, the equipment running mode of the equipment in the current power system in the normal running state is obtained according to the voltage grade and the wiring mode, the operation content in the new equipment starting scheme is formulated according to the obtained equipment running mode, the new equipment can be ensured to run normally after being started, and the safety of the new equipment starting scheme is ensured.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example (b):
a method for generating a new device commissioning starting scheme based on topology analysis, as shown in fig. 1, includes the following steps:
acquiring power grid topological graph-model data corresponding to a power system in which new equipment to be started is put, and determining topological relations of all equipment in the power system according to the power grid topological graph-model data;
extracting historical data of the operation modes of all equipment in the power system, acquiring the operation mode of the equipment corresponding to each voltage grade and wiring mode according to an empirical formula, and constructing an equipment operation mode model according to the operation mode of the equipment corresponding to each voltage grade and wiring mode;
determining a starting list of the new equipment to be started, and selecting an equipment starting range according to the obtained topological relation, the running state and the determined starting list of the new equipment to be started;
determining the commissioning time of the new equipment to be started, acquiring the equipment information and the topological relation of the new equipment to be started in the equipment starting range, and then acquiring the operation mode of the new equipment to be started according to the equipment information, the topological relation and the equipment operation mode model of the new equipment to be started;
and step five, setting the state of the equipment before starting of the new equipment to be started, and acquiring a new equipment starting scheme according to the topological relation, the operation relation and the state of the equipment before starting of the new equipment to be started, wherein the new equipment starting scheme comprises the operation process of the new equipment to be started and the operation content and the operation sequence of each starting link in the operation process.
When a new equipment starting scheme is formulated, the detailed starting operation process content of the new equipment to be started is obtained by carrying out logic analysis and process deduction on the relevant factors of the equipment starting operation, and the equipment starting operation can be ensured to be in line with the equipment starting specification.
And the equipment information of the new equipment to be started comprises the name of the production substation, the voltage grade, the wiring mode and equipment contained in the plant. The power grid topology comprises a plant station topological relation and an equipment topological relation in the plant station, the commissioning substation is a substation which is put into the new equipment to be started, the equipment related to the new equipment to be started can be obtained through analysis of the equipment topological relation in the substation, and data support such as state data and power grid operation modes is provided for subsequent starting operation.
When a new equipment starting scheme is formulated, the equipment starting range is analyzed through a power grid topological relation, new equipment to be started is selected according to specific conditions, an equipment starting link and corresponding operation contents are determined according to the specific equipment conditions, the formulated new equipment starting scheme can be ensured to be in line with the power grid operation condition, and the influence on operation equipment in the power system after the new equipment is started is reduced. And the equipment associated with the new equipment to be started is obtained through the topological relation of the power grid, and the starting scheme of the new equipment to be started is analyzed through the running state of the equipment associated with the new equipment to be started, so that the operation content can be adjusted according to the real-time power grid state, and the rationality of the starting scheme is improved.
And after acquiring the power grid topology graph model data corresponding to the power system which is put into the new equipment to be started, generating a corresponding power grid topology visual graphical interface.
And in the third step, when the starting list of the new equipment to be started is determined, selecting the new equipment to be started through the visual graphical interface by taking the equipment interval as a unit.
The management personnel can obtain all the information of the new equipment to be started through the visual graphical interface, select the new equipment to be started in the list of the new equipment to be started according to the requirements, and make a starting plan according to the specific list of the new equipment to be started, so that the analysis of all the new equipment to be started is not needed, the analysis amount is reduced, and the making efficiency of the starting scheme is improved. And the visual graphical interface not only comprises new equipment to be started, but also comprises other running equipment in the power system, and the topological relation among the equipment can be intuitively and clearly obtained through the visual graphical interface.
The specific process of selecting the device starting range according to the obtained topological relation, the running state and the determined starting list of the new device to be started in the third step is as follows: the method comprises the steps of firstly obtaining equipment information of all new equipment to be started in a list of the new equipment to be started, determining a transformer substation corresponding to each new equipment to be started according to the equipment information, then extracting an equipment topological relation in each corresponding transformer substation, obtaining equipment associated with the new equipment to be started according to the equipment topological relation in each corresponding transformer substation, screening out the transformer substation associated with the transformer substation corresponding to each new equipment to be started according to power grid topological graph mode data, simultaneously extracting the equipment topological relation in the screened transformer substation, determining all the equipment associated with the new equipment to be started, and determining an equipment starting range according to all the new equipment to be started and all the equipment associated with the new equipment to be started.
The new equipment to be started is bound to influence the running of the equipment associated with the new equipment to be started after the new equipment to be started is started, the equipment associated with the new equipment to be started is brought into the starting range, the running condition of the equipment associated with the new equipment to be started is also used as a formulation basis of a starting scheme of the new equipment, the influence on the running of the equipment associated with the new equipment to be started after the starting scheme of the new equipment is implemented is reduced, and the running safety of a power grid is guaranteed.
After a new equipment starting scheme is generated, the new equipment starting scheme is also verified, all new equipment to be started are simulated and started according to the new equipment starting scheme, new equipment running state data corresponding to each new equipment to be started after the new equipment starting scheme is implemented are obtained, the same equipment running state data corresponding to each new equipment to be started are extracted, the error between the new equipment running state data and the same equipment running state data is calculated, and if the error between the new equipment running state data and the same equipment running state data exceeds a preset threshold value, an alarm that the new equipment starting scheme verification fails is sent out; and if the error between the running state data of the new equipment and the state data of the similar equipment does not exceed the preset threshold value, the starting scheme of the new equipment passes the verification.
After the new equipment starting scheme is not verified, all starting links corresponding to the new equipment running state data with the error exceeding the preset threshold value are extracted, and the extracted starting links are sorted according to the starting link sequence in the new equipment starting scheme, one starting link is selected according to the sequence, adjusting the operation content according to the operation state data of the simulated new equipment corresponding to the starting link to ensure that the error of the operation state data of the new equipment corresponding to the starting link is less than a preset threshold value, after the operation content adjustment of one starting link is completed, checking the whole new equipment starting scheme, judging whether the error of the new equipment running state data corresponding to at least one starting link exceeds a preset threshold value, if so, selecting the next starting link to adjust the operation content until the data errors of the running state of the new equipment corresponding to all the starting links do not exceed a preset threshold; and if the current equipment is not the new equipment, stopping the adjustment of the starting link, and taking the new equipment starting scheme after the adjustment as a final new equipment starting scheme.
The method comprises the steps of verifying a new equipment starting scheme, and if the error between equipment running state data obtained through simulation and the running state data of the similar equipment exceeds a preset threshold value after a starting result is simulated according to the new equipment starting scheme, the new equipment starting scheme cannot achieve the expected equipment starting effect, the new equipment cannot complete self-work after running, possibly influences the running of other associated equipment, and is difficult to ensure the normal running of the power system, so that the new equipment starting scheme is re-formulated when the verification fails. The rationality of the new equipment starting scheme is ensured through the verification of the new equipment starting scheme, and the normal operation of a power grid is not influenced.
The adjustment contents for adjusting the operation contents according to the operation state data of the simulated new equipment corresponding to the starting link comprise phase adjustment, phase sequence adjustment, voltage wiring sequence adjustment and protection action adjustment of the protection device.
And fifthly, after the operation content of each starting link in the operation process in the new equipment starting scheme is obtained, sequencing the starting links to obtain a starting link sequence, calculating the risk coefficients of all the starting link sequences, and selecting the starting link sequence with the minimum risk coefficient as the operation sequence of each starting link in the new equipment starting scheme.
When a plurality of new equipment to be started are started, the starting sequence of each new equipment to be started needs to be arranged according to factors such as the actual operation condition of a power grid and the equipment type of each new equipment to be started, the operation sequence of a starting link of each new equipment to be started in the starting process is different due to different equipment types of each new equipment to be started, so that the operation sequence of the starting link is sequenced to obtain a starting link sequence, the risk coefficient of each starting link sequence is calculated, the starting link sequence with the minimum risk coefficient is selected, and the safety of the starting scheme of the new equipment is ensured while the rationality of the starting scheme of the new equipment is ensured.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.

Claims (8)

1. A method for generating a new equipment commissioning starting scheme based on topology analysis is characterized by comprising the following steps:
acquiring power grid topological graph model data of a power system, wherein the power system is a power system which is put into new equipment, and determining the topological relation of each equipment in the power system according to the power grid topological graph model data;
extracting historical data of the operation modes of all equipment in the power system, acquiring the operation mode of the equipment corresponding to each voltage grade and wiring mode according to an empirical formula, and constructing an equipment operation mode model according to the operation mode of the equipment corresponding to each voltage grade and wiring mode;
determining a starting list of the new equipment to be started, and selecting an equipment starting range according to the obtained topological relation, the running state and the determined starting list of the new equipment to be started;
determining the commissioning time of the new equipment to be started, acquiring the equipment information and the topological relation of the new equipment to be started in the equipment starting range, and then acquiring the operation mode of the new equipment to be started according to the equipment information, the topological relation and the equipment operation mode model of the new equipment to be started;
and step five, setting the state of the equipment before starting of the new equipment to be started, and acquiring a new equipment starting scheme according to the topological relation, the operation relation and the state of the equipment before starting of the new equipment to be started, wherein the new equipment starting scheme comprises the operation process of the new equipment to be started and the operation content and the operation sequence of each starting link in the operation process.
2. The method for generating the commissioning starting scheme of the new device based on the topology analysis according to claim 1, wherein after the grid topology graph-model data corresponding to the power system into which the new device to be started has been put is obtained, a corresponding grid topology visualization graphical interface is also generated.
3. The method for generating a commissioning starting scheme for new devices based on topology analysis of claim 1, wherein in step three, when determining the starting list of new devices to be started, selecting new devices to be started through a visual graphical interface by taking a device interval as a unit.
4. The method for generating a commissioning starting scheme for new devices based on topology analysis according to claim 1, wherein the specific process of selecting a device starting range according to the obtained topology relationship, the operating state and the determined starting list of the new devices to be started in the third step is as follows: the method comprises the steps of firstly obtaining equipment information of all new equipment to be started in a list of the new equipment to be started, determining a transformer substation corresponding to each new equipment to be started according to the equipment information, then extracting an equipment topological relation in each corresponding transformer substation, obtaining equipment associated with the new equipment to be started according to the equipment topological relation in each corresponding transformer substation, screening out the transformer substation associated with the transformer substation corresponding to each new equipment to be started according to power grid topological graph mode data, simultaneously extracting the equipment topological relation in the screened transformer substation, determining all the equipment associated with the new equipment to be started, and determining an equipment starting range according to all the new equipment to be started and all the equipment associated with the new equipment to be started.
5. The method for generating the commissioning starting scheme of the new device based on the topology analysis according to claim 1, wherein after the new device starting scheme is generated, the new device starting scheme is verified, all the new devices to be started are simulated and started according to the new device starting scheme, new device running state data corresponding to each new device to be started after the new device starting scheme is implemented are obtained, the same device running state data corresponding to each new device to be started are extracted, an error between the new device running state data and the same device running state data is calculated, and if the error between the new device running state data and the same device running state data exceeds a preset threshold, an alarm that the new device starting scheme verification fails is sent; and if the error between the running state data of the new equipment and the state data of the similar equipment does not exceed the preset threshold value, the starting scheme of the new equipment passes the verification.
6. The method for generating a commissioning starting scheme of new equipment based on topology analysis according to claim 5, wherein after the verification of the commissioning starting scheme of new equipment fails, all the starting links corresponding to the running state data of new equipment with errors exceeding a preset threshold are extracted, the extracted starting links are sorted according to the sequence of the starting links in the commissioning scheme of new equipment, one starting link is selected according to the sequence, the operation content is adjusted according to the simulated running state data of new equipment corresponding to the starting link, so that the error of the running state data of the new equipment corresponding to the starting link is smaller than the preset threshold, after the adjustment of the operation content of one starting link is completed, the verification of the whole commissioning scheme of new equipment is performed, and whether the error of the running state data of the new equipment corresponding to at least one starting link exceeds the preset threshold is judged, if the new equipment running state data errors do not exceed the preset threshold, selecting the next starting link to adjust the operation content until the new equipment running state data errors corresponding to all the starting links do not exceed the preset threshold; and if the current equipment is not the new equipment, stopping the adjustment of the starting link, and taking the new equipment starting scheme after the adjustment as a final new equipment starting scheme.
7. The method for generating the commissioning starting scheme of the new device based on the topology analysis as recited in claim 6, wherein the adjustment content for adjusting the operation content according to the simulated new device operation state data corresponding to the starting link comprises phase adjustment, phase sequence adjustment, voltage wiring sequence adjustment, and protection action adjustment of the protection device.
8. The method for generating the commissioning starting scheme of the new equipment based on the topology analysis as recited in claim 1, wherein after the operation content of each starting link in the operation process in the starting scheme of the new equipment is obtained in the fifth step, the starting links are sequenced to obtain a starting link sequence, the risk coefficients of all the starting link sequences are calculated, and one starting link sequence with the smallest risk coefficient is selected as the operation sequence of each starting link in the starting scheme of the new equipment.
CN202111020200.XA 2021-09-01 2021-09-01 Topology analysis-based new equipment commissioning starting scheme generation method Pending CN114266427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111020200.XA CN114266427A (en) 2021-09-01 2021-09-01 Topology analysis-based new equipment commissioning starting scheme generation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111020200.XA CN114266427A (en) 2021-09-01 2021-09-01 Topology analysis-based new equipment commissioning starting scheme generation method

Publications (1)

Publication Number Publication Date
CN114266427A true CN114266427A (en) 2022-04-01

Family

ID=80824617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111020200.XA Pending CN114266427A (en) 2021-09-01 2021-09-01 Topology analysis-based new equipment commissioning starting scheme generation method

Country Status (1)

Country Link
CN (1) CN114266427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117609769A (en) * 2024-01-24 2024-02-27 华北电力大学 Method, system, equipment and medium for generating power grid new equipment starting scheme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117609769A (en) * 2024-01-24 2024-02-27 华北电力大学 Method, system, equipment and medium for generating power grid new equipment starting scheme

Similar Documents

Publication Publication Date Title
US8923993B2 (en) Method and system for engineering a substation automation system
EP2930634A2 (en) System and method for automated substation design and configuration
CN102931727B (en) Topological anti-error check method of power dispatching master station type integrated intelligent anti-error system
CN109510227B (en) Method and device for determining steady-state voltage of converter station bus after direct-current blocking
CN105808880A (en) Relay protection setting method and system based on graphical power distribution network
CN104242297B (en) A kind of method of electric voltage exception location and the analysis of causes
CN110890755A (en) Fault disposal plan online checking and intelligent compiling method and system
CN114266427A (en) Topology analysis-based new equipment commissioning starting scheme generation method
CN108448566A (en) A kind of electric system on-line mixing emulation mode and system
CN117374978B (en) Grid-connected scheduling management method and system constructed by combining knowledge graph
CN104361524A (en) Distribution network frame structure analysis method
CN114186849A (en) Power system cascading failure risk assessment method considering secondary system influence and system thereof
CN114069860A (en) Method, device and equipment for determining state of photovoltaic power station and readable storage medium
CN111475915B (en) Successive fault online evaluation method based on fault probability and time domain simulation quasi-steady state
CN109633333B (en) Provincial and above power grid various load shedding amount conflict detection and coordination check method
CN106651113A (en) Dispatcher operation risk evaluation method based on advanced N-1 analysis
CN115689532A (en) Power system fault analysis method and device
CN112865117B (en) Reactive emergency control method, device and system after new energy collection direct current blocking
CN104979903A (en) Patrol analysis method and device for centralized control center
CN112467806B (en) Method and system for determining power grid operation state based on DMN power grid regulation and control rule
CN104319779A (en) Regional power grid reactive voltage control method
CN114201481A (en) Distribution network fault management system based on distribution transformer reliability
CN113985207A (en) Method, system and device for monitoring faults of power grid operation equipment and storage medium
CN113672647B (en) Planned power outage specification verification method and device
CN111176257B (en) New energy control system parameter debugging method and system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination