CN113344364B

CN113344364B - Power failure plan risk analysis method and device, electronic equipment and storage medium

Info

Publication number: CN113344364B
Application number: CN202110601806.6A
Authority: CN
Inventors: 李伟; 吴海江; 唐鹤; 周俊宇; 黄斐; 花洁; 亓玉国; 区允杰; 梁锦来; 胡福金
Original assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Current assignee: Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-12-23
Anticipated expiration: 2041-05-31
Also published as: CN113344364A

Abstract

The invention discloses a risk analysis method and device for a power failure plan, electronic equipment and a storage medium, wherein the method comprises the following steps: s1, identifying maintenance equipment of a maintenance plan in a system maintenance table to obtain a power failure equipment table, S2, classifying power failure equipment in the power failure equipment table to obtain multiple power failure equipment types, analyzing the power failure equipment based on the power failure equipment types to obtain a spare power automatic switching power supply analysis result table, S3, judging whether the power failure equipment has a spare power automatic switching power supply, if yes, executing step S4, if not, carrying out subsequent analysis, S4, carrying out load prediction analysis on the spare power automatic switching power supply of the power failure equipment to obtain a predicted load analysis result table of the power failure equipment, S5, judging whether the load rate of the spare power automatic switching power supply exceeds 100%, if yes, generating a load control requirement, S6, compiling based on the results to obtain a power failure plan risk report. According to the invention, the risk of the power failure plan is analyzed through the computer system, so that the analysis efficiency of the risk of the power failure plan is improved.

Description

Power failure plan risk analysis method and device, electronic equipment and storage medium

Technical Field

The present invention relates to the field of risk analysis of blackout plans, and in particular, to a risk analysis method and apparatus for blackout plans, an electronic device, and a storage medium.

Background

The power grid power failure plan changes the power grid topological structure, and then the real-time operation risk of the power grid is influenced, the traditional method generally depends on manual analysis by a dispatcher according to data of a monitoring system and related information such as spare power automatic switching and stable configuration, and the traditional method is low in efficiency and insufficient in accuracy.

At present, no similar method is available in the field of power grid system operation to realize automatic scanning analysis of an analyzer. And the manual analysis of the power grid operation risk caused by the power failure plan has poor timeliness and low efficiency.

Therefore, in order to improve the efficiency of analyzing the risk of the power outage plan and solve the technical problem that the risk of the power outage plan cannot be analyzed by a computer system at present, it is necessary to construct a risk analysis of the power outage plan.

Disclosure of Invention

The invention provides a power failure plan risk analysis method and device, electronic equipment and a storage medium, and solves the technical problem that the power failure plan risk cannot be analyzed through a computer system at present.

In a first aspect, the present invention provides a risk analysis method for a power outage plan, including:

s1, identifying maintenance equipment in an obtained system maintenance table according to a maintenance plan in the maintenance table to obtain a power failure equipment table;

s2, classifying the power failure equipment in the power failure equipment table to obtain multiple power failure equipment types, and analyzing the power failure equipment by using a spare power automatic switching power supply based on the multiple power failure equipment types to obtain a spare power automatic switching power supply analysis result table;

s3, judging whether the power failure equipment has a spare power automatic switching power supply or not; if yes, executing step S4; if not, determining that the power failure equipment has the voltage loss risk, and not performing subsequent analysis;

s4, performing predictive load analysis on the spare power automatic switching power supply of the power failure equipment to obtain a predictive load analysis result table of the spare power automatic switching power supply of the power failure equipment;

s5, analyzing the load rate of the spare power automatic switching power supply of the power failure equipment;

and S6, compiling based on the power failure equipment table, the analysis result table of the spare power automatic switching power supply, the prediction load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report.

Optionally, the step S2 includes:

s21, classifying the power failure equipment into main transformer type power failure equipment and line type power failure equipment;

s22, performing analysis on the main transformer type power failure equipment and the line type power failure equipment respectively to obtain an analysis result of the main transformer type power failure equipment and an analysis result of the line type power failure equipment;

and S23, integrating the analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment and the analysis result of the spare power automatic switching power supply of the line type power failure equipment to obtain a spare power automatic switching power supply analysis result table of the power failure equipment.

Optionally, the step S22 includes a step of performing a power source automatic switching analysis on the main transformer type power outage equipment; the step S22 includes:

s221a, extracting main transformer information, disconnected main transformer switch information and bus information from the ledger information table of the obtained system maintenance table;

and S222a, carrying out analysis on the spare power automatic switching power supply based on the main transformer, the disconnected main transformer change-over switch and the bus to obtain an analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment.

Optionally, the step S222a includes:

s2221a, respectively carrying out topology path analysis on the main transformer and the disconnected main transformer variable-height switch to obtain a main transformer topology path table and a switch topology path table;

s2222a, analyzing the voltage loss risk of the bus based on the main transformer topological path table and the switch topological path table to obtain the voltage loss risk information of the bus;

s2223a, obtaining measurement point information of the main transformer and the load rate of the rest main transformers according to the relation between the main transformer and the bus, the topological path table of the main transformer, the loss voltage risk condition information of the bus and the obtained real-time telemetry table and transformer table in the system maintenance table;

and S2224a, integrating the main transformer topology path table, the switch topology path table, the bus voltage loss risk condition information, the main transformer measurement point information and the load rates of the remaining main transformers to obtain a spare power automatic switching power supply analysis result of the main transformer type power failure equipment.

Optionally, the step S2222a includes:

s22221a, judging whether the bus meets the spare power automatic switching condition or not based on the main transformer topology path table and the switch topology path table; if not, after the step S22222a is executed, the step S2223a is executed; if yes, go to step S2223a;

s22222a, judging whether the bus meets the bus serial supply condition; if yes, determining that the bus has no voltage loss risk; and if not, determining that the bus has the voltage loss risk.

Optionally, the step S2223a includes:

s22231a, classifying the main transformers into a bus main transformer and residual main transformers according to the relation between the main transformers and the buses;

s22232a, obtaining measurement point information of the main transformer and load rates of the rest main transformers according to the topological path table of the main transformer, the busbar voltage loss risk condition information and the real-time telemetry table and the transformer table in the obtained system maintenance table;

optionally, the step S22 further includes a step of analyzing a self-powered device of the line-type blackout equipment; the step S22 further includes:

step S221b, extracting line information and line switch information from the ledger information table of the obtained system maintenance table;

and step S222b, performing analysis on the spare power automatic switching power supply based on the line and the line switch to obtain analysis on the spare power automatic switching power supply and obtain analysis results on the spare power automatic switching power supply of the line type power failure equipment.

Optionally, the step S222b includes:

step S2221b, according to the equipment incidence relation in the system maintenance table and the line switch, carrying out topology analysis on the line to form a line topology path table;

step S2222b, preprocessing the line, eliminating the line which does not need to be subjected to subsequent analysis, and obtaining the eliminated line;

step S2223b, carrying out spare power automatic switching analysis on the removed line to obtain a spare power automatic switching analysis table;

step S2224b, integrating the line topology path table, the spare power automatic switching analysis table and the real-time remote measurement value table and the transformer table in the system maintenance table to obtain a spare power automatic switching power supply analysis result of the line type power failure equipment;

optionally, the step S2224b includes:

step S22241b, integrating the line topology path table and the backup power automatic switching analysis table to obtain a preliminary backup power automatic switching power analysis result of the line type power failure equipment;

step S22242b, performing pilot backup power automatic switching condition correction and indirect power conversion and supply correction on the transformer substation with the voltage loss condition in the backup power automatic switching power supply analysis result of the primary line type power failure equipment to obtain a transformer substation correction condition analysis table;

step S22243b, obtaining measurement point information of the line and the load rate of the remaining lines according to the line topology path table, the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment, and the real-time telemetering value table and the transformer table in the system maintenance table;

step S22244b, integrating the analysis result of the backup power automatic switching power supply of the primary line type power failure equipment, the transformer substation correction condition analysis table, the measurement point information of the line and the load rate of the remaining line to obtain the analysis result of the backup power automatic switching power supply of the line type power failure equipment.

Optionally, the step S4 includes:

step S41, determining the spare power automatic switching power supply of the power failure equipment as key equipment;

step S42, performing operation risk analysis on the key equipment to obtain an operation risk analysis result of the key equipment;

and S43, analyzing by combining the acquired maximum load time data in the maintenance plan based on the key equipment operation risk analysis result to obtain a predicted load analysis result table of the spare power automatic switching power supply of the power failure equipment.

In a second aspect, the present invention provides a risk analysis device for a power outage plan, including:

the identification module is used for identifying the maintenance equipment in the maintenance plan according to the maintenance plan in the acquired system maintenance table to obtain a power failure equipment table;

the classification module is used for classifying the power failure equipment in the power failure equipment table to obtain a plurality of power failure equipment types, and analyzing the power failure equipment by using the spare power automatic switching power supply based on the plurality of power failure equipment types to obtain a spare power automatic switching power supply analysis result table;

the judging module is used for judging whether the power failure equipment has a spare power automatic switching power supply or not; if yes, executing an analysis module; if not, determining that the power failure equipment has a voltage loss risk, and not performing subsequent analysis;

the analysis module is used for carrying out predictive load analysis on the spare power automatic switching power supply of the power failure equipment to obtain a predictive load analysis result table of the spare power automatic switching power supply;

the load module is used for judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100% or not based on the predicted load analysis result table; if so, generating a load control requirement; if not, no load control requirement analysis is carried out;

and the compiling module is used for compiling based on the power failure equipment table, the spare power automatic switching power supply analysis result table, the predicted load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report.

In a third aspect, the invention provides an electronic device comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the method according to the first aspect.

In a fourth aspect, the present invention provides a readable storage medium on which is stored a program or instructions which, when executed by a processor, performs the steps of the method according to the first aspect.

According to the technical scheme, the invention has the following advantages: the invention provides a risk analysis method of a power failure plan, which comprises the steps of S1, identifying maintenance equipment in an obtained maintenance plan according to the maintenance plan in a system maintenance table to obtain a power failure equipment table, S2, classifying the power failure equipment in the power failure equipment table to obtain various power failure equipment types, carrying out backup automatic power switching power analysis on the power failure equipment based on the various power failure equipment types to obtain a backup automatic power switching power analysis result table, S3, judging whether the power failure equipment has a backup automatic power switching power supply, if so, executing the step S4, if not, determining that the power failure equipment has voltage loss risk, not carrying out subsequent analysis, S4, carrying out predictive load analysis on the backup automatic power switching power supply of the power failure equipment to obtain a predictive load analysis result table of the backup automatic power switching power supply, S5, judging whether the load rate of the backup automatic power supply of the power supply exceeds 100% based on the predictive load analysis result table, if not, generating a load control requirement, if not, carrying out load control requirement analysis, S6, carrying out computer system analysis on the predictive load analysis result table based on the power failure equipment, power supply analysis result table, judging whether the load rate of the backup automatic power supply power failure equipment has a load analysis result exceeds 100%, and the current computer system has a risk analysis plan, and the risk analysis result, and the problem that the current computer system can not can solve the risk analysis.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a flowchart illustrating a first embodiment of a risk analysis method for blackout planning according to the present invention;

FIG. 2 is a flowchart illustrating a second embodiment of a risk analysis method for blackout planning according to the present invention;

fig. 3 is a flowchart illustrating a process of performing backup power automatic switching power analysis on a main transformer type power outage device in the risk analysis method for power outage plans according to the present invention;

fig. 4 is a flowchart illustrating the steps of the backup power automatic switching power supply analysis performed on the line-type blackout device in the risk analysis method for blackout plan according to the present invention;

fig. 5 is a block diagram showing a configuration of an embodiment of a risk analysis device for power outage planning according to the present invention.

Detailed Description

The embodiment of the invention provides a power failure plan risk analysis method, a power failure plan risk analysis device, electronic equipment and a storage medium, which are used for solving the technical problem that the power failure plan risk cannot be analyzed through a computer system at present.

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In a first embodiment, referring to fig. 1, fig. 1 is a flowchart illustrating a first method for risk analysis of a power outage plan according to a first embodiment of the present invention, including:

step S101, according to an obtained maintenance plan in a system maintenance table, identifying maintenance equipment in the maintenance plan to obtain a power failure equipment table;

it should be noted that the power failure plan is an arrangement of power failure of the power grid equipment, and mainly includes power failure time, power transmission time, and name of the power failure equipment.

The system maintenance table comprises a maintenance schedule table, a standing book information table, a maintenance equipment table, a real-time telemetry table, a transformer substation table, a measurement point table, a power grid equipment table and a transformer table.

Step S102, power failure equipment in the power failure equipment table is classified to obtain multiple power failure equipment types, and the power failure equipment is subjected to spare power automatic switching power supply analysis based on the multiple power failure equipment types to obtain a spare power automatic switching power supply analysis result table;

step S103, judging whether the power failure equipment has a spare power automatic switching power supply or not; if yes, go to step S104; if not, determining that the power failure equipment has the voltage loss risk, and not performing subsequent analysis;

step S104, carrying out predictive load analysis on the spare power automatic switching power supply of the power failure equipment to obtain a predictive load analysis result table of the spare power automatic switching power supply;

step S105, judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100% or not based on the predicted load analysis result table; if yes, generating a load control requirement; if not, no load control requirement analysis is carried out;

and S106, compiling based on the power failure equipment table, the spare power automatic switching power supply analysis result table, the predicted load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report.

In the risk analysis method for the power failure plan provided by the embodiment of the invention, through step S101, according to the maintenance plan in the acquired system maintenance table, the maintenance equipment in the maintenance plan is identified to obtain a power failure equipment table, step S102, the power failure equipment in the power failure equipment table is classified to obtain a plurality of power failure equipment types, and the power failure equipment is subjected to backup automatic power supply analysis based on the plurality of power failure equipment types to obtain a backup automatic power supply analysis result table, step S103, whether the power failure equipment has a backup automatic power supply is judged, if yes, step S104 is executed, if no, it is determined that the power failure equipment has a voltage loss risk, no subsequent analysis is performed, step S104, the backup automatic power supply of the power failure equipment is subjected to predictive load analysis to obtain a predictive load analysis result table of the backup automatic power supply, step S105, based on the predictive load analysis result table, whether the load rate of the backup automatic power supply of the power failure equipment exceeds 100% is determined, if yes, a load control requirement is generated, no load control analysis is performed, the power failure analysis result table is not performed, and the computer system can not perform the predictive load analysis result table, and the current load analysis result shows that the risk analysis of the computer system can not perform the predictive risk analysis on the power failure equipment can not perform the predictive load analysis result table, and the current load analysis on the problem of the current load analysis result can be solved through the risk of the computer system.

In a second embodiment, referring to fig. 2, fig. 2 is a flowchart illustrating a second embodiment of a risk analysis method for power outage planning according to the present invention, including:

step S201, according to an obtained maintenance plan in a system maintenance table, identifying maintenance equipment in the maintenance plan to obtain a power failure equipment table;

in the embodiment of the invention, the scheduled maintenance equipment in the system maintenance table is identified to obtain the power failure equipment table.

Step S202, classifying the power failure equipment into main transformer type power failure equipment and line type power failure equipment;

in the embodiment of the invention, the power failure equipment is classified into main transformer type power failure equipment and line type power failure equipment by reading the maintenance schedule.

In the specific implementation, a maintenance schedule is read, and a 110kV transformer substation and a 110kV line are intelligently identified by using a regular expression and keyword adaptation method to form a power failure equipment table.

Main transformation: matching the main transformers by using a regular expression "# [0-9] main transformer +", intercepting the transformer substation to which the main transformer belongs through a keyword station, inquiring a power grid equipment table according to the transformer substation and main transformer information, obtaining main transformer information and storing the main transformer information into a power failure equipment table.

A circuit: and matching the lines through the keywords 'line' and 'branch line', and if the equipment contains the 'branch line', searching whether the whole overhaul record contains the main line of the branch line. And if the branch line name is not contained, intercepting the branch line name, and then inquiring equipment ID corresponding to the branch line according to the substation information in front of the branch line name.

After the power failure equipment table is formed, the data of the time day of the maximum load of the whole network in the same period of the last year can be obtained according to the maintenance planning time, and the real-time remote measurement table is updated.

Step S203, performing backup power automatic switching power supply analysis on the main transformer type power failure equipment and the line type power failure equipment respectively to obtain a backup power automatic switching power supply analysis result of the main transformer type power failure equipment and a backup power automatic switching power supply analysis result of the line type power failure equipment;

in an optional embodiment, the step S203 includes a step of analyzing the main transformer type blackout equipment automatic switching power supply; the step S203 includes:

step S2031a, extracting main transformer information, disconnected main transformer variable height switch information and bus information from the ledger information table of the obtained system maintenance table;

step S2032a, topology path analysis is respectively carried out on the main transformer and the disconnected main transformer variable height switch to obtain a main transformer topology path table and a switch topology path table;

step S2033a, based on the main transformer topology path table and the switch topology path table, judging whether the bus meets the spare power automatic switching condition; if not, after step S2034a is executed, step S2035a is executed; if yes, go to step S2035a;

s2034a, judging whether the bus meets the bus serial supply condition; if yes, determining that the bus has no voltage loss risk; and if not, determining that the bus has the voltage loss risk.

Step S2035a, classifying the main transformers into bus main transformers and residual main transformers according to the relationship between the main transformers and the buses;

step S2036a, obtaining measurement point information of the main transformer and load rate of the rest main transformers according to the topological path table of the main transformer, the bus voltage loss risk condition information and the real-time telemetry table and the transformer table in the obtained system maintenance table;

step S2037a, integrating the main transformer topology path table, the switch topology path table, the bus voltage loss risk condition information, the main transformer measurement point information and the load rate of the rest main transformers to obtain a spare power automatic switching power supply analysis result of the main transformer type power failure equipment.

In the embodiment of the invention, the automatic switching power supply of the main transformer type power failure equipment is analyzed to obtain the analysis result of the spare automatic switching power supply of the main transformer type power failure equipment.

In an optional embodiment, the step S203 further includes a step of analyzing the power outage device automatic power supply of the line type; the step S203 further includes:

step S2031b, extracting line information and line switch information from the ledger information table of the obtained system maintenance table;

step S2032b, according to the device association relation in the system maintenance table and the line switch, topology analysis is carried out on the line to form a line topology path table;

step S2033b, preprocessing the circuit, eliminating the circuit which does not need to be analyzed subsequently, and obtaining the circuit after elimination;

step S2034b, carrying out spare power automatic switching analysis on the removed circuit to obtain a spare power automatic switching analysis table;

step S2035b, integrating the line topology path table and the backup power automatic switching analysis table to obtain a primary backup power automatic switching power supply analysis result of the line type power failure equipment;

step S2036b, performing pilot spare power automatic switching condition correction and indirect transfer power supply correction on the transformer substation with the voltage loss condition in the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment to obtain a transformer substation correction condition analysis table;

step S2037b, obtaining measurement point information of the line and the load rate of the rest lines according to the line topology path table, the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment and the real-time telemetering value table and the transformer table in the system maintenance table;

step S2038b, integrating the analysis result of the backup power automatic switching power supply of the preliminary line-type power failure device, the analysis table of the substation correction condition, the measurement point information of the line, and the load rate of the remaining line, to obtain the analysis result of the backup power automatic switching power supply of the line-type power failure device.

In the embodiment of the invention, the automatic power switching equipment of the line type is analyzed to obtain the analysis result of the backup automatic power switching equipment of the line type.

In the embodiment of the invention, the spare power automatic switching power supply analysis is carried out on the power failure equipment based on the type of the power failure equipment to obtain a spare power automatic switching power supply analysis result table.

Step S204, integrating the analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment and the analysis result of the spare power automatic switching power supply of the line type power failure equipment to obtain a spare power automatic switching power supply analysis result table of the power failure equipment;

step S205, judging whether the power failure equipment has a spare power automatic switching power supply; if yes, go to step S206; if not, determining that the power failure equipment has the voltage loss risk, and not performing subsequent analysis;

step S206, determining the spare power automatic switching power supply of the power failure equipment as key equipment;

step S207, performing operation risk analysis on the key equipment to obtain an operation risk analysis result of the key equipment;

in the embodiment of the invention, the operation risk analysis is carried out on the key equipment to obtain the operation risk analysis result of the key equipment.

In the specific implementation, the power failure equipment is subjected to simulated equipment maintenance; setting equipment of the power failure equipment table to be in a maintenance state, and inserting the equipment into the maintenance equipment table; meanwhile, the spare power automatic switching switch corresponding to the power failure equipment is inquired through the association of the power failure equipment table, the analysis result table of the spare power automatic switching power supply of the 110kV main transformer and the analysis result table of the spare power automatic switching power supply of the 110kV line, the real-time remote sensing table is updated, and the state of the real-time remote sensing table is updated to be a closed state.

Performing operation risk analysis on the key equipment to obtain an operation risk analysis table of the key equipment;

analyzing the key equipment determined in the step by the spare power automatic switching power supply, analyzing whether the key equipment has a spare power supply, and if the spare power supply does not exist, judging that the key equipment has a voltage loss risk; and if the standby power supply exists, entering into a predictive load analysis.

Judging whether the power failure equipment influences load prediction to obtain an influence load prediction result table; the following conditions need to be met in the prediction of the influence load of the power failure equipment: 1) The equipment attribute is a 110kV line; 2) The power supply of the power failure equipment is inconsistent with the power supply of the automatic power switching equipment.

Judging whether the key equipment is single-line single-change or not to obtain a single-line single-change analysis table; the single-line single-change is to indicate whether the spare power automatic switching power supply supplies to a certain transformer substation or a main transformer for the whole substation in a single line manner; judging that the single-line univariate needs to satisfy any one of the following conditions: 1) The key equipment is a 110kV line, and one or more than one transformer substation in the transformer substation supplied by the line is only supplied with power by the key equipment; 2) The key equipment is a 110kV main transformer, and the main transformer supplies a total station 10kV bus.

Adjusting the generation mode and the requirement of the power failure plan risk according to a set rule; according to a preset rule, adjusting an automatic generation mode and requirements: 1) When the station power supply channel is changed and is powered by another channel, the power is supplied by an xx line instead of an xx station; 2) The stations are adjusted from parallel to split operation, the standby line switch is switched on, the bus coupler switch or the disconnecting link is switched off, and the operation is described as that the XX station is switched to split operation and is divided by an XX line and an XX line; 3) The stations are adjusted from the split row to the parallel operation, the main supply line supplies power, the other return line is powered off or is disconnected, and the operation is described as that xx stations are switched to the parallel operation and the power is supplied by xx lines; 4) The xx station 10kV bus runs in parallel, and is powered by a # x main transformer, so that the xx station 10kVXM is powered by the xx section; 5) And xx, one main transformer of the station supplies a bus of the whole station, and the xx station is described as being supplied with a load of the whole station by a # x main transformer.

And integrating the results with an analysis table to obtain a key equipment operation risk analysis table.

And step S208, analyzing by combining the acquired maximum load time data in the maintenance plan based on the key equipment operation risk analysis result to obtain a predicted load analysis result table of the spare power automatic switching power supply of the power failure equipment.

Step S209, based on the predicted load analysis result table, judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100%; if yes, generating a load control requirement; if not, no load control requirement analysis is carried out;

in the embodiment of the invention, based on a predicted load analysis table of the power failure equipment, the load rate of the spare power automatic switching power supply of the power failure equipment is analyzed by combining the current-carrying capacity or rated capacity of the spare power automatic switching power supply in a power grid equipment table, and whether the load rate of the spare power automatic switching power supply of the power failure equipment is overloaded or not is judged; and if the load rate is overloaded, generating a load control requirement.

In the specific implementation, the load rate of the spare power automatic switching power supply of the power failure equipment is analyzed based on a predicted load analysis table of the power failure equipment by combining the current-carrying capacity or rated capacity of the spare power automatic switching power supply in a power grid equipment table.

And if the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100%, determining that the load rate of the spare power automatic switching power supply of the power failure equipment is overloaded, and generating a load control requirement.

The generated load control requirement description and conditions are as follows: 1. if the overhaul equipment is a main transformer and a single main transformer supplies power to the total station, controlling the current of the total station of the xx station not to exceed xxA; 2. if the maintenance equipment is a main transformer and a plurality of main transformers supply to the whole station, controlling xx bus current of the xx station not to exceed xxA; 3. and if the maintenance equipment is a line, controlling the xx station current not to exceed xxA.

And if the load rate of the spare power automatic switching power supply of the power failure equipment does not exceed 100%, determining that the load rate of the spare power automatic switching power supply of the power failure equipment is not overloaded.

Step S210, compiling based on the power failure equipment table, the analysis result table of the spare power automatic switching power supply, the prediction load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report;

in the embodiment of the invention, the power failure equipment table, the analysis result table of the backup power automatic switching power supply, the prediction load analysis table of the power failure equipment and the load rate of the backup power automatic switching power supply of the power failure equipment are integrated to obtain a power failure planning risk report.

In the method for analyzing the risk of the power failure plan provided by the embodiment of the invention, through step S201, according to the maintenance plan in the obtained system maintenance table, the maintenance equipment in the maintenance plan is identified to obtain a power failure equipment table, step S202, the power failure equipment is classified into main transformer type power failure equipment and line type power failure equipment, step S203, backup power automatic switching power supply analysis is respectively performed on the main transformer type power failure equipment and the line type power failure equipment to obtain a backup power automatic switching power supply analysis result of the main transformer type power failure equipment and a backup power automatic switching power supply analysis result of the line type power failure equipment, step S204, the backup power automatic switching power supply analysis result of the main transformer type power failure equipment and the backup power automatic switching power supply analysis result of the line type power failure equipment are integrated to obtain a backup power automatic switching power supply analysis result table of the power failure equipment, step S205, judging whether the power failure equipment has a spare power automatic switching power supply, if so, executing step S206, if not, determining that the power failure equipment has a voltage loss risk and not performing subsequent analysis, step S206, determining the spare power automatic switching power supply of the power failure equipment as key equipment, step S207, performing operation risk analysis on the key equipment to obtain a key equipment operation risk analysis result, step S208, analyzing the key equipment operation risk analysis result by combining the acquired maximum load time data in the maintenance plan to obtain a predicted load analysis result table of the spare power automatic switching power supply of the power failure equipment, step S209, judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100% or not based on the predicted load analysis result table, if so, generating a load control requirement, if not, performing load control requirement analysis, step S210, a power failure plan risk report is obtained based on the power failure equipment table, the spare power automatic switching power supply analysis result table, the predicted load analysis result table, the load rate and the load control requirement, the risk of the power failure plan is analyzed through the computer system, the technical problem that the risk of the power failure plan cannot be analyzed through the computer system at present is solved, and the analysis efficiency of the power failure plan risk is improved.

Referring to fig. 3, fig. 3 is a flowchart illustrating a process of performing backup power automatic switching power analysis on a main transformer type power outage device in a risk analysis method for power outage plans according to the present invention, including:

step S301, extracting main transformer information, disconnected main transformer variable-height switch information and bus information from the ledger information table of the acquired system maintenance table;

in the embodiment of the invention, the main transformer information, the disconnected main transformer variable-height switch information and the bus information are extracted according to conditions.

In a specific implementation, the extracted main transformer meets the following conditions: 1) The equipment attribute is a main transformer; 2) The voltage level is 110kV; 3) The maintenance board is not hung; 4) And (4) non-power plant step-up transformer.

The extracted main transformer change-over switch meets the following conditions: 1) The equipment attribute is a main transformer variable height switch; 2) The voltage level is 110kV; 3) Hanging no overhaul tag; 4) The switch state is off; 5) And D, enabling the transformer substation to which the variable height switch belongs to be consistent with the transformer substation to which the main transformer belongs in the step A.

The extracted bus meets the following conditions: 1) Stored in the topology path table; 2) The voltage grade is 10kV; 3) The overhaul tag is not hung.

Step S302, topology path analysis is respectively carried out on the main transformer and the disconnected main transformer variable-height switch, and a main transformer topology path table and a switch topology path table are obtained;

the topology analysis is to analyze connectivity of a plurality of devices under a condition that a limited condition is satisfied, based on factors such as device connection relationship, device type, device state, voltage level, and power flow direction.

In the embodiment of the invention, the topological path analysis is carried out on the main transformer to obtain a main transformer topological path table, and the topological path analysis is carried out on the disconnected main transformer variable-height switch to obtain a switch topological path table.

In the specific implementation, according to the power flow direction, the equipment association relation and the real-time state of the switch disconnecting link, the topology analysis is carried out to obtain a main transformer topology path table and a switch topology path table.

Step S303, judging whether the bus meets the spare power automatic switching condition or not based on the main transformer topology path table and the switch topology path table; if not, after step S304, step S305 is executed; if yes, go to step S305;

in the embodiment of the invention, whether the bus meets the spare power automatic switching condition or not needs to be judged based on the main transformer topology path table and the switch topology path table.

In a specific implementation, whether the bus meets a spare power automatic switching condition is judged, and if the bus meets any one of the following conditions, the spare power automatic switching can be performed: 1) The bus is in a topology path table of a disconnected main transformer variable-height switch, and the main transformer to which the variable-height switch belongs and the main transformer of the analysis bus are not the same main transformer; 2) The bus can be topological to a hot standby low-voltage switch; 3) The bus bar can be topological to a hot standby sectionalizer.

Step S304, judging whether the bus meets the bus serial supply condition; if yes, determining that the bus has no voltage loss risk; if not, determining that the bus has a voltage loss risk;

in the embodiment of the invention, whether the bus meets the bus serial supply condition is judged; if yes, determining that the bus has no voltage loss risk; if not, determining that the bus has a voltage loss risk; and determining whether the bus has the voltage loss risk or not to be used for subsequent analysis and analysis.

In the concrete implementation, if the analysis bus does not satisfy any one of the spare power automatic switching conditions, the step of judging whether the bus satisfies the bus serial supply condition is carried out: the bus string supply needs to meet the following conditions: 1) The upper-level bus of the same grade exists; 2) The superior bus meets the spare power automatic switching condition. If the bus meets the bus serial supply condition, determining that no voltage loss risk exists in the bus; and if the bus does not meet the bus serial supply condition, determining that the bus has a voltage loss risk.

Step S305, classifying the main transformers into bus main transformers and residual main transformers according to the relation between the main transformers and the buses;

in the embodiment of the invention, the main transformer is divided into the bus main transformer and the residual main transformers based on the relation between the main transformer and the bus in the main transformer topology path table.

Step S306, obtaining measuring point information of the main transformer and load rates of the rest main transformers according to the topological path table of the main transformer, the busbar voltage loss risk condition information and the real-time telemetry table and the transformer table in the obtained system maintenance table;

in the embodiment of the invention, the measurement point information of the main transformer is obtained according to the topological path table of the main transformer, the busbar voltage loss risk condition information and the acquired real-time telemetry table and transformer table in the system maintenance table; and based on the measuring point information of the main transformer, the load rate of the rest main transformers.

In specific implementation, measuring point information of the main transformer is obtained according to the main transformer topology path table, the spare power automatic switching conditions, and a real-time telemetry table and a transformer table in the system maintenance table; 1) Acquiring a bus-affiliated low-voltage switch and a main transformer according to a main transformer topology path table; 2) According to the obtained spare power automatic switching switch, the rest main transformers are obtained through analysis by combining a main transformer topology path table; 3) And associating the real-time remote measurement value table and the transformer table, and inquiring the rated capacity of the residual main transformer, the transformer variable height measurement switch load measurement point, the current measurement point and the bus main transformer variable height measurement switch load measurement point.

Analyzing the load rate of the rest main transformers according to the measuring point information of the main transformers; 1) Analyzing the relation between the main transformer and the bus and the rest main transformers by taking the main transformer as a dimension to form a main transformer spare power automatic switching result table; 2) Judging whether a bus supplied by a main transformer has voltage loss; if the main transformer load rate exists, the residual main transformer load rate = (the sum of all feeder line currents under a bus supplied by the residual main transformer/58.5 + variable load)/the residual main transformer rated capacity; if not, the remaining main transformer load factor = (main transformer variable load + remaining main transformer variable load)/remaining main transformer rated capacity.

And S307, integrating the main transformer topology path table, the switch topology path table, the bus voltage loss risk condition, the main transformer measurement point information and the load rate of the rest main transformers to obtain a main transformer type spare power automatic switching power supply analysis result of the power failure equipment.

In the method for analyzing the risk of the power failure plan, provided by the embodiment of the invention, the analysis of the spare power automatic switching power supply is carried out on the main transformer type power failure equipment, and the analysis of the spare power automatic switching power supply is carried out on the main transformer type power failure equipment through the system, so that the analysis result table of the spare power automatic switching power supply of the main transformer type power failure equipment is obtained, and the efficiency of the power failure plan risk analysis is improved.

Referring to fig. 4, fig. 4 is a flowchart illustrating the steps of a backup power automatic switching power supply analysis performed on a line-type blackout device in the risk analysis method for blackout plan according to the present invention, including:

step S401, extracting line information and line switch information from the ledger information table of the acquired system maintenance table;

in the embodiment of the invention, the line information and the line switch information are extracted according to the condition.

In a specific implementation, the extracted lines and line switches satisfy the following conditions: 1) The switch belongs to a 220kV transformer substation 110kV switch or a 110kV power plant outgoing switch; 2) Hanging no overhaul tag; 3) The name includes "line"; 4) The name does not include "test" or "spare".

Step S402, carrying out topology analysis on the line according to the equipment incidence relation in the system maintenance table and the line switch to form a line topology path table;

in the embodiment of the invention, the topology analysis is performed on the line by taking the line switch as a starting point according to the association relation of the equipment in the system maintenance table to form a line topology path table.

In specific implementation, topology analysis is performed on the line according to the device association relationship in the system maintenance table, the line switch is taken as a starting point, the topology analysis is performed according to the power outflow direction through the device association relationship, a 110kV line topology path table is formed, and the devices such as the bus, the switch and the line on the power supply channel are sequentially stored in the database.

Step S403, preprocessing the line, and eliminating the line which does not need to be subjected to subsequent analysis to obtain the eliminated line;

in the embodiment of the invention, the line is preprocessed, and the line which does not need to be subjected to subsequent analysis is removed, so that the removed line is obtained.

In the specific implementation, the line is preprocessed to obtain a list of 110kV lines to be analyzed and devices supplied by the 110kV lines; the line is pretreated according to the following method: 1) When the power direction is from the line to the 110kV bus where the line is located and the bus is powered by other power supplies, no analysis is carried out; 2) The T-connection line is not independently analyzed, and only the main line where the T-connection line is located is used as an analysis object; 3) For a power plant with a single-circuit line for surfing the Internet, the outgoing line is not analyzed; and after pretreatment, generating a list of the 110kV line to be analyzed and the equipment (110 kV line, 110kV main transformer, 110kV transformer substation 110kV bus and 10kV bus) supplied by the 110kV line.

When the main transformer or the bus of any line in the list has power supply of another line in the lines, judging the any line and the another line as an N-1 voltage loss state, and rejecting the any line and the another line to obtain the rejected line.

Step S404, performing spare power automatic switching analysis on the rejected line to obtain a spare power automatic switching analysis table;

in the embodiment of the invention, the spare power automatic switching analysis is carried out on the circuit after the circuit is removed, so as to obtain a spare power automatic switching analysis table.

In the specific implementation, the transformer substation supplied by the line is obtained, and whether the transformer substation in the channel is available or not is judged.

And whether a 110kV bus coupler and a line switch meeting the spare power automatic switching condition exist or not. The switch meets all the following conditions, and the spare power automatic switching can be realized: 1) A hot standby 110kV bus coupler and a line switch exist in the station in the topological path of the line; 2) The power supply can be switched from other power supply point topologies to hot standby 110kV section, bus coupler and line switch.

And traversing main transformers in the station supplied by the line. And for the 110kV bus coupler and the line switch which can not meet the spare power automatic switching condition in the steps, analyzing whether all main transformers can carry out spare power automatic switching or not by traversing the main transformers in the station supplied by the line. If all main transformers can be automatically switched in spare power, the station can be automatically switched in spare power; otherwise, there is a loss of pressure.

And traversing a bus supplied by the main transformer. Carrying out spare power automatic switching analysis on buses supplied by a main transformer one by one, wherein if all the buses supplied by the main transformer can be subjected to spare power automatic switching, the main transformer can be subjected to spare power automatic switching; otherwise, a no-voltage bus is present.

And whether a 10kV section and bus-tie switch meeting the spare power automatic switching condition exists or not. And if the analysis bus meets any one of the following conditions, the backup power automatic switching can be realized: 1) The bus is in a topology path table of a disconnected main transformer and a main transformer of the height-changing switch is not the same as the main transformer of the analysis bus, and the power supply is different; 2) The bus can be topologically connected to a hot standby low-voltage switch and the power supply is different; 3) The bus can be topologically connected to a hot standby section switch and the power supply is different.

Step S405, integrating the line topology path table and the backup power automatic switching analysis table to obtain a primary backup power automatic switching power analysis result of the line type power failure equipment;

step S406, performing pilot backup power automatic switching condition correction and indirect power supply conversion correction on the transformer substation with the voltage loss condition in the primary backup power automatic switching power supply analysis result of the line type power failure equipment to obtain a transformer substation correction condition analysis table;

in the embodiment of the invention, the correction of the pilot spare power automatic switching condition and the correction of indirect power conversion and supply are carried out on the transformer substation with the voltage loss condition, so as to obtain the analysis table of the correction condition of the transformer substation.

In a specific implementation, the pilot spare power automatic switching condition is corrected: and if the transformer substation exists in the pilot-operated spare power automatic switching maintenance table, inquiring whether the other transformer substation matched with the pilot-operated spare power automatic switching device of the station is successfully switched into the spare power automatic switching from the primary 110kV line spare power automatic switching power analysis result table, and if so, correcting the station to be free of voltage loss.

Indirect transfer power supply correction: selecting a substation with a voltage loss condition from a preliminary 110kV line backup power automatic switching power supply analysis result table to further analyze whether the following conditions are met: 1) The upper power supply is a 110kV transformer substation; 2) The upper-stage power transformer substation and the local substation lose voltage due to the same line fault; 3) And (4) inquiring from a preliminary 110kV line spare power automatic switching power supply analysis result table, wherein the spare power automatic switching of the superior power transformer substation is successful. If the above conditions are satisfied, the station result is corrected to be not decompressed.

Step S407, obtaining measurement point information of the line and the load rate of the remaining lines according to the line topology path table, the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment, and a real-time telemetering value table and a transformer table in the system maintenance table;

in the embodiment of the invention, the measurement point information of the line is obtained according to the 110kV line topology path table, the primary 110kV line spare power automatic switching power supply analysis result table and the real-time remote measurement value table and the transformer table in the system maintenance table; and analyzing to obtain the load rate of the rest lines based on the measuring point information of the lines.

In a specific implementation, measuring point information of the line is obtained according to the 110kV line topology path table, the primary 110kV line spare power automatic switching power supply analysis result table of the power failure equipment and a real-time remote measurement value table and a transformer table in the system maintenance table; 1) Acquiring a line switch according to a 110kV line topology path table; 2) The comprehensively obtained backup power automatic switch is combined with a 110kV line topology path table to analyze and obtain the rest lines; 3) Associating the real-time remote measurement value table and the transformer table, and inquiring and analyzing a line switch load measurement point and a current measurement point of a line; load measuring points and current measuring points of the line switches of the remaining lines.

The remaining lines are analyzed for load rate. And analyzing to obtain the load rate of the remaining line through the measuring point information of the associated line, the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment, a line topology path table, a real-time remote measurement value table and a power grid equipment table.

Step S408, integrating the analysis result of the backup power automatic switching power supply of the preliminary line-type power failure device, the substation correction condition analysis table, the measurement point information of the line, and the load rate of the remaining line to obtain the analysis result of the backup power automatic switching power supply of the line-type power failure device.

In the embodiment of the invention, the spare power automatic switching power supply analysis is carried out on the line type power failure equipment to obtain the analysis result table of the spare power automatic switching power supply of the 110kV line type power failure equipment.

In the method for analyzing the risk of the power failure plan provided by the embodiment of the invention, the spare power automatic switching power supply analysis is carried out on the line type power failure equipment, and the spare power automatic switching power supply analysis result table of the line type power failure equipment is obtained by carrying out the spare power automatic switching power supply analysis on the line type power failure equipment through the system, so that the efficiency of the risk analysis of the power failure plan is improved.

Referring to fig. 5, fig. 5 is a block diagram illustrating an embodiment of a risk analysis device for power outage planning according to the present invention, including:

the identification module 501 is configured to identify, according to an obtained maintenance plan in the system maintenance table, maintenance equipment in the maintenance plan to obtain a power failure equipment table;

a classification module 502, configured to classify the power failure devices in the power failure device table to obtain multiple power failure device types, and perform backup power automatic switching power analysis on the power failure devices based on the multiple power failure device types to obtain a backup power automatic switching power analysis result table;

a judging module 503, configured to judge whether the power outage device has a spare power automatic switching power supply; if yes, go to step 504 of the analysis module; if not, determining that the power failure equipment has a voltage loss risk, and not performing subsequent analysis;

an analysis module 504, configured to perform a predictive load analysis on the backup power automatic switching power supply of the power outage device to obtain a predictive load analysis result table of the backup power automatic switching power supply;

a load module 505, configured to determine, based on the predicted load analysis result table, whether a load rate of the backup power automatic switching power supply of the power outage device exceeds 100%; if yes, generating a load control requirement; if not, no load control requirement analysis is carried out;

and the compiling module 506 is configured to compile based on the power outage equipment table, the backup power automatic switching power supply analysis result table, the predicted load analysis result table, the load rate, and the load control requirement to obtain a power outage plan risk report.

Optionally, the classification module 502 includes:

the classification submodule is used for classifying the power failure equipment into main transformer type power failure equipment and line type power failure equipment;

the first analysis submodule is used for carrying out analysis on the spare power automatic switching power supplies of the main transformer type power failure equipment and the line type power failure equipment respectively to obtain an analysis result of the spare power automatic switching power supplies of the main transformer type power failure equipment and an analysis result of the spare power automatic switching power supplies of the line type power failure equipment;

and the integration submodule is used for integrating the analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment and the analysis result of the spare power automatic switching power supply of the line type power failure equipment to obtain a spare power automatic switching power supply analysis result table of the power failure equipment.

Optionally, the first analysis sub-module comprises:

the system comprises a first extraction system, a second extraction system and a third extraction system, wherein the first extraction system is used for extracting main transformer information, disconnected main transformer variable-height switch information and bus information from a standing book information table of an obtained system maintenance table;

and the first analysis system is used for carrying out analysis on the spare power automatic switching power supply based on the main transformer, the disconnected main transformer change-over switch and the bus to obtain an analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment.

Optionally, the first analysis system comprises:

the first topology subsystem is used for respectively carrying out topology path analysis on the main transformer and the disconnected main transformer variable-height switch to obtain a main transformer topology path table and a switch topology path table;

the first analysis subsystem is used for carrying out voltage loss risk analysis on the bus based on the main transformer topological path table and the switch topological path table to obtain bus voltage loss risk information;

the load subsystem is used for obtaining measurement point information of the main transformer and the load rate of the rest main transformers according to the relation between the main transformer and the bus, the main transformer topology path table, the bus voltage loss risk condition information and the obtained real-time telemetry table and the transformer table in the system maintenance table;

and the first integration subsystem is used for integrating the main transformer topology path table, the switch topology path table, the bus voltage loss risk condition information, the main transformer measuring point information and the load ratios of the rest main transformers to obtain a spare power automatic switching power supply analysis result of the main transformer type power failure equipment.

Optionally, the first analysis subsystem comprises:

the first judging unit is used for judging whether the bus meets the spare power automatic switching condition or not based on the main transformer topology path table and the switch topology path table; if not, executing the step of the load subsystem after executing the step of the second judging unit; if yes, executing the load subsystem;

the second judging unit is used for judging whether the bus meets a bus serial supply condition or not; if yes, determining that the bus has no voltage loss risk; and if not, determining that the bus has the voltage loss risk.

Optionally, the load subsystem comprises:

the classification unit is used for classifying the main transformer into a bus main transformer and a residual main transformer according to the relation between the main transformer and the bus;

the first load unit is used for obtaining measurement point information of the main transformer and the load rate of the rest main transformers according to the topological path table of the main transformer, the busbar voltage loss risk condition information and the real-time telemetry table and the transformer table in the obtained system maintenance table;

optionally, the first analysis sub-module further comprises:

the second extraction system is used for extracting the line information and the line switch information from the ledger information table of the obtained system maintenance table;

and the second analysis system is used for carrying out analysis on the spare power automatic switching power supply based on the line and the line switch to obtain analysis on the spare power automatic switching power supply and obtain analysis results of the spare power automatic switching power supply of the line type power failure equipment.

Optionally, the second analysis system comprises:

the second topology subsystem is used for carrying out topology analysis on the line according to the equipment incidence relation in the system maintenance table and the line switch to form a line topology path table;

the rejection subsystem is used for preprocessing the circuit, rejecting the circuit which does not need to be subjected to subsequent analysis and obtaining the rejected circuit;

the second analysis subsystem is used for carrying out spare power automatic switching analysis on the rejected lines to obtain a spare power automatic switching analysis table;

the second integration subsystem is used for integrating the real-time remote measurement value table and the transformer table in the line topology path table, the spare power automatic switching analysis table and the system maintenance table to obtain a spare power automatic switching power supply analysis result of line-type power failure equipment;

optionally, the second integration sub-system comprises:

the first integration unit is used for integrating the line topology path table and the spare power automatic switching analysis table to obtain a preliminary spare power automatic switching power supply analysis result of the line type power failure equipment;

the correction unit is used for performing pilot backup power automatic switching condition correction and indirect power supply conversion correction on the transformer substation with the voltage loss condition in the backup power automatic switching power supply analysis result of the primary line type power failure equipment to obtain a transformer substation correction condition analysis table;

the second load unit is used for obtaining measurement point information of the line and the load rate of the rest lines according to the line topology path table, the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment and the real-time telemetering value table and the transformer table in the system maintenance table;

and the second integration unit is used for integrating the analysis result of the spare power automatic switching power supply of the primary line type power failure equipment, the transformer substation correction condition analysis table, the measurement point information of the line and the load rate of the remaining line to obtain the analysis result of the spare power automatic switching power supply of the line type power failure equipment.

Optionally, the analysis module 504 includes:

the determining submodule is used for determining the spare power automatic switching power supply of the power failure equipment as key equipment;

the second analysis submodule is used for carrying out operation risk analysis on the key equipment to obtain an operation risk analysis result of the key equipment;

and the third analysis submodule is used for analyzing by combining the acquired maximum load moment data in the maintenance plan based on the key equipment operation risk analysis result to obtain a predicted load analysis result table of the spare power automatic switching power supply of the power failure equipment.

An embodiment of the present invention further provides an electronic device, including a memory and a processor, where the memory stores an analyzer program, and when the analyzer program is executed by the processor, the processor executes the steps of the risk analysis method for power outage planning according to any of the above embodiments.

The embodiment of the present invention further provides an analyzer readable storage medium, on which an analyzer program is stored, where the analyzer program, when executed by the processor, implements the risk analysis method for power outage planning according to any of the above embodiments.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided in the present application, it should be understood that the method, apparatus, electronic device and storage medium disclosed in the present application may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a readable storage medium readable by an analyzer. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a readable storage medium and includes several instructions for enabling an analyzer (which may be a personal analyzer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned readable storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A risk analysis method for a power outage plan is characterized by comprising the following steps:

s2, classifying the power failure equipment in the power failure equipment table to obtain multiple power failure equipment types, and analyzing the power failure equipment by using the spare power automatic switching power supply based on the multiple power failure equipment types to obtain a spare power automatic switching power supply analysis result table;

s4, carrying out predictive load analysis on the spare power automatic switching power supply of the power failure equipment to obtain a predictive load analysis result table of the spare power automatic switching power supply;

s5, judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100% or not based on the predicted load analysis result table; if so, generating a load control requirement; if not, no load control requirement analysis is carried out;

s6, compiling based on the power failure equipment table, the analysis result table of the spare power automatic switching power supply, the prediction load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report;

the step S2 includes:

s22, performing backup power automatic switching power supply analysis on the main transformer type power failure equipment and the line type power failure equipment respectively to obtain a backup power automatic switching power supply analysis result of the main transformer type power failure equipment and a backup power automatic switching power supply analysis result of the line type power failure equipment;

s23, integrating analysis results of the spare power automatic switching power supplies of the main transformer type power failure equipment and analysis results of the spare power automatic switching power supplies of the line type power failure equipment to obtain a spare power automatic switching power supply analysis result table of the power failure equipment;

the step S22 comprises the step of carrying out automatic power supply analysis on the main transformer type power failure equipment; the step S22 includes:

s221a, extracting main transformer information, disconnected main transformer variable-height switch information and bus information from the ledger information table of the acquired system maintenance table;

s222a, performing spare power automatic switching power supply analysis based on the main transformer, the disconnected main transformer change-over switch and the bus to obtain a spare power automatic switching power supply analysis result of main transformer type power failure equipment;

the step S222a includes:

s2222a, analyzing the voltage loss risk of the bus based on the main transformer topology path table and the switch topology path table to obtain the voltage loss risk information of the bus;

2. The method for risk analysis of power outage plan according to claim 1, wherein the step S2222a includes:

s22221a, judging whether the bus meets the spare power automatic switching condition or not based on the main transformer topology path table and the switch topology path table; if not, after step S22222a is executed, step S2223a is executed; if yes, go to step S2223a;

3. The method for risk analysis of power outage plan according to claim 1, wherein the step S2223a includes:

s22231a, classifying the main transformers into bus main transformers and residual main transformers according to the relation between the main transformers and the buses;

and S22232a, obtaining measurement point information of the main transformer and the load rate of the rest main transformers according to the main transformer topology path table, the bus voltage loss risk condition information and the obtained real-time telemetry table and the transformer table in the system maintenance table.

4. The method for risk analysis of blackout plan according to claim 1, wherein the step S22 further includes a step of analyzing a self-powered-on power supply of the line-type blackout equipment; the step S22 further includes:

step S221b, extracting line information and line switch information from the ledger information table of the acquired system maintenance table;

5. The method for risk analysis of blackout plan according to claim 4, wherein the step S222b comprises:

step S2221b, according to the equipment incidence relation in the system maintenance table and the line switch, topology analysis is carried out on the line to form a line topology path table;

step S2223b, carrying out backup power automatic switching analysis on the removed lines to obtain a backup power automatic switching analysis table;

and S2224b, integrating the line topology path table, the spare power automatic switching analysis table and the real-time remote measurement value table and the transformer table in the system maintenance table to obtain a spare power automatic switching power supply analysis result of the line type power failure equipment.

6. The method for risk analysis of power outage planning according to claim 5, wherein the step S2224b includes:

step S22241b, integrating the line topology path table and the backup power automatic switching analysis table to obtain a primary backup power automatic switching power supply analysis result of the line type power failure equipment;

step S22242b, performing pilot backup power automatic switching condition correction and indirect switching power supply correction on the transformer substation with the voltage loss condition in the analysis result of the backup power automatic switching power supply of the primary line type power failure equipment to obtain a transformer substation correction condition analysis table;

7. The method for analyzing the risk of blackout plan according to any one of claims 1 to 6, wherein the step S4 comprises:

8. A risk analysis device for blackout planning, comprising:

the classification module is used for classifying the power failure equipment in the power failure equipment table to obtain a plurality of power failure equipment types, and performing backup power automatic switching power supply analysis on the power failure equipment based on the plurality of power failure equipment types to obtain a backup power automatic switching power supply analysis result table;

the load module is used for judging whether the load rate of the spare power automatic switching power supply of the power failure equipment exceeds 100% or not based on the predicted load analysis result table; if yes, generating a load control requirement; if not, no load control requirement analysis is carried out;

the assembling module is used for assembling based on the power failure equipment table, the spare power automatic switching power supply analysis result table, the predicted load analysis result table, the load rate and the load control requirement to obtain a power failure plan risk report;

the classification module comprises:

the integration submodule is used for integrating the analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment and the analysis result of the spare power automatic switching power supply of the line type power failure equipment to obtain a spare power automatic switching power supply analysis result table of the power failure equipment;

the first analysis sub-module includes:

the first analysis system is used for carrying out analysis on the spare power automatic switching power supply based on the main transformer, the disconnected main transformer change-over switch and the bus to obtain an analysis result of the spare power automatic switching power supply of the main transformer type power failure equipment;

the first analysis system comprises:

9. An electronic device comprising a processor and a memory, the memory storing analysis machine readable instructions that, when executed by the processor, perform the method of any of claims 1-7.

10. A storage medium having stored thereon a parser program, characterized in that the parser program, when executed by a processor, performs the method according to any of claims 1-7.