CN107977774A - A kind of method of electrical network weak link automatic identification after failure - Google Patents
A kind of method of electrical network weak link automatic identification after failure Download PDFInfo
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- CN107977774A CN107977774A CN201711114960.0A CN201711114960A CN107977774A CN 107977774 A CN107977774 A CN 107977774A CN 201711114960 A CN201711114960 A CN 201711114960A CN 107977774 A CN107977774 A CN 107977774A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
The present invention relates to electric network fault analysis field, more particularly, to a kind of method of electrical network weak link automatic identification after failure, comprises the following steps：S1：Fault message is obtained, section where obtaining faulty equipment, obtains key equipment information all in section；S2：Generation scanning result is calculated according to fault message；S3：Contrast displaying and weak link are carried out to the section structure data of generation.Risk information before and after failure is carried out contrast to show, allows dispatcher to have visual and clear control to electrical network weak link after failure, is targetedly adjusted so as to make in time.
Description
Technical field
The present invention relates to electric network fault analysis field, knows automatically more particularly, to electrical network weak link after a kind of failure
Method for distinguishing.
Background technology
For now, when electric network fault event is handled, various fault message Statistical Criterias are more messy in China,
Standardization and standard system are not formed, and multi-source data information format and information protection system are relatively simple.The risk of power grid still according to
Shown by classical pathway, be unfavorable for the weak link that operation maintenance personnel intuitively understands power grid.Therefore, in order to tackle and handle in time
Electric network fault event is, it is necessary to establish automatic fault recognition system, the countermeasure that trouble-shooting recovers rapidly, to ensure operation of power networks
Security.
Weak link is a relative concept, such as under a kind of method of operation, risk class caused by some equipment fault
For three-level event, risk class caused by the equipment fault is secondary event after changing the method for operation, then the equipment is to change
A weak link under this method of operation afterwards.
Equipment is more in power grid, while there are substantial amounts of associate device, operational outfit is carried out for weak ring after a failure
There are a large amount of repetitions in the identification of section, workload, with high costs and efficiency is very low.
The content of the invention
The present invention is at least one defect overcome described in the above-mentioned prior art, there is provided electrical network weak link after a kind of failure
Risk information before and after failure, is carried out contrast and shown, allow dispatcher to electrical network weak link after failure by the method for automatic identification
There is visual and clear control, targetedly adjusted so as to make in time.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Electrical network weak link is automatic after a kind of failure
Know method for distinguishing, comprise the following steps：
S1：Fault message is obtained, section where obtaining faulty equipment, obtains key equipment information all in section；
S2：Generation scanning result is calculated according to fault message；
S3：Contrast displaying and weak link are carried out to the section structure data of generation.
Further, in step sl, comprise the following steps：
S11：Timing obtains breakdown switch letter to data acquisition and supervisor control early warning system storehouse read failure source message
Breath, according to switching information, obtains corresponding switch associate device；
S12：Topological analysis is carried out to the equipment by power grid topology model, judges decompression equipment；
S13：Topological analysis is carried out according to decompression equipment, obtains the section where decompression equipment, and obtain pass all in section
Button apparatus；
S14：Whether failure judgement information sets section.
Further, in step S14, whether failure judgement information sets section, if so, S21 is then entered step, if
It is no, then enter step S22；
Wherein, step S21 is to set power system operating mode to calculate trend according to faulty equipment；Step S22 is according to fault message
Calculate generation incident classification.
Further, in step S22, comprise the following steps：
S221：Traversal sets all devices decompression in section；
S222：According to power grid topology model, decompression equipment subordinate equipment is demanded, obtains all decompression equipment；
S223：All decompression equipment are counted, analyze decompression website；
S224：10kv busbares in decompression equipment are counted, statistics institute lossy load and number of users；
S225：Calculated according to accident event judgment rule, generate grade and the preservation of this accident event；
S226：Judge whether equipment in the section that does not travel through also, if then return to step S222；If nothing, enters step
S23。
Further, affiliated step S23 is the scanning result of some section under one section of generation.
Further, in step S224, data acquisition and supervisor control timing push grid measurement data are passed through
10kv bus loads and number of users data are calculated with distribution network systems timing push distribution user data.
Further, in the step s 21, comprise the following steps：
S211：Power system operating mode is set according to faulty equipment program automatically；
S212：Call trend software；
S213：Obtain trend software calculated value；
S214：Update 10kv bus load values；
S215：Return to step S221；
Wherein, the trend software provides the electric network swim value service that calculates, this software is called by remote service and interacted,
Invoked procedure is to be passed to user's pseudo operation parameter device mark and equipment state, trend software root to trend software by interface
Backward the system, which is calculated, according to parameter returns to the electric network swim value after calculating.
Further, in step s 2, determine whether not travel through section, if so, then return to step S1, if nothing, into
Enter step S3.
Further, the common information model data timing of data acquisition and supervisor control push generation power network topology
Model, topological analysis is carried out by power grid topology model.
Wherein, data acquisition is that computer-based dcs and electric power are automatic with supervisor control
Change monitoring system；In electric system, data acquisition and supervisor control the operational outfit at scene can be carried out monitoring and
Control, to realize data acquisition, equipment control, measurement, parameter regulation and various types of signal alarm various functions.Data acquisition with
Supervisor control provides data below and supports, common information model model, measurement information, user data, failure source information.
Wherein, common information model is an abstract model, describes all main objects of electric power enterprise, particularly with electricity
Power runs related object.Power system resource is represented by providing a kind of relation with object class and attribute and between them
Standard method.By defining a kind of common language based on common information model（That is syntax and semantics）So that these application or
System can access common data and exchange information to realize independent of the internal representation of information.This method is adopted from data
Collection obtains common information model model data with supervisor control, and electric network data is obtained by parsing common information model model
And topological structure of electric.
Compared with prior art, beneficial effect is：After electric network fault, this method carries out the risk information before and after failure pair
Than display, allow dispatcher to have visual and clear control to electrical network weak link after failure, targetedly adjusted so as to make in time,
If do not calculated by software, dispatcher can only calculate section equipment N-1 risk class after failure, efficiency pole one by one manually
It is low, while can not be contrasted with the N-1 risk informations of power grid before failure.
Brief description of the drawings
Fig. 1 is present invention overall flow figure in one embodiment；
Fig. 2 is the specific steps in Fig. 1 overall flow figures.
Embodiment
Attached drawing is only for illustration, it is impossible to is interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by attached drawing.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, after a kind of failure electrical network weak link automatic identification method, comprise the following steps：
S1：Fault message is obtained, section where obtaining faulty equipment, obtains key equipment information all in section；
S2：Generation scanning result is calculated according to fault message；
S3：Contrast displaying and weak link are carried out to the section structure data of generation.
As shown in Fig. 2, in the present embodiment, in step sl, comprise the following steps：
S11：Timing obtains breakdown switch letter to data acquisition and supervisor control early warning system storehouse read failure source message
Breath, according to switching information, obtains corresponding switch associate device；
S12：Topological analysis is carried out to the equipment by power grid topology model, judges decompression equipment；
S13：Topological analysis is carried out according to decompression equipment, obtains the section where decompression equipment, and obtain pass all in section
Button apparatus；
S14：Whether failure judgement information sets section.
In the present embodiment, in step S14, whether failure judgement information sets section, if so, S21 is then entered step,
If it is not, then enter step S22；
Wherein, step S21 is to set power system operating mode to calculate trend according to faulty equipment；Step S22 is according to fault message
Calculate generation incident classification.
In the present embodiment, in step S22, comprise the following steps：
S221：Traversal sets all devices decompression in section；
S222：According to power grid topology model, decompression equipment subordinate equipment is demanded, obtains all decompression equipment；
S223：All decompression equipment are counted, analyze decompression website；
S224：10kv busbares in decompression equipment are counted, statistics institute lossy load and number of users；
S225：Calculated according to accident event judgment rule, generate grade and the preservation of this accident event；
S226：Judge whether equipment in the section that does not travel through also, if then return to step S222；If nothing, enters step
S23。
In the present embodiment, affiliated step S23 is the scanning result of some section under one section of generation.
In the present embodiment, in step S224, data acquisition and supervisor control timing push power grid measurement are passed through
10kv bus loads and number of users data are calculated in data and distribution network systems timing push distribution user data.
In the present embodiment, in the step s 21, comprise the following steps：
S211：Power system operating mode is set according to faulty equipment program automatically；
S212：Call trend software；
S213：Obtain trend software calculated value；
S214：Update 10kv bus load values；
S215：Return to step S221；
Wherein, trend software provides the electric network swim value service that calculates, this software is called by remote service and interacted, called
Journey is to be passed to user's pseudo operation parameter device mark and equipment state to trend software by interface, and trend software is according to parameter
Calculate backward the system and return to the electric network swim value after calculating.
In the present embodiment, in step s 2, determine whether not travel through section, if so, then return to step S1, if nothing,
Then enter step S3.
In the present embodiment, the common information model data timing of data acquisition and supervisor control push generation power grid
Topological model, topological analysis is carried out by power grid topology model.
Wherein, data acquisition is that computer-based dcs and electric power are automatic with supervisor control
Change monitoring system；In electric system, data acquisition and supervisor control the operational outfit at scene can be carried out monitoring and
Control, to realize data acquisition, equipment control, measurement, parameter regulation and various types of signal alarm various functions.Data acquisition with
Supervisor control provides data below and supports, common information model model, measurement information, user data, failure source information.
Wherein, common information model is an abstract model, describes all main objects of electric power enterprise, particularly with electricity
Power runs related object.Power system resource is represented by providing a kind of relation with object class and attribute and between them
Standard method.By defining a kind of common language based on common information model（That is syntax and semantics）So that these application or
System can access common data and exchange information to realize independent of the internal representation of information.This method is adopted from data
Collection obtains common information model model data with supervisor control, and electric network data is obtained by parsing common information model model
And topological structure of electric.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of method of electrical network weak link automatic identification after failure, it is characterised in that comprise the following steps：
S1：Fault message is obtained, section where obtaining faulty equipment, obtains key equipment information all in section；
S2：Generation scanning result is calculated according to fault message；
S3：Contrast displaying and weak link are carried out to the section structure data of generation.
2. the method for electrical network weak link automatic identification after a kind of failure according to claim 1, it is characterised in that in step
In rapid S1, comprise the following steps：
S11：Timing obtains breakdown switch letter to data acquisition and supervisor control early warning system storehouse read failure source message
Breath, according to switching information, obtains corresponding switch associate device；
S12：Topological analysis is carried out to the equipment by power grid topology model, judges decompression equipment；
S13：Topological analysis is carried out according to decompression equipment, obtains the section where decompression equipment, and obtain pass all in section
Button apparatus；
S14：Whether failure judgement information sets section.
3. the method for electrical network weak link automatic identification after a kind of failure according to claim 2, it is characterised in that in step
In rapid S14, whether failure judgement information sets section, if so, S21 is then entered step, if it is not, then entering step S22；
Wherein, step S21 is to set power system operating mode to calculate trend according to faulty equipment；Step S22 is according to fault message
Calculate generation incident classification.
4. the method for electrical network weak link automatic identification after a kind of failure according to claim 3, it is characterised in that in step
In rapid S22, comprise the following steps：
S221：Traversal sets all devices decompression in section；
S222：According to power grid topology model, decompression equipment subordinate equipment is demanded, obtains all decompression equipment；
S223：All decompression equipment are counted, analyze decompression website；
S224：10kv busbares in decompression equipment are counted, statistics institute lossy load and number of users；
S225：Calculated according to accident event judgment rule, generate grade and the preservation of this accident event；
S226：Judge whether equipment in the section that does not travel through also, if then return to step S222；If nothing, enters step
S23。
5. the method for electrical network weak link automatic identification after a kind of failure according to claim 4, it is characterised in that affiliated
Step S23 be generation one section under some section scanning result.
6. the method for electrical network weak link automatic identification after a kind of failure according to claim 4, it is characterised in that in step
In rapid S224, pass through data acquisition and supervisor control timing push grid measurement data and distribution network systems timing push distribution
10kv bus loads and number of users data are calculated in user data.
7. the method for electrical network weak link automatic identification after a kind of failure according to claim 3, it is characterised in that in step
In rapid S21, comprise the following steps：
S211：Power system operating mode is set according to faulty equipment program automatically；
S212：Call trend software；
S213：Obtain trend software calculated value；
S214：Update 10kv bus load values；
S215：Return to step S221；
Wherein, the trend software provides the electric network swim value service that calculates, this software is called by remote service and interacted,
Invoked procedure is to be passed to user's pseudo operation parameter device mark and equipment state, trend software root to trend software by interface
Backward the system, which is calculated, according to parameter returns to the electric network swim value after calculating.
8. the method for electrical network weak link automatic identification after a kind of failure according to claim 1, it is characterised in that in step
In rapid S2, determine whether not travel through section, if so, then return to step S1, if nothing, enters step S3.
9. the method for electrical network weak link automatic identification after a kind of failure according to claim 1, it is characterised in that in step
In rapid S1, S2, the common information model data timing push generation power grid topology model of data acquisition and supervisor control, leads to
Cross power grid topology model and carry out topological analysis.
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| CN201711114960.0A CN107977774A (en) | 2017-11-13 | 2017-11-13 | A kind of method of electrical network weak link automatic identification after failure |
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Cited By (2)
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| CN111141994A (en) * | 2020-01-15 | 2020-05-12 | 广东电网有限责任公司 | Method and system for rapidly notifying power line fault |
| CN112186741A (en) * | 2020-09-10 | 2021-01-05 | 贵州电网有限责任公司 | Power grid operation weak point distinguishing method based on BPA (Business Process analysis) simulation calculation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111141994A (en) * | 2020-01-15 | 2020-05-12 | 广东电网有限责任公司 | Method and system for rapidly notifying power line fault |
| CN112186741A (en) * | 2020-09-10 | 2021-01-05 | 贵州电网有限责任公司 | Power grid operation weak point distinguishing method based on BPA (Business Process analysis) simulation calculation |
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