CN108631298A - A kind of unit style distribution network restoration strategy-generating method based on load balancing distribution - Google Patents
A kind of unit style distribution network restoration strategy-generating method based on load balancing distribution Download PDFInfo
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- CN108631298A CN108631298A CN201810294155.9A CN201810294155A CN108631298A CN 108631298 A CN108631298 A CN 108631298A CN 201810294155 A CN201810294155 A CN 201810294155A CN 108631298 A CN108631298 A CN 108631298A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution, steps 1：System proceeds by fault recovery；Step 2：Matched fault recovery scheme is searched for by experts database matching algorithm；Step 3：The recovery that load balancing distribution is automatically generated by critical path method handles strategy；Step 4：To all recovery policies that above-mentioned algorithm generates, its reliability weighted value and running optimizatin weighted value are calculated, compares optimal recovery policy weighted scoring as a result, confirming the optimal executable strategy that current failure restores；Step 5：Start to execute optimal policy, and remaining strategy is stored according to weighted scoring ranking results in database, as alternative scheme.The present invention promotes the optimization height of distribution network operation, the performance of effect promotes the satisfaction of user to fundamentally improve power supply reliability.
Description
Technical field
The present invention relates to a kind of unit style distribution network restoration strategy-generating methods based on load balancing distribution, belong to distribution
Network technology field.
Background technology
The safe and reliable operation of power distribution network is directly related to social production and people’s lives, once event occurs for power distribution network
Barrier will live to people and bring great inconvenience.It is higher and higher with the degree of automation of power distribution network, it is extensive to carry out distribution network failure
It is to improve security of distribution network, the important leverage of economy and an important component of power distribution automation again.
Currently, distribution network failure recovery technology is mainly optimized using the alignments of traditional load factor size at present
Restore.But with reasons such as the difference of power distribution network customer charge type, the differences of load level, current power distribution network is caused to be powered
Recovery policy is increasingly sophisticated, and original tupe can not adapt to the requirement of existing power distribution network power supply.
Invention content
Purpose：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of list distributed based on load balancing
Member prepares power system restoration strategy-generating method.
Technical solution：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of unit style distribution network restoration strategy-generating method based on load balancing distribution, includes the following steps：
Step 1：System proceeds by fault recovery；
Step 2：Matched fault recovery scheme is searched for by experts database matching algorithm；
Step 3：The recovery that load balancing distribution is automatically generated by critical path method handles strategy；
Step 4：To all recovery policies that above-mentioned algorithm generates, calculates its reliability weighted value and weighted with running optimizatin
Value compares optimal recovery policy weighted scoring as a result, confirming the optimal executable strategy that current failure restores；
Step 5：Start to execute optimal policy, and remaining strategy be stored according to weighted scoring ranking results in database,
As alternative scheme；
Step 6：Whether determination strategy runs succeeded, if being not carried out success, is retaining current operation part equipment
The method of operation under, automatically generate reliable recovery policy, and implementation strategy；
Step 7：Strategy execution success is handled, Petri Nets are completed, troubleshooting report is formed, all information is remembered
It employs and is used in accident post analysis and experts database upgrading.
Preferably, the step 2 includes the following steps：
2.1：Experts database generates, and is carried out entirely by conventional operation mode to unit style power distribution network and misoperation mode
Cycle preview analysis, and the medelling that the optimization under different running method restores is obtained to all preview analysis results and handles strategy
It is stored in matching search when experts database occurs for failure；
2.2：Matching search, using data Method of Fuzzy Matching, including operation data matching, fault type matching, section
Mode matches, and ensures the accuracy of Trouble Match；
2.3：After completing matching search, the experts database processing logic of the condition of satisfaction is checked whether there is, if so, then obtaining special
Family's library optimization processing strategy is added optimal policy and compares queue；If not having experts database processing logic, experts database strategy is abandoned.
Preferably, the data source of the method for operation in system operation real data and assists increasing theoretical meter
Completion mode of the calculation value as abnormal conditions.
Preferably, Strategy Auto generation is extensive using the distribution network failure based on critical path method in the step 3
Multiple policy automatic generating method generates.
Preferably, reliability weighted value Consideration has turn rear power source loads rate of confession in the step 4；Turn after supplying
Whether more power supply natures of all more power supply loads on circuit, including the more power supply loads of detection still have more power supplys, more power supplys
Property whether reliably such as plant stand, same to busbar, same to feeder line；Turn for switching manipulation reliability, including switch it is whether controllable, it is distant
Control success rate；Turn power supply source property, including：Main electric network source, distributed generation resource；Turn power supply source reliability, including turn power supply source,
Turn the failure rate for circuit；Turn for load character and by weather influence factor.
Preferably, running optimizatin weighted value considers that the analysis of wire line damage, sharing of load are balanced in the step 4
Degree factor.
Advantageous effect：A kind of unit style distribution network restoration strategy generating side based on load balancing distribution provided by the invention
Method, this method make full use of management advantage of the unit style pattern to electricity distribution network model, propose a kind of based on load balancing distribution
The realization of unit style distribution network restoration strategy-generating method, the technical method can solve the non-faulting region confession of Complicated Distribution Network
Electric recovery demand, and the recovery policy generated time that the calculating time is fast, complicated, can be ignored in disposed of in its entirety logic, meet
The efficient requirement of distribution network failure processing.Therefore the unit style power distribution network service restoration based on load balancing distribution optimizes plan
Automatic generation method is omited on the basis of ensureing safety and stability, the optimization height of distribution network operation, the performance of effect are promoted, thus from root
Power supply reliability is improved on this, promotes the satisfaction of user.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
Unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution uses medelling
With the tupe that Strategy Auto is combined, automatic identification Petri Nets mode meets power demands.
In unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution at medelling
Reason strategy by the method for operation to unit style power distribution network carry out preview analysis obtain optimization restore medelling handle strategy deposit
Enter matching search when experts database occurs for failure；Strategy Auto is generated automatically generates load balancing point using critical path method
The recovery processing strategy matched.
Automatic identification in unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution
Petri Nets mode refers to when breaking down, by meeting at current failure in experts database matching algorithm search expert library
The recovery policy of reason, the recovery policy of load balancing distribution is automatically generated by critical path method, and is counted respectively to two kinds of strategies
Reliability weighted value and running optimizatin weighted value are calculated, optimal recovery policy is compared, current failure is confirmed as and restores executable strategy.
Reliability adds in unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution
Weights Consideration, which has, to be turned for rear power source loads rate, turns (to detect more for more power supply natures of all more power supply loads on rear circuit
Whether power supply load still has more power supplys, and whether the property of more power supplys is reliably such as plant stand, same to busbar, with feeder line etc..), turn
For switching manipulation reliability (switch whether controllable, the factors such as successful rate of remote control), turn power supply source property (main electric network source, point
Cloth power supply etc.) with reliability (turn power supply source, turn for circuit failure rate), turn for factors such as load characters；Running optimizatin adds
Weights consider the factors such as main wire line damage analysis, sharing of load equilibrium degree.
Due to using in unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution
Unit style distribution, equipment amount is few in unit, therefore, to the complex search of recovery policy, the analysis of advanced application calculate etc. at
To be possible, and there is no not convergence problems.The calculating time is fast, can be ignored in disposed of in its entirety logic, meets distribution network failure
The efficient requirement of processing.
Unit style power distribution network service restoration optimisation strategy automatic generation method based on load balancing distribution is in final strategy
Aspect is executed, it, can be on the method for operation basis for currently having operated equipment component if encountering operation strategy executes failure
On, automatically generate reliable fail-over policy.The processing mode can operate to avoid the division repeatedly of switch, ensure equipment sheet
Body performance.Trusted recovery policy section is being automatically generated, using strategies generating algorithm, recovery policy is capable of safety and stability
It executes.
As shown in Figure 1, a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution, detailed process
It is described as follows：
Step 1：System proceeds by fault recovery.
Step 2：Matched fault recovery scheme is searched for by experts database matching algorithm.
Experts database is generated carries out complete alternation by conventional operation mode to unit style power distribution network and misoperation mode
(running mode data is from system operation real data and assists increasing calculated value as abnormal conditions for preview analysis
Completion mode), and the medelling processing strategy that the optimization under different running method restores is obtained to all preview analysis results and is deposited
Enter matching search when experts database occurs for failure.
A variety of data fuzzy matching such as matching search is matched using operation data matching, fault type, section mode matches
Method ensures the accuracy of Trouble Match.
After completing matching search, the experts database processing logic of the condition of satisfaction is checked whether there is, if so, then obtaining experts database
Optimization processing strategy is added optimal policy comparison queue and (needs to carry out under the current method of operation strategy using experts database strategy
Processing verification and fine tuning, ensure the feasibility of processing strategy).If not having experts database processing logic, experts database strategy is abandoned.
Step 3：The recovery that load balancing distribution is automatically generated by critical path method handles strategy.
Strategy Auto is generated to be generated using the distribution network failure recovery policy automatic generation method based on critical path method, should
The characteristics of method is to calculate convergence, and arithmetic speed is fast.When using unit style distribution network model, due to the unit in modelling
It is independent so as to calculate dimension and substantially reduce, the calculating time further shortened, improve the accuracy of calculating.
Step 4：All recovery policies generated to above-mentioned algorithm calculate its reliability weighted value and running optimizatin weighted value,
Optimal recovery policy weighted scoring is compared as a result, confirming the optimal executable strategy that current failure restores.
Reliability weighted value Consideration have turn for a rear power source loads rate, turn on rear circuit all more power supply loads it is more
Power supply natures (detect whether more power supply loads still have more power supplys, whether the property of more power supplys is reliably such as plant stand, with female
Line, with feeder line etc..), turn the reliability (switch whether controllable, the factors such as successful rate of remote control) for switching manipulation, turn power supply source
Matter (main electric network source, distributed generation resource etc.) and reliability (turn power supply source, turn the failure rate for circuit), turn for load character with
And by factors such as weather influence factors；Running optimizatin weighted value considers main wire line damage analysis, sharing of load equilibrium degree etc.
Factor.
Step 5：Start to execute optimal policy, and remaining strategy be stored according to weighted scoring ranking results in database,
As alternative scheme.
Step 6：Whether determination strategy runs succeeded, if being not carried out success, is retaining current operation part equipment
The method of operation under, automatically generate reliable recovery policy, and implementation strategy.
Patent of the present invention especially emphasizes that the method for operation for retaining current operation part equipment, main purpose are here
Division number in the switch short time is reduced, ensures equipment dependability.Therefore after encountering switching manipulation failure, not at the first time
Using the spare processing strategy of original generation, although spare processing degree of testing the speed is fast, there may be the repetition divisions of switch to ask
Topic especially encounters a wide range of load transfer in the case of large-area power-cuts, due to Operation switch enormous amount, switching manipulation number
It is fewer to measure repetitive operation, it will more early completion fault recovery.In addition spare strategy is generated it is also possible to bringing not using original
The problems such as can restoring the expansion in region.It is quick benefit on the basis of original execution step using fast automatic strategy generating mode
Strategy is filled, since it is without complicated mathematical operation, strategy itself, which generates, can meet real-time requirement, in addition the area to having restored
Domain, can be by the minimum of irrecoverable area reduction without operating repeatedly, while can reduce the power failure repeatedly to user, carries
High user satisfaction.
Step 7：Strategy execution success is handled, Petri Nets are completed, troubleshooting report is formed, all information is remembered
It employs and is used in accident post analysis and experts database upgrading.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution, it is characterised in that：Including as follows
Step：
Step 1：System proceeds by fault recovery；
Step 2：Matched fault recovery scheme is searched for by experts database matching algorithm；
Step 3：The recovery that load balancing distribution is automatically generated by critical path method handles strategy；
Step 4：To all recovery policies that above-mentioned algorithm generates, its reliability weighted value and running optimizatin weighted value are calculated, than
To optimal recovery policy weighted scoring as a result, confirming the optimal executable strategy that current failure restores；
Step 5：Start to execute optimal policy, and remaining strategy is stored according to weighted scoring ranking results in database, as
Alternative scheme；
Step 6：Whether determination strategy runs succeeded, if being not carried out success, in the fortune for retaining current operation part equipment
Under line mode, reliable recovery policy, and implementation strategy are automatically generated；
Step 7：Strategy execution success is handled, Petri Nets are completed, troubleshooting report is formed, all information is recorded and is used
It is used in accident post analysis and experts database upgrading.
2. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution according to claim 1,
It is characterized in that：The step 2 includes the following steps：
2.1：Experts database generates, and complete alternation is carried out by conventional operation mode to unit style power distribution network and misoperation mode
Preview analysis, and the medelling processing strategy deposit that the optimization under different running method restores is obtained to all preview analysis results
Matching search when experts database occurs for failure；
2.2：Matching search, using data Method of Fuzzy Matching, including operation data matching, fault type matching, section mode
Matching, ensures the accuracy of Trouble Match；
2.3：After completing matching search, the experts database processing logic of the condition of satisfaction is checked whether there is, if so, then obtaining experts database
Optimization processing strategy is added optimal policy and compares queue；If not having experts database processing logic, experts database strategy is abandoned.
3. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution according to claim 2,
It is characterized in that：The data source of the method for operation is in system operation real data and assists increasing calculated value as different
The completion mode of reason condition.
4. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution according to claim 1,
It is characterized in that：Strategy Auto generates automatic using the distribution network failure recovery policy based on critical path method in the step 3
Generation method generates.
5. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution according to claim 1,
It is characterized in that：There is reliability weighted value Consideration in the step 4 turns to supply rear power source loads rate；Turn for owning on rear circuit
Whether more power supply natures of more power supply loads, including the more power supply loads of detection still have more power supplys, and whether the property of more power supplys
Reliably such as plant stand, same to busbar, same to feeder line；Turn the reliability for switching manipulation, including switchs whether controllable, successful rate of remote control；
Turn power supply source property, including：Main electric network source, distributed generation resource；Turn power supply source reliability, including turns power supply source, turns for circuit
Failure rate；Turn for load character and by weather influence factor.
6. a kind of unit style distribution network restoration strategy-generating method based on load balancing distribution according to claim 1,
It is characterized in that：Running optimizatin weighted value considers the analysis of wire line damage, sharing of load equilibrium degree factor in the step 4.
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