分布式电源接入对配电网保护的影响与新方案的分析

《分布式电源接入对配电网保护的影响与新方案的分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、』E塞交道厶堂童些亟：量堂位途塞△旦曼：!：坠尘√￡』ABSTRACTDistributedgenerationaccesschangethestructureofdistributionnetwork，makeradialdistributionsystemsfromasinglepowersupplynetworkintoactivemultiterminalnetworks．thispapermainlyinviewofthedistributedpowersourceofelectricpowersystemprotectionstudy，an

2、ddeterminethedirectionoffaultdirectionelementinadistributionnetworkwithdistributedpoweraccessisnecessary，asisoftenthecase，throughtheprotectioninstalledplacebetweenthevoltageandcurrentofthephaseinformationcandeterminefaultdirectionis，sometimescan‘tgetinthedistributionnetworkvolta

3、gemeasurements，forpowerdistributionlinesinmanycasesnovoltagetransf．onner，orthereissomethingwrongwiththevoltagetransformerortransformeroutputisnotconnectedtotherelayprotectionIEDequipmentsuchas，therefore，how10acauirewithoutvoltagemeasurementfaultdirectiontobecomeapracticalandvalu

4、ableresearchtopic．Thispaperputsforwardanewtypeofnonpressuredirectiondiscriminationelement，adaptedtothedistributedaccessornoaccesstopowersupplyvoltagemeasurementfaultdirectiondiscriminantvaluecondition．PaperfirstaroundDistributedGeneration，DistributedGeneration，DG)accesstodistrib

5、utionnetwork，theinfluenceofthetraditionaltypeandthewayoftheprotect『】lonconfigurationofthedistributionnetworkisintroduced，analyzedthecurrenttypicalolDGconnectedtOthedistributionnetworkplananditsadvantagesanddisadvantages，thenanalysistheimpactof,theDGaccesstodomesticandinternation

6、aldistributionnetwork，focusonanalysisthedirectionofthesolutionsusedinthecomponentsandcharacteristics．PaperDroposesanonpressuredirectionelementalgorithmapplicationsolutionsanditsprotection．analyzesthenewtypenonpressuredirectioncomponentsinVa010u8workingperfomanceinthedistribution

7、networktopology；Distributionnetworksimulationmodelisestablished，thenewdirectionofcomponentperformanceofthealgorithmforthesimulmion，thenonpressuredirectionelementalgorithmcanbeappliedtobusprotectionandlongitudinaldirectionofthenatureofprotection，thethesisdiscussestheapplicationof

8、ideas．ThusIEEE34nodedistributionnetworkwithdist