可控串联补偿（TCSC）装置选址与定容研究

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1、ABSTRACTAsaconsequenceofthederegulationofelectricitysupplyindustryandintcrconnec-tionofpowernetwork,FlexibleACTransmissionSystem(FACTS)hasbeenpaidmoreandmoreattentionsbyresearchers．Itischaracterizedwithfastrespondence．effectivecontrolonsystemparametersandpowerflow．111cwideapplicationofFACT

2、Sdevicescanbringmanybenefitsforthewholesystem．Ithastheadvantagesofeffectivelyincreasingthetransfercapability,reducingthenetworklossandimprovingthesystemstabilitywithoutchangingthegenerationmodeandnetworkstructure．SoithasbeenanoticeableproblemforresearcherstotakegooduseofFACTSdevices．n圮impr

3、ovementoftransfercapability啪beagreatincreaseofeconomicalprofitunderthepowermarketenvironment．Atthesametime，itishelpfultoimprovethereliabilityofpowersupplyanddecreasetheresat'vecapabilityforpowersupplyarea$．However,duetotheexpensiveCOst,itisveryimportanttoattaintheoptimalallocationofFACTSde

4、vices．TCSCisoneofthemostwidelyuseddevices．OnthebaseofanalyzingthecharacteristicsofTCSC．an鲫methodologytoattaintheoptimallocationandparametersofTCSCisdevelopedinthisthesisandthefollowingworkiscompleted：1．ForthecalculationofTCSClocations，Asensitivityindexisderivedtoevaluatetheinfluences011tot

5、altransfercapabilitycausedbydifferentlocationsofTCSC．耽etotaltransfercapabilityiscalculatedwiththeconsiderationofthestaticvoltagestabilityconstraints．2．AprobalityindexisproposedwiththeconsiderationofloadandgeneratoroutputuncertaintiesbyMonteCarlosimulation．Combinedwiththesensitivityindex，th

6、eoptimallocationofTCSCisattained．111eeffectsofloaduncertainties。powerincreasingmod鼯ontheresultsarealsodiscussed．3．ForthecalculationofoptimalcapabilityofTCSC，aneconomicalmodeliscstabilished,inwhichthetotalincomeofTCSCinvestmentismaximizedtofindtheoptimalparametersandnon-sequentialMomeCarloa

7、lgorithmisalsousedtoconsidertheuncertainfactors．4．TheIEEEl4andIEEEIl8systemisillustratedasanexampletovalidatetheadvantageoftheproposedmethods．KEYWORDS．FACTS，TCSC，staticvoltagestability,optimallocation,optimalparameter,totaltransfercapability独创性声明本人声明所呈交的学位论文是本