新型固態(tài)限流器控制系統(tǒng)的改進(jìn).pdf

1、浙江大學(xué)電氣工程學(xué)院碩士學(xué)位論文新型固態(tài)限流器控制系統(tǒng)的改進(jìn)姓名：王曉玲申請學(xué)位級別：碩士專業(yè)：電力系統(tǒng)及其自動(dòng)化指導(dǎo)教師：江道灼20080501浙江人學(xué)碩一L學(xué)位論文AbstractWiththecontinuousexpansionofpowersystem’Sscaleandcapacityshort—circuitcapacitybecomesasignificantconstraintfactortothedevelopmen

2、tofpowersystemTherefore，takingrapidmeasurestolimittheshortcircuitcurrentisrequiredtoreducethedamagetothepowersystemwhichiscausedbytheshortcircuitfaultThetraditionalmethodstolimittheshortcircuitcurrenthavemanyshortcomings

3、SonewcurrentlimitingtechnologyturnsintooneofthehotresearchspotsathomeandabroadAlongwiththedevelopmentofpowerelectronicstechnology，theSolidStateFaultCurrentLimiter(SSFCL)hasbroadprospectsfordevelopmentThenewtypeSSFCLhasma

4、nyadvantagessuchasasimplestructure，flexibleapplication，goodcurrentlimitingperformanceandlowwastageOnthebasisofformerresearchonthenewtypeSSFCL，thispaperfurtheranalysesanddiscussestheimprovementonthecontrolsystemandperform

5、anceMoreoveritdosepreliminarystudyontheachievablestructureandworkingprincipleofthecurrentlimitedUnitedPowerFlowController(UPFC)，whichisbroughtforwardinthelabandsimulatestheoperationaswellThefirsttwochaptersmainlyintroduc

6、ethebackgroundandresearchstatusofSSFCL，expatiatethetopologyandcontrolstrategyofthenewtypeSSFCL，andbrieflypresenttheprincipleofthecurrent—limitedUPFCThet11irdchapterelaboratestheimprovementonthestructureandtheoptimization

7、performanceofthe10kV／600A／10kAindustrialprototype’ScontrolsystemdevelopedonthelaboratoryMeanwhile，itspecificallyintroducestherealizationandcircuitdesignofthecontrolsystem，whichiscontrollingthealternationandisolationbetwe

8、enthesitemonitoringandcontrolmoduleandtheCOtemonitoringplatformthroughopticalfiberFinallythecorrespondingcircuitboardisbuiltTheforthchapterbrieflydescribesthestructureandworkingprincipleofthecurrent—limitedUPFC。What’smor