电力负载的无功测控电路设计 毕业论文 电力系统无功功率补偿

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1、电力负载的无功测控电路设计目录毕业设计任务书．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．...I文献综述．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．II指导老师审查意见．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．Ⅲ答辩会议记录．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．Ⅳ评

2、阅教师评语．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．Ⅴ中外文摘要．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．ⅥReactivepowerloadmeasurementandcontrolcircuitdesignReactivepowerloadmeasurementandcontrolcircuitdesignliteraturereviewFist.IntroductionI

3、wrotethisarticleistointroducethecurrentstatusofpowersystemandpowercompensationinpowersystemproblems.Mainlyrelatedtothepowersystemreactivepowercompensationinthearea.ReactivepowerloadmeasurementandcontrolcircuitdesignliteraturereviewLow-voltagereactivepowercomp

4、ensationreactivepowerloadisanimportantpartofcompensation.Improvelow-voltagecompensation,notonlycanreducethelevelofreactivepowercompensationonthepressure,butalsoimprovetheutilizationoftheuserdistributiontransformerstoimprovepowerfactorandvoltagequalityoftheuse

5、r,andcaneffectivelyreducepowerlosses,thusreducingelectricitybills.Reactivepowercompensationandpowersupplydepartmentsofuserbenefit.Existingreactivepowercompensationdevicetypealot,butbasicallybythedetectionunit,controlunit,executionunits,andpowercomponent.Theta

6、skdetectionunitisdetectedfromthenetworkandnetworkpowerfactordirectlyorindirectlyrelatedtotheparameters,andtogiveasgiftsthisparametersignalsandcontrolunit,thecontrolunittobecomparedwiththecontroltargetvalue.Makeswitchingdecisions.Implementationunitisbasedswitc

7、hingdecisionsbyswitchingswitch(ACContactor)Controlofcapacitorswitching,compensationtocompletethetask.31Second,themainAtpresent,thelowvoltagereactivepowercompensationdevicesarestaticanddynamiccompensationdevicecompensationoftwo,thecontrolmethodare:powerfactorc

8、ontrol,reactivePower(orreactivecurrent)controlandothercontrolmethods.Staticanddynamicreactivepowercompensationreactivepowercompensation.StaticVarCompensatorSVCmeansthatwhenthereactivechan