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PowerTransmissionandDistributionEV-H2_01.98-1HVDCPLUSPowerLinkUniversalSystemsEV-H2_01.98-2HVDCPLUSPowerLinkUniversalSystems PowerTransmissionandDistributionEV-H2_01.98-2HVDCPLUSPowerLinkUniversalSystemsVSCbasedDCTransmission -BasicPrincipleandApplications-OperatingDiagram -Converters-Cable-ControlandProtection ! # $ PowerTransmissionandDistributionEV-H2_01.98-3HVDCPLUSPowerLinkUniversalSystems PowerTransmissionandDistributionEV-H2_01.98-4HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersMajorComponents%& # ! PowerTransmissionandDistributionEV-H2_01.98-5HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersTwoLevelVSCPowerTransmissionandDistributionEV-H2_01.98-6HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConverterTwoLevelVSC(PhaseModule)+–+–ϑVd2Vd2Vd2+–Vd2VacVacPowerTransmissionandDistributionEV-H2_01.98-7HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersBasics'=IpN+jIqN'=IpN+jIqNTransformerratio(1&RQ1capacitiveinductiveINqINp&RQ(1∆∆(1&RQ∆'(1&RQ∆'''&RQ1∆'GjXTPowerTransmissionandDistributionEV-H2_01.98-8HVDCPLUSPowerLinkUniversalSystemsSTATCOMSSSCUPFCHVDCPLUS-BacktoBack-LongDistanceVoltageSourcedConvertersApplicationsPowerTransmissionandDistributionEV-H2_01.98-9HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersOperatingDiagram(I)λ=−1.01.0−0.80.8−0.60.6−0.40.4−0.20.20-1.01.01.0α=1e−10.8e−10.6e−10.4e−10.2e−110.2e+10.4ex+10.6e+10.8e+1e+arcsin(e)s=1.0pup[pu]q[pu]inductiveq[pu]capacitive9,,,9 ∆9{Re}1S1FRQ1TφαNxxxxxxxxxxNNN()()()pexqexNN==αλαsin1-cos1λ-1.0vN=1.0pu2NnTTxVSXe=Ncon’VV=λPowerTransmissionandDistributionEV-H2_01.98-10HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersOperatingDiagram(II) S DEVRUEHGLQ SXT FDSDFLWLYH LQ SXT LQGXFWLYH LQ SXS IHG LQ SX) ) S DEVRUEHGLQ SXT FDSDFLWLYHLQ SXT LQGXFWLYH LQ SXS IHG LQ SX) ) & & PowerTransmissionandDistributionEV-H2_01.98-11HVDCPLUSPowerLinkUniversalSystems PowerTransmissionandDistributionEV-H2_01.98-12HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConvertersThreeLevelVSCPowerTransmissionandDistributionEV-H2_01.98-13HVDCPLUSPowerLinkUniversalSystemsVoltageSourcedConverterThreeLevelVSC(PhaseModule)–+MM+––+MϑVd2Vd2Vd2Vd2VacVacPowerTransmissionandDistributionEV-H2_01.98-14HVDCPLUSPowerLinkUniversalSystemsValveTechnology2-Levelvs.3-LevelConverter(I)**+*+* &Harmonics(THD)100%approx.50%du/dt100%50%ValveModules1type3differenttypes(extern,intern,mid-point)Constructioncompactlesscompact(mid-pointclamping) VSCstandardspecialcontrolalgorithms(mid-pointpotential)PowerTransmissionandDistributionEV-H2_01.98-15HVDCPLUSPowerLinkUniversalSystemsValveTechnology2-Levelvs.3-LevelConverter(II)**+*+*,! smallerlarger100%90%'smallerlargerPowerTransmissionandDistributionEV-H2_01.98-16HVDCPLUSPowerLinkUniversalSystems * -'./0'1VDRM4500V(6500V)2vmax2800Vrippleimaxn.a.(3360Vripple)Vmax2500VaverageImax(ph)800ARMS*)(3000Vaverage) # ! *)switchingfrequency750Hz(1000Hz)VSCTechnologyIGBTITQRM~3000APowerTransmissionandDistributionEV-H2_01.98-17HVDCPLUSPowerLinkUniversalSystemsgradingcircuitgradingcircuitgradingcircuitgradingcircuitFibreOpticsInterfaceValveManagementSystemMainControlGUGUGUGUValveTechnologySeriesConnectionofIGBTPowerTransmissionandDistributionEV-H2_01.98-18HVDCPLUSPowerLinkUniversalSystems!3#'./ *## ProtectionofEquipment , ))'*SafeOperationofDiodesduringexternalFaultsHighMechanicalRobustnessofSemiconductorHousingsSuperiorPerformanceofFastDiodescomparedtoReverseConductingIGBT& .ControlofVoltageSharingofSeriesconnectedIGBTsOvervoltageProtectionofIGBTsCurrentLimitingFunctionsValveTechnologyMainDesignFeaturesofConverters(1)PowerTransmissionandDistributionEV-H2_01.98-19HVDCPLUSPowerLinkUniversalSystems!4, #, # 5 ## 653 *# # #)*! ! #highFireResistance,ReliabilityandSeismicRobustness# ) 5 ValveTechnologyMainDesignFeaturesofConverters(2)PowerTransmissionandDistributionEV-H2_01.98-20HVDCPLUSPowerLinkUniversalSystemsHVDCplusDCCableTechnology200MWPowerTransmissionandDistributionEV-H2_01.98-21HVDCPLUSPowerLinkUniversalSystems7! EventPrinterTFRPrinterTFRMasterStationHuman-Machine-InterfaceRouterControlSubstationConverterControl&Pro