POWERNOKI直流输电技术全国重点实验室中国南方电网StateKeyLaboratoryofHVDCCHINASOUTHERNPOWERGRID2023JINAN柔性直流输电在交直流混联电网中的应用与展望APPLICATIONANDPROSPECTOFVSC-HVDCINAC/DCHYBRIDPOWERGRID黄伟煌南方电网科学研究院Weihuang HUANGSEPRI-CSG2023年9月22日，济南22ndSept.,2023，JINAN春提纲CONTENTS柔性直流的技术特点TechnicalcharacteristicsofVSC-HVDC柔性直流的发展现状DevelopmentofVSC-HVDC川.柔性直流在大电网中发挥的作用RoleofVSC-HVDCinLargePowerGridsIV.柔性直流在新型电力系统的应用与展望ApplicationandProspectofVSC-HVDCinNewPowerSystems2柔性直流技术特点VsC-HVDCtechnicalcharacteristics柔性直流是采用全控型功率器件和模块化拓扑结构的新一代直流输电技术，可控性高、适应性好，可实现有功和无功独立解耦的全域运行。VSC-HVDC is a newgenerationofDc transmissiontechnologythatadopts fully-controlledpowerdevices and modularized topology,withhighcontrollability,andcanrealizefourquadrantsoperationwithdecouplingcontrolofactiveandreactivepower.除了输电外，柔性直流能否部分取代交流系统元件的功能，例如“交流联络线模拟”“虚拟电磁环网”？“直流电厂”？这是本报告主要讨论的问题之Inadditiontotransmission,canVSC-HVDCpartiallyreplacethefunctionsofACsystemcomponents,suchas"Aclineemulation","Virtualelectromagneticloop","Dcpowerstation"?Thesearethemainquestionsthatwillbediscussedinthisreport.“箱革元A“箱量元B箱量元直流侧正极功率模块动率模块功率模块第二象限第一象限母线模功率模块功率模块quadrant2quadrant1桥臂有功和无功独立解耦的全域运行半桥子模块直流侧Half-bridge ModuleIndependent decouplingofactiveandreactivepowerfor full-domainoperation直流侧负极鲜线全桥子模块第三象限第四象限柔性直流拓扑结构Full-bridge Modulequadrant3quadrant 4VSC-HVDCtopology3提纲CONTENTS柔性直流的技术特点TechnicalcharacteristicsofVSC-HVDo柔性直流的发展现状DevelopmentofVSC-HVDC川I.柔性直流在大电网中发挥的作用RoleofVSC-HVDCinLargePowerGridsIV.柔性直流在新型电力系统的应用与展望ApplicationandProspectofVSC-HVDCinNewPowerSystems柔性直流技术发展现状DevelopmentofVSC-HVDC柔性直流技术已成为全球关注热点和发展趋势VSC-HVDCtechno...
