D-VAR 解决电能质量难题(美国超导公司AMSC )

AMSCD-VAR致力解决电能质量问题2AMSCCONTENT提纲™美国超导公司介绍AMSCCorp.Overview™D-VAR系统概述D-VARSystemsOverview™利用动态无功补偿满足风电并网要求MeetingInterconnectionRequirementsusingDynamicReactiveCompensation™利用动态无功补偿解决电网电能质量问题SolvingpowerqualityproblemsinGridusingDynamicReactiveCompensation™小结及讨论Q&A3AMSC美国超导公司介绍AMSCCorporateOverview4AMSCAMSC’sPositioninthePowerInfrastructure美国超导公司服务电力行业Generation发电Use用电9WindgeneratorsSeaTitan超导风力发电机►Powerplantgenerators电厂发电机►Powerplanttransformers电厂变压器►Shipgenerators舰船发电机9Powercables电力电缆9Faultcurrentlimiters故障限流器9SecureSuperGridsSmartPowerCable安全超级电网/智能电缆►Transformers变压器9Shippropulsionmotors舰船推进电机9Degaussingcables消磁电缆►Industrialmotors工业电机►MagLevtrains磁悬浮列车►Magneticprocessing磁处理9Windturbinedesigns风机设计9Windturbineelectricalsystems风机电控系统9Solarfarmelectricalsystem太阳能发电站电控系统9Gridreliabilitysolutions电网稳定解决方案9Gridcapacitysolutions电网容量解决方案9Windfarmgridinterconnectionsystems风电并网系统9Industrialpowerqualitysolutions工业电能质量解决方案9Fuelcellvehicles燃料电池汽车9Weaponsystems武器系统►Motordrives电机驱动►Electricvehicles电动车Delivery输配电(“theGrid”电网)PowerSystems电力系统Superconductors超导NetworkSolutionsTeam网络解决方案团队9AMSCFocusToday美国超导公司目前产品/方案►AMSCFutureOpportunity美国超导公司未来的方向/机会5AMSCOurApproachtothePowerGridAMSC在电网领域有所作为zPrimarygridproductsandsolutions主要产品及方案¾Gridanalysesandsolutions(NetworkSolutionsTeam)电网分析及电网规划设计¾Voltageregulations,controlsystems,powercables,surgesuppressors电压调节、控制系统、电缆、故障限流器oReactivecompensationtoday今日科技——动态无功补偿oHTSsolutionsinthenearfuture技术储备——高温超导技术zBenefits客户收益¾Preventblackouts防止大面积停电¾Enhancepowerthroughput点网增容¾Providedigital-gradepower数字级电力技术¾Reducegreenhousegasemissions减少温室气体排放¾Relievegridchokepoints缓解电网拥塞¾Improveefficiency提高效率6AMSCD-VAR系统概述D-VARSystemsOverview7AMSCD-VARSystem-DynamicVARDeviceD-VAR系统-动态无功补偿设备zFullyIntegratedIGBTbasedSTATCOMwithproprietaryoverloadcapabilityof2.67timesitscontinuousrating基于全集成的IGBT设计，D-VAR（一种STATCOM产品）的过载能力是其额定功率的2.67倍zProvidesdynamicreactivecapability–bothleadingandlagging提供动态的超前和滞后的无功zD-VARsystemcanseamlesslyswitchothercapacitorsandreactorsaspartofalargerdynamicsolution基于美国超导公司的专利技术，D-VAR系统可与电容器和电抗器实现无缝连接，从而组成大容量动态无功解决方案。zAbout80substationsandwindfarmsaroundtheworlduseD-VARsystems全球接近80个变电站和风场采用D-VAR系统9功率因数调节9电压调节9电网增容9潮流优化9低电压穿越9高电压穿越zModular4MVAsize模块化设计，单体4MVA8AMSCD-VARDeviceOverloadCapabilityD-VAR设备的过载能力ReactivePower2.67PerUnitRating01PerUnitRatingContinuousreactivecurrent连续无功电流1.02.080ProprietaryTechnologyProvidesaCombinationofContinuousDynamicVARswithAdditionalOverloadBoost专有技术提供连续动态无功另外有强大的过载能力Overloadreactivecurrent过载无功电流3.09AMSCAMSCPatentedSoftSwitchTechnology美国超导公司的软开关ProprietaryAMSCtechnologyprovidestrulyseamlessintegrationofshuntcapacitorbanksandreactorswithD-VARSTATCOMtechnology.AMSC的专有技术通过D-VARSTATCOM技术保证并联电容器和电抗器的真正无缝集成Result:Lowercostsolutionswithprovenperformance业经验证的高性价比动态无功解决方案10AMSCD-VAR对电压突变的响应11AMSCD-VARPreventiveMaintenanceD-VAR预防性维护Checks:Filtersclean/replace,generalcondition,louvers,fans,exhaustpassages,checkheateroperationFrontlouvers前面板Exhaustlouvers散热面板Filters防尘滤网Easytomaintain–24x7monitoringbyAMSCavailableAMSC提供实时监控手段保证D-VAR设备易于维护12AMSCD-VARvs.SVCPerformanceD-VAR和SVC无功补偿容量比较D-VARisaCurrentControllingDeviceD-VAR是电流源设备Q=I*V•ReactivePowerislinearlydependentonVoltage发出的无功功率与电压成正比SVCisaImpedanceControllingDeviceSVC是阻抗型设备Q=V2/X•ReactivePowerisdependentonthesquareoftheVoltageSVC的无功功率与电压平方成正比13AMSCMVAROutputvs.VoltageD-VARvs.SVCPerformanceD-VAR和SVC无功补偿容量比较100MVAR为例MVARVoltagepu14AMSCD-VARvs.SVCPerformanceD-VAR和SVC无功补偿容量比较100MVAR为例MVAROutputVpuMVARMVAROutputvs.VoltageMVARVoltagepuD-VARSTATCOMshavemuchmorecapabilitythanthesameMVAsizedSVCsystemsD-VAR与同容量的SVC相比，具有更好的补偿能力15AMSC利用动态无功补偿解决电网电能质量问题SolvingPowerQualityProblemsinGridusingDynamicReactivePowerCompensation16AMSCD-VARApplicationD-VAR应用•Steady-StateVoltageRegulationofaradialline输电线路的稳态电压调节•TransmissionSystemVoltageRegulation/CollapseandPowerTransferLimitations电网中的电压跌落和容量限制17AMSCD-VARSolutionforGrid电网中的D-VAR方案UniqueUtilityProblemsNeedUniqueSolutions不同的电网问题需要不同的解决方案Configurationofinstallationsaredependenton配置方案主要取决于：•AmountofDynamicandStaticreactivecapabilityneeded.动态无功和静态无功的需求•Locationofcriticalloads/supplyareas.主要负荷和电源的所在区域•Loadtypesandloadlevels.负荷类型和负荷水平18AMSC18CASE1实例1VoltageStability电压稳定19AMSCLandsnet+/-40MVARD-VARsystemLandsnet项目中±40MVARD-VAR系统34.5kV27/45MVATransformer138-34.5kV5%Zon27MVAbase132kVBusJoslynVBMSwitch3x10.8MVARCapacitorBanksD-VARInverterswithtotalcapacityof+/-12MVARcontinuousand+/-32MVARshortterm3x12MVARShuntReactors20MVARCapacitorBank(Existing)ControlMonitoringVoltageVoltageCurrentCurrentStatusStatus4MVAD-VAR主控单元ControlSCADA(ModBusTCP)ControlToShunts:Close,TripStatusFromShunts:OpenorClosed,FaultCircuitBreaker4MVA4MVA4MVATransformer34.5kV/480V4%Zon4MVAbase20AMSC20Landsnet+/-40MVARD-VARsystemSteadyStateVoltageregulationLandsnetD-VAR系统用于稳态电压调节未安装D-VAR安装D-VAR电压调节目标范围21AMSC21Landsnet+/-40MVARD-VARsyetemContingencyResponseLandsnetD-VAR系统对电压跌落的快速响应22AMSC22CASE2实例2PowerTransferLimitationsandVoltageStability输电系统增容及电压稳定23AMSC23NortheastUtilities–PowerTransferIncrease美国东北电网D-VAR用于增加传输容量•345kVand115kVtransmissionsy