智能电网关键技术.pptVIP

*制冷机直接传导冷却的超导磁体 *先进数据采集技术AMI集成通信网络先进二次侧技术#2022*当前状态2-4秒扫描速率功率、电压、电流、断路器状态数据主要来源于变电站电网仅部分可见*智能电网状态750+282j250+84j100+62j20+8j276+120j130+8j300+100j750+262j440+200j120+11j350+150j227+420j704+308j2345761891011121314151617176+88j高速数据获取观测量更多，包括相角、用户状态等增强的电网可观性*先进数据采集技术添加标题信号传感技术电磁互感器电子式互感器添加标题锁相跟踪技术模拟锁相数字锁相添加标题模拟数字变换技术∑-Δ型模数转换方式添加标题时标同步技术GPS同步对时（2套以上）添加标题数据滤波处理技术静态滤波动态滤波添加标题高速数据运算处理技术傅立叶分析法添加标题高速数据网络通信传输技术IEC系列协议*OnlineStabilityMonitoringAnalysisWideAreaVisualizationModelValidationAdjustmentControlledSeparationRestorationImprovesituationalawarenessIncreasetransfercapabilitiesPreventcascadingfailuresreducewide-areablackoutsReducesystemrestorationtimeandoutagedurationsImproveaccuracyofmodelsResearchDevelopmentApplicationDemonstration先进数据采集技术*利用WAMS数据及EMS数据实现全网可视化IndustryIssuesHowtousePMUstoimprovesystemoperatorssituationalawareness?HowtohandlelargevolumeofPMUdata?EPRISolutions:DevelopedwideareavisualizationtoolusingPMUandEMSdataDevelopedevent-replayfunctiontoassistpost-eventanalysisDevelopedreal-timesecuritymonitoringfunctionDevelopeddisturbancelocationdeterminationfunction*基于量测的电压稳定性分析IndustryIssuesNeedonlinevoltagestabilitymonitoringandanalysiscapabilitiesSimulation-basedvoltagestabilityanalysisapproachhaslimitations.EPRISolutions:Developedthree-levelvoltagestabilitymonitoringandanalysisframeworkDevelopedVoltageInstabilityLoadSheddingtocalculatevoltagestabilitymarginatsubstationlevelDevelopedMeasurement-basedVoltageStabilityMonitoringandControlalgorithmtocalculatevoltagestabilitymarginatVoltageControlArealevelDevelopingvisualizationtooltohelpsystemoperatorsmonitorsystem-widevoltagestabilitycondition*基于PMU的解列控制方案IndustryIssuesWheretoseparate?Whentoseparat