第47卷第2期电网技术Vol.47No.22023年2月PowerSystemTechnologyFeb.2023文章编号：1000-3673（2023）02-0848-11中图分类号：TM721文献标志码：A学科代码：470·40考虑台区变压器经济运行区间的智能软开关控制策略涂春鸣，王鑫，杨万里，郭祺，卢柏桦，肖凡（国家电能变换与控制工程技术研究中心(湖南大学)，湖南省长沙市410082）SoftOpenPointControlStrategyConsideringEconomicOperationAreaofDistributionTransformerTUChunming,WANGXin,YANGWanli,GUOQi,LUBaihua,XIAOFan(NationalElectricPowerConversionandControlEngineeringTechnologyResearchCenter(HunanUniversity),Changsha410082,HunanProvince,China)ABSTRACT:Withthewideapplicationofdistributedenergyresourcesandelectricvehiclesinthedistributionnetwork,thepowerimbalanceinthedistributionarea(DA)andtheproblemoflightandheavyloadoperationhavebecomeincreasinglysevere,threateningthesafeandstableoperationofthedistributionnetwork.Thus,asoftopenpoint(SOP)regulationstrategyconsideringtransformereconomicoperationareaappliedtotheinterconnectionofDAsisproposedtoachieveloadbalancebetweenDNs.Further,aimingatthevoltagefluctuationofDCbuscausedbytheloadregulation,afastenergybalancecontrolbasedontheregulationstrategyisproposed.ItcaneffectivelyimprovethevoltagerecoveryspeedandthefluctuationsuppressionabilityoftheDCbusandensuretheeffectiveimplementationoftheregulationstrategy.Finally,thesimulationandexperimentalresultsshowthattheproposedregulationstrategycaneffectivelysolveDAs'powerimbalanceandheavyloadproblems.Moreover,thefastenergybalancecontrolhasexcellentpowerresponseandfluctuationsuppressionability.Theproposedmethodhasstrongengineeringpracticabilityandpopularizationvalue.KEYWORDS:SOP;economicoperation;distributionarea;DCvoltagestability;controlstrategy摘要：伴随配电网中分布式电源的高渗透率接入以及电动汽车等多元负荷的广泛应用，传统配电台区功率不平衡与变压器轻、重载问题日益突出，这将威胁配电网安全稳定运行。对此，该文提出一种应用于台区互联的智能软开关(softopenpoint，SOP)控制策略，在充分考虑变压器经济运行区间前提下，实现互联台区间负荷均衡调控；同时，针对台区负荷基金项目...
