58|·2023年第42卷第4期应用研究|ApplicationResearch基于差分进化算法对光伏电站有功/无功协调优化并网点电压的策略研究何林(中冶赛迪电气技术有限公司,重庆400010)摘要:考虑到光伏电站出力具有随机性、波动性的特点,当其大规模并网后,将对电网的安全运行带来较大影响。因此,探讨了光伏电站有功对并网点电压和损耗的影响,利用光伏逆变器和SVG调节无功的能力,提出了一种基于光伏电站有功协调无功优化并网点电压的方法。建立以光伏电站内部电压偏差和有功损耗的多目标优化模型,利用模糊理论将多目标模型转化为单目标模型,并充分运用自适应差分进化算法对转化后的单目标模型进行优化求解。最后,通过算例仿真结果验证所提方法及模型的合理性。关键词:光伏电站;无功电压控制;差分进化;控制策略BasedondifferentialevolutionalgorithmforastrategystudyontheactivecoordinationreactivepoweroptimizationofphotovoltaicpowerplantsandthegridvoltageHELin(ChinaMetallurgicalCCIDElectricTechnologyCo.,Ltd.,Chongqing400010,China)Abstracts:Consideringthattheoutputofphotovoltaicpowerplantshasthecharacteristicsofrandomnessandvolatility,whenitisconnectedtothegridonalargescale,itwillhaveagreaterimpactonthesafeoperationofthepowergrid.Therefore,Theinfluenceofphotovoltaicpowerstationactiveonthevoltageandlossofthegridconnectionpointisdiscussed,andusestheabilityofphotovoltaicinverterandSVGtoadjustreactivepower,andproposesamethodforoptimizingthegridvoltagebasedontheactivepowercoordinationofphotovoltaicpowerstation.Amulti-objectiveoptimizationmodelbasedontheinternalvoltagedeviationandactivelossofphotovoltaicpowerplantisestablished,themulti-objectivemodelisconvertedintoasingle-objectivemodelbyfuzzytheory,andtheadaptivedifferentialevolutionalgorithmisfullyusedtooptimizeandsolvethetransformedsingle-objectivemodel.Finally,thesimulationresultsofthestudyareusedtoverifytherationalityoftheproposedmethodandmodel.Keywords:photovoltaicpowerstation;reactivepowerandvoltagecontrol;differentialevolution;controlstrategy0引言随着光伏并网技术日益成熟,大型光伏电站建设投产将充分利用太阳能资源[1-4]。考虑到光伏电站出力存在的不确定性特点,将会给并网系统网络...