考虑后续恢复的扩展黑启动方案多目标优化.pdf

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1、第26卷第2期电力系统及其自动化学报Vol_26No．22014年2月ProceedingsoftheCSU-EPSAFeb．2014考虑后续恢复的扩展黑启动方案多目标优化陈亮，顾雪平，贾京华(1．华北电力大学电气与电子工程学院，保定071003；2．河北电力调度通信中心，石家庄050021)摘要：目前黑启动阶段的恢复策略制定只考虑了初期恢复效果的优劣，而未将系统后续恢复的效果纳入策略目标集。文中综合考虑初期阶段和系统后续恢复效果，以初期阶段内发电量加权和最大化、尽快搭建系统的骨架网络和选择运行性能尽可能利于后续系统电压调整的被启动机组为优化目标，综合考虑机组启动约束和系统运行约

2、束，建立扩展黑启动方案的多目标优化模型；然后结合快速非支配排序遗传算法NSGA—II(fastandelitistnon—dominatedsortinggeneticalgorithm)与最短路径法对扩展黑启动方案求解出Pareto最优解集。该方法避免了求解的目标偏好性，决策者可根据大停电恢复的实际要求选择出最终的满意解。最后以新英格兰10机39节点系统和河北南网实际系统为算例验证所提方法的有效性。关键词：电力系统恢复；扩展黑启动；后续恢复影响；多目标优化；快速非支配排序遗传算法中图分类号：TM76文献标志码：A文章编号：1003—8930(2014)02—0021—06Mul

3、ti-objectiveExtendedBlack-startSchemesOptimizationConsideringSubsequentRestorationInfluenceCHENLiang，GUXue—ping，JIAJing-hua(1．SchoolofElectricalandElectronicEngineering，NorthChinaElectricPowerUniversity，Baoding071003，China；2．HebeiPowerDispatchandCommunicationCenter，Shijiazhuang050021，China)Ab

4、stract：Thecurrentrestorationmethodsonlyconsidertheeffectoftheinitialblack—startstagewithoutconsideringtherestorationeffectofthesubsequentrestorationstage．Inthispaper，amulti—objectiveoptimizationmethodconsider—ingtheeffectsoftheearlyrestorationandthesubsequentrestorationcomprehensivelyispropos

5、ed，wheretheoptimiza—tiongoalsaredesignedtomaximizethetotalweightedpowergenerationoutput(MW‘h)overtheinitialperiod，toex—tendthesubsequentskeletonnetworkassoonaspossibleandtorestoreunitswithgoodperformancesforvoltageregula—tionofthesubsequentsystem，withtheconstraintsoftheunitstart—uptimelimitat

6、ionandsystemoperation．Thenthefastandelitistnon—dominatedsortinggeneticalgorithm(NSGA—II)basedongreedyandtheDijkstraalgorithmareem—ployedtosolvethePareto-optimalsolutionsoftheextendedblack—startschemes．Theproposedmethodavoidsartifi—ciallybalancedsolutions，anddecision-makercadselectthesatisfact

7、orysolutionaccordingtosystemrestorationre—quirement．TheeffectivenessoftheproposedmethodisvalidatedbytheoptimalresultsontheNewEngland10一unit39一buspowersystemandthesouthernpowersystemofHebeiProvince．Keywords：powersystemrestoration；extendedblack