容纳小水电弃水及电容器投切的配网优化运行研究

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1、容纳小水电弃水及电容器投切的配网优化运行研究第39卷第4期电力系统保护与控制onandContro1V01.39No.4Feb.16,2011彭显刚1，张聪慧1，王星华19刘艺1，余欣梅2（1.广东工业大学自动化学院，广东广州510006；2.广东省电力设计研究院系统规划部，广东广州510900）摘要：随着能源危机和环境挑战，越来越多基丁包含小水电的分布式电源并入配电网运行。为了充分利用小水电的发电能力，分析了小水电群的运行特性，提出了计及电容器投切约束和小水电弃水的优化控制方法与策略，利用改进的PS0智能算法进行目标的优化求解.利用IEEE9节点系统对该方案进

2、行测试仿真计算，结果表明该算法能够很好地获取全局最优解。该方法可应用于含宥小水电等分布式电源的配电网优化运行分析中.关键词：配电网络；运行优化；PS0算法；小水电弃水；电容器投切Researchonoptimaloperationsofdistributionsystemwithaccommodationwaterdischargeofsma1lhydropowerstationandcapacitor—switchingPENGXian,gan91,ZHANGCong—hui1,WANGXing—hual,LIUYi1,YUXin-mei2(1.Depamne

3、ntofdongUniversityofzhou510006,ChinaanningDivision,GuangrDesignlnstitute10900,China)Abstract：Withtstationhasbeencrisisandenvirge,moreandmoretodistributedgenonsmallhydropewethedistributioAutomation,GuangTechnology,Guang；2.PowerSystemPldongElectricPowe,Guangzhou5heenergyconnectedonment

4、alchal1eneration(DG)basedrnnetwork.Inordertomakefullu°°ofthesmallhydropowerexp1oitationcapacity.thecontro1operationcha“1cteris缶Icsofsma11capacitor—switchinglimitationhydropowerstationareana1ysed，and角瓜optimizationmethodandstrategycontainingtheandthewaterdischargeofsma11hydropowerstati

5、onisofproposed.Anewintel1igentPSOa1gorithmismethodistestedbyIEEE9—busproposedtosolvethisobjectiveoptimizationmethodiscapablehydropower.Theproposedsystem,thethemethodinvestigationsrevealthatofobtainingg1oba1optima1solutionsefficiently.Thesatisfyingresu1tshowsthatsmallproposedcanstatio

6、n,etc.beusedintheoptimaloperationana1ysisofdistributionnetworkwithdistributedgenerationssuchsma11hydropowerThisworkissupportedKeywords:distributionbyNaturaIScienceFoundationofGuangdongProvince(No.101510090010asproposedcanstation,etc.beusedintheoptimaloperationana1ysisofdistributionne

7、tworkwithdistributedgenerationssuchsma11hydropowerThisworkissupportedKeywords:distributionbyNaturaIScienceFoundationofGuangdongProvince(No.10151009001000045).network；operationoptimization；PSOalgorithm；waterdischarge：capacitorswitching文献标识码：A文章编号：中图分类号：TM761674—3415(2011)04—0058—040引言

8、在近几年国家节能减排的政