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时间:2019-05-18
《电力市场环境下无功功率集中度的评估和分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第23卷第3期电力科学与技术学报V0I.23No.32008年9月J0URNALOFEIECTRICPOWERSCⅢNCEANDTECIINOLOGYSep.2008电力市场环境下无功功率集中度的评估和分析S.K.Parida,S.N.Singh,S.C.Srivastava(印度理工学院电气工程系,印度坎普尔208016)摘要:通过测量发电机有效可用的无功功率,已经实现了无功功率集中度的评估.采用基于价值的方法,考虑有功无功负载最大时所需的无功出力,计算有效可用无功功率,进而确定发电机组的无功集中度,最后分析了负荷水平对无功集中度的影响.
2、并以IEEE24节点可靠性测试系统和印度75节点系统为例,验证了所提出的评估无功集中度方法的可行性.关键词:无功容量;赫芬达尔.赫希曼指数(HHI);无功功率集中度;电力市场中图分类号:TM73;F123.9文献标识码:A文章编号:1673-9140(2008)03-0018-07AssessmentandanalysisofreactivepowerconcentrationinelectricitymarketsS.K.Parida,S.N.Singh,S.C.Srivastava(DepartmentofElectricalEngin
3、eering,IndianInstituteofTechnologyKanpur,Kanpur208016,India)Abstract:Assessmentofreactivepowerconcentrationhasbeencarriedoutbymeasuringtheeffectivea-vailabilityofreactivepowerfromgenerators.Theeffectiveavailabilityiscomputedthroughavaluebasedapproach,whichconsidersreactive
4、powersupporttowardsmaximumrealandreactiveloading.Thismeth—odhasbeenutilizedtofindthegeneratorshavingmoreconcentration.Finally,theimpactofsystemload—ingonreactivepowerconcentrationhasbeenanalyzed.TheproposedmethodforassessmentofreactivepowerconcentrationiSdemonstratedonIEEE
5、24一busreliabilitytestsystemand75一busIndiansystem.Keywords:reactivepowercapability;herfindahl—hirschmanindex(HHI);reactivepowerconcentration;eleetricitymarketmanagementofreactivepowersupplyandeonsump—1Introductiontion.ReactivepowerrequirementshouldbeassessedVoltagesupportca
6、nbeobtainedthrougheficientlocally,whichisoneofthemostdifficulttaskstobe收稿日期:2008-08-20作者简介:S.K.Parida,男,博士,高级研究员,主要从事电力工业改革、电力系统优化以及FACTS在电力系统中的应用研究通讯作者:S.N.Singh,男,博士,教授,IEEE高级会员;E-mail:snsingh@iitk.ac.in第23卷第3期s.K.Parida,等:电力市场环境下无功功率集中度的评估和分析addressed.Unlikeactivepowerg
7、eneration,reactivewhichhelpsthesystemoperator(SO)toanalyzethepowergenerationandcontrolisimplementedlocally,systemreliabilityinviewofeficientreactivepowerbyinstallingreactivepowersourcessuchasshuntca—supplyandconsumption.Asensitivitymethodhaspaeitors/reactorsatdesiredlocati
8、onsinthesystem.beenusedfortl1eRPCassessmentatloadbuseswitha—Thechoiceofthebestlocationsto
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