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《机械英文翻译原文-电力》.pdf

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维普资讯 1340 Wangeta1./JZhejiangUnivSciA 20078f8J:1340-1345 JournalofZhejiangUniversitySCIENCEA ISSN1673—565X(Print);ISSN1862—1775(Online) www.zjueducn~zus;wwwspringerlinkcom E—mail:jzus@zju.educn New findingonout-of-stepseparationconfigurationof large.scalepowersystems W ANG Chao十1GAOPeng,ZHANG Xue—song。SHAOW ei , , (DepartmentofElectricalEngineering,ZhejiangUniversity,Hangzhou310027,China1 (eNARIRelaysElectricCo.,Ltd.,Nanjing211100,China) (ZhejiangElectricalPowerResearchandTestInstitute,Hangzhou310014,China1 (C , rniaIndependentSystemOperator,Folsom,CA95634USA) E-mail:eewangchao@hotmail.tom ReceivedNov.9,2006;revisionacceptedJan.22,2007 Abstract: InthisP印er,twonew concepts_ “mainout—of-stepmode”and “minorout—of-stepmode’’_ areproposedforpower system reliabilityanalysis.Large—scalepowersystem studiesofundthatout—of-stepgeneratorgroupsmayhavechraacteristicsof themainout-of-stepmodeandtheminorout-of-stepmode.Thegeneratorgroupswithmainout—of-stepmodescandeterminethe out—of-stepinterfaceofthelrage—scalepowersystem ,whilegeneratorswiththeminorout.of-stepmodescannotplaysucharole . Therefore,themethodofcapturingtheout—of-stepinterfacebyseekingthelowestvoltagepoint(theout-of-stepcenter)canonly groupthegen
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