《机械英文翻译原文-电力》.pdfVIP

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