IEC60034-2-1Edition1.02007-09INTERNATIONALSTANDARDNORMEINTERNATIONALERotatingelectricalmachines–Part2-1:Standardmethodsfordetermininglossesandefficiencyfromtests(excludingmachinesfortractionvehicles)Machinesélectriquestournantes–Partie2-1:Méthodesnormaliséespourladéterminationdespertesetdurendementàpartird’essais(àl’exclusiondesmachinespourvéhiculesdetraction)INTERNATIONALELECTROTECHNICALCOMMISSIONCOMMISSIONELECTROTECHNIQUEINTERNATIONALEXBICS29.160PRICECODECODEPRIXISBN2-8318-9250-3Thisisapreview-clickheretobuythefullpublication–2–60034-2-1©IEC:2007CONTENTSFOREWORD...........................................................................................................................4INTRODUCTION.....................................................................................................................61Scope...............................................................................................................................72Normativereferences........................................................................................................73Termsanddefinitions.......................................................................................................84Symbolsandabbreviatedterms......................................................................................134.1Symbols................................................................................................................134.2Additionalsubscripts..............................................................................................145Basicrequirements.........................................................................................................155.1Directandindirectefficiencydetermination............................................................155.2Uncertainty............................................................................................................155.3Preferredmethods................................................
