变电所毕业设计外文翻译英文文献附录1:-,-,laminatedsteelcoretransformers(towhichthispaperisrestricted),%,,,;therefore,ordancewithLenz’-circuited,-loadcurrenthastwofunctions:(1)icfluxinthecore,whichvariessinusoidallybetweenzeroandφm,whereφmisthemaximumvalueofthecoreflux;and(2)-loadcurrentIθisusuallyfewpercentoftheratedfull-loadcurrentofthetransformer(about2to5%).Sinceatno-loadtheprimarywindingactsasalargereactanceduetotheironcore,theno-loadcurrentwilllagtheprimaryvoltagebynearly90º.ponentIm=I0sinθ0,izingcurrent,is90º;,Ie=I0sinθ0,isinphasewiththeprimaryvolt
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