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