.交流铁芯线圈电磁基础计算的探讨沈永福 (苏州康开电气有限公司,江苏 苏州 215233)摘要:对交流铁芯线圈进行了测试分析,得出了等效磁路长度与磁动势和磁通的关系,并同时得出了励磁电压U等于自感电动势E的关系和交流铁芯线圈等效电路。关键词:交流铁芯线圈;等效磁路长度;磁阻;励磁电压;感应电动势;等效电阻;有功电流Discussion of basic electromagnetic calculations for A.C. iron core coilSHEN Yong-fu(Suzhou Kangkai Electric Co., Ltd, Suzhou 215233, China)Abstract: By testing and analyzing a.c. iron core, we can not only get the relation between Equivalent magnetic circuit length, magnetic motive force and flux, but also get a conc