The paper expatiates on the reason of unbalanced magnetic motive force and its preventive measures for asynchronous motor with multipath extended delta connection.
本文阐述了三相异步电动机延边三角形接法多路并联进线时磁动势不平衡的原因，并提出了相应的预防措施。
According to the work of magnetic force, the relationship between induction electro motive force and the energy change in magnetic field is analysed.
根据磁力做功的特点，通过对感应电动势与磁场能量变化关系的分析，得出磁力做功是磁场能量改变的量度、电磁感应现象是能量转换的过程的结。
According to the work of magnetic force, the relationship between induction electro motive force and the energy change in magnetic field is analysed.
根据磁力做功的特点，通过对感应电动势与磁场能量变化关系的分析，得出磁力做功是磁场能量改变的量度、电磁感应现象是能量转换的过程的结。
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