电工问题， 求助各位电工师傅 请教电工师傅，求助电工大神
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三相电动机正反转的基本原理：假设左侧接触器是正转，就按L1/L2/L3接。右侧接触器只要按L1/L3/L2接。L1对应A相，L2对应B相，L3对应C相。
你自己再动动脑子，图就不给你画了。
是变频电机吗？
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