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判断三相交流电的相序有很多方法,而根据电容、电阻判断的方法是最基本的方法.本文介绍一种简易的、旋转式的三相交流电相序判断器.“,”There are many ways to determine the three-phase AC phase sequence capacitance, resistance to determine the method is the most basic method. This article describes a simple, rotating three-phase alternating current phase sequence judgment.