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一、三相交流电的基本特性及其相序关系目前我国的供电都是采用“三相三线制”或“三相四线制”,并规定每相供电频率为50赫芝。三相交流电有如下几个基本特性: (一)三相交流电是按相序排列的
First, the basic characteristics of the three-phase AC and phase sequence At present, China’s power supply is the use of “three-phase three-wire” or “three-phase four-wire” and provides for each phase supply frequency of 50 Hertz. Three-phase AC has the following basic features: (A) three-phase alternating current is arranged in phase order