... balanced three-phase load 平衡三相负载，对称三相负荷 balanced three-phase voltage 对称三相电压，平衡三相电压 balanced-to-ground 对地平衡的 ...
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... 功率三角形 power triangle 对称三相电压 symmetrical three-phase voltages 正相序（正序） positive sequence ...
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三相对称电压跌落 three phase symmetrical voltage dip
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提出建立一个发生对称三相电压的动画模型，对其进行规划设计，并在微型计算机上开发实施。
A plan for designing and setting up a model of moving graph for the symmetrical three phase voltage is proposed, and it is developed and used in the microcomputer.
三相电压不对称对永磁同步电动机的性能影响较大。
Three-phase unbalanced voltages have great effects on the performance of a line-start permanent magnet synchronous motor.
配电系统三相电压的不对称会对用户造成一系列不利影响。
Voltage unbalance of three phase ac distribution systems adversely affects power customers.
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