本文对电力系统分析计算中的对称分量法进行了评述，并与相坐标法进行比较。
The widely used symmetrical coordinates method for power system analysis is reviewed and com-pared with the direct phase coordinates method.
对称分量法及其序网联接技术是电力系统故障处理的传统方法。
Symmetrical components method and its sequence network connection technique are conventional way on fault analysis of power system.
研究了利用相分量计算电力系统不对称故障的方法，说明了该方法的实用价值。
The calculation for asymmetrical failures in electric power systems using phase components is studied with its applicability discussed.
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