本文首先根据系统发生三相对称短路时的短路电流，给出了三相矩形母线短路电动力的解析表达式。
The expression for short-circuit electrodynamic force of rectangular bus bars on the basis of the calculation of three-phase symmetry short-circuit current was fi.
以基波潮流和谐波潮流的解耦性为基础，提出了一种将电力系统三相不对称基波潮流和谐波潮流分离迭代的计算方法。
Based on the decoupling of fundamental power flow and harmonic power flow, a separate iteration method for calculating three-phase asymmetrical harmonic power flow in power system is presented.
通过构造一个虚拟的三相对称系统，该检测方法可以推广到单相电力系统的谐波电流检测。
The single-phase harmonic current components can also be detected by the method effectively through constructing a dummy symmetry three-phase power system.
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