...任意时刻短路电流，周期分量，非周期分量，发电机短路过渡过程 [gap=1049]Keyword：short circuit calculation, instantaneous short circuit current, periodic component, aperiodic component, generators’ transient ..
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运算曲线是求解任意时刻短路电流的有效工具。
Operational curve is an effective tool used to calculate fault current at anytime.
目前计算电力系统任意时刻短路电流一般仍沿用传统的运算曲线法，既耗费用户过多的精力，又使计算结果有较大的误差。
The traditional operational curve-based method for instantaneous short circuit currents of power systems is still commonly used, which takes much labor with lower accurate results.
提出了计算电力系统任意时刻分支短路电流的计算模型，并通过实例验证了算法的正确性。
Also, a calculation model for instantaneous branch current is proposed, and is verified by examples. yang qingyun(Power System and Its Automation) Directed by prof.
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