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本文对电力系统发生振荡或异步运行时负荷点的频率的变化规律进行了研究,并从两机系统出发导出了瞬时频率和平均频率的计算公式.
In this paper, the changing rules of the load point frequency in the oscillation or asynchronous operation of the power system are studied, and the formulas of the instantaneous frequency and the average frequency are derived from the two-machine system.