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中文摘要：
基于实时参数P-δ预测暂态系统稳定性，得到发电机功角δ的预测值，以功角预测值不大于预先设定的门槛值作为暂态稳定的条件，通过引入最优控制原理，在系统暂态稳定的条件下，得到发电机最优输入机械功率调整量，把微分方程所描述的电力系统控制，转化为以发电机输入机械功率为控制量的最优控制，以实现暂态稳定最优控制。
英文摘要：
Based on real-time parameter , transient stability is predicted and the predicted value of generator power angle is obtained. Under the conditions that predicted value of power angle is not greater than the pre-set threshold value, the optimal eontrol theory is introduced; under the condition that the system is transiently stable, the adjusted amount for optimal input mechanical power of generators is obtained ; the power system control based on differential e- quation is transformed into the optimal control problem of the generator input mechanical power, with a view to achieving the optimal control of transient stability.
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