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本文根据单机无穷大母线系统的线性化模型,建立了系统状态方程,并确定了包括电能两个指标(电压,频率)在内的几个系统状态量的目标函数,应用 Liapunov 第二方法使目标函数成为状态量初值和系统系数矩阵的函数;然后,采用可避免求导的直接优化法——复合形法,编制了仿真优化计算程序,计算结果是令人满意的。
In this paper, the system state equation is established according to the linearization model of single bus infinity bus system, and the objective function of several system state quantities including two indexes (voltage and frequency) of electric energy is determined. The Liapunov second method is used to make the objective function Which becomes a function of the initial value of the state quantity and the matrix of the system coefficient. Then, by using the direct optimization method-complex method, which can avoid the derivation, a simulation optimization calculation program is compiled. The calculation result is satisfactory.