通过计算发电机转速和无功补偿节点电压变化量对各控制器参数的轨迹灵敏度，获得目标函数对各控制器参数的梯度，以便于用共轭梯度法寻找最优解。

Trajectory sensitivity approach is used to assess the gradient of the PSS and SVC parameters on the objective function and then conjugate gradient approach is applied to find the optimum solution.

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本文叙述了采用非线性规划法进行电力系统无功和电压优化的一种实用方法，其数学模型为梯度法。

This paper describes a non-linear programming algorithm for the optimization of voltage and reactive power in the electric power system. The reduced gradient method is used in the algorithm.

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