Abstract

In this paper, considering continuation power flow can't deal with separate variables of power system, artificial fish swarm algorithm is brought in continuation power flow to form a new method which is applied to solve the maximum static voltage stability margin. At the meantime, considering the defect of artificial fish swarm algorithm, some improvements are brought in artificial fish swarm algorithm. The algorithm takes the objective function of solving the maximum static voltage stability margin as the food consistency and takes control variables' course quantity as fish individual. Use continuation power flow to calculate every fish individual's food consistency which stands for stability margin. Then, renew the control variables by the behavior of prey, swarm and follow. Finally the maximum static voltage stability margin can be obtained in the global scope. Examples confirm the validity of the algorithm.

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