Abstract
The large-scale access of distributed generation brings challenges to the operation, control and protection of traditional distribution network. The reactive power coordination optimization problem of wind power connected to distribution network was studied in this paper. A reactive power optimization model considering economy and voltage quality was established, and AHP method was used to select the weight, which overcomes the problem that the multi-objective weight is subjective and difficult to solve. Moreover, harmony search algorithm and particle swarm optimization algorithm were introduced to solve the model respectively to avoid the shortcomings of traditional algorithm which is easy to fall into local optimum. Finally, the control strategy of distribution network reactive power optimization was obtained. The simulation results show that the proposed optimization model and algorithm can ensure the voltage quality and economic benefits of distribution network nodes under relevant constraints.
Published Version
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