Optimal Allocation of the Active Filters Based on the Tabu Algorithm in Distribution Network

It is an effective measure to reduce voltage distortion and guarantee power quality by allocating active filters in distribute network. The location and parameter of active filters are coded firstly, then the active filter's capacity is calculated through solution variable based on calculation of the harmonic power flow. This ensures the filter's safty operation constraint. The current optimal variables are founded in adjacent area with the evaluation function that the investment of active filters is smallest. The current optimal solution is judged by the constraints of voltage distortion standards to obtain wheather it satisfies the commands. The current optimal solution is updated through Tabu movement. Example shows that the location and parameter of active filters allocated by the Tabu algorithm can restrict harmonic voltage distortion in each node of distribution network effectively.