Reactive power optimal planning of distribution network based on ASPO with harmonic distortion consideration

The desirable scheme of capacitor placement in distribution systems aims at achieving voltage regulation and power loss reduction, while preventing harmonic resonance or magnification. The author proposes the reactive power optimal model for distribution network under the harmonic distortion, configuring the selected node for capacitor by the sensitive method under the harmonic distortion, and solves the reactive power optimization perfectly utilizing the adaptive particle swarm optimization (APSO). The results of IEEE 30-nodes distribution network show that the adaptive particle swarm optimization can obtain the global optimal solution for the configuration of capacitor, also that using this method to select reactive power is reasonable under harmonic distortion and that the optimal model in this paper can optimize the reactive power and restrain the harmonic distortion.