Effect of load models on optimal capacitor allocation in distribution network

The effect of load models on capacitor allocation in distribution network is investigated in this paper It is shown that load models can significantly affect the capacitor allocation. A constant power load model is supposed in most of previous the studies. Such suppositions may lead to incompatible and deceptive results about loss reduction and other subsequent calculations. It has been demonstrated that capacitor allocation based on such assumptions would not be effective after implementation. It is shown that load models can significantly affect the optimal location and sizing of capacitor in distribution networks. A comparative study of real and reactive power loss, real and reactive power intake at the main substation and MVA support provided by installing capacitor for different type of load models has been done.