A load modeling using ANN for power system analysis

A load model is very important to improve the accuracy of stability analysis and load flow study in power systems. A power system bus is composed of various loads, and these loads have different power consumptions to voltage/frequency changes. Thus, the effect of voltage/frequency changes must be considered in load modeling. In this research, an ANN was used to construct a component load model for more accurate load modeling. A typical residential load was selected, and experimented on voltage/frequency changes. Acquired data used to construct component ANN models, and an aggregation method of the component load model are presented based on component load model and composition rate. Furthermore, the transformation method used in traditional power system analysis software is also presented.