Analytical load model for power system components

This paper deals with the derivation of software models for low and medium voltage power systems, including distribution transformers and different loads with regard to the harmonics and power factor corrections. For this purpose, each element of the system is discussed and load models have been developed. The distribution substations can be supplied by medium or low voltage systems which require different solutions. The results presented in this paper are based on the calculation and measurements according to the IEC regulations.