Impact of variable solar PV generation on MV distribution systems

This paper addresses the impact of variable solar PV generation on voltage profile and determines maximum allowable active power injection by solar PV generation in distribution system. Investigation is carried out using sensitivity analysis methodology and tested on a sample MV (Medium Voltage) distribution system. Variability of power production using solar PV system is determined by estimating global solar radiation for hourly period. Voltage sensitivity associated with active power injections at different buses is calculated thereby determining maximum allowable active power that can be accommodated in the sample MV distribution network through solar PV generation.