A Study on Rising and Reducing Process of Receiving-end Voltage due to Introduction of Large PV Systems into Distribution Power System

Abstract

This paper describes rising and reducing processes of receiving-end voltage due to a reverse power flow from large photovoltaic generation in distribution electric power system. The dependences of the voltage increase and decrease on the length of distribution line are discussed with consideration of vector (phasor) diagram of voltage and current. Furthermore, the effect of leading power factor control of the PV system on the distribution line voltage is also quantitatively revealed.