Analysis of OLTC behaviour in a wind power integrated distribution system

Abstract

With introduction of wind power distributed generation into the distribution system, the reactive power drawn from and injected to the system are affected. This further affects the load bus voltages due to which on load tap changers of the transformers respond to maintain the terminal voltage. Due to the intermittent behaviour of wind, the reactive power requirements of wind generator vary. This may effect the behaviour of the tap changing transformer. In this paper an investigation of on-load tap changing transformer is done with and without wind power generator in the distribution network using voltage sensitivity analysis.