Power Quality Improvement Using UPQC for Wind Farm Generation System

Abstract

This project proposes a compensation strategy based on a particular CUPS device, the Unified Power Quality Compensator (UPQC). The control strategy of the Unified Power Quality Compensator device is to regulate the voltage in the Wind Farm, mitigate voltage fluctuations at grid side, manages active and reactive power in the series and shunt converters of the Unified Power Quality Compensator, and the exchange of power between converters through UPQC DC-Link. Simulations results show the effectiveness of the proposed compensation strategy for the enhancement of Power Quality and Wind Farm stability. In this project, a new compensation strategy implemented using an UPQC type compensator was presented, to connect SCIG based wind farms to weak distribution power grid. The simulation results show a good performance in the rejection of power fluctuation due to “tower shadow effect” and the regulation of voltage due to a sudden load connection. So, the effectiveness of the proposed compensation approach is demonstrated in the study case.