DC-Link Current Reduction for Current Source Converter-Based Wind Energy Conversion System

Abstract

The current source converter (CSC)-based wind energy conversion system is a good candidate for next-generation wind systems. To ensure control objectives, a large dc-link current is used in existing CSC-based wind systems. In this work, a dc current reduction scheme is proposed. It ensures control objectives and reduces the dc current, resulting in a significant power loss reduction. The proposed dc-link current reduction scheme is presented, and its effectiveness is verified by simulations.