Towards a 99% Efficient Three-Phase Buck-Type PFC Rectifier for 400 V DC Distribution Systems A. Stupar, T. Friedli, J. Miniböck, M. Schweizer, J. W. Kolar Power Electronic…
1 1. INTRODUCTION 1.1 Introduction In many industrial applications it is required to convert variable voltage into fixed voltage or vice versa. An AC/AC converter converts…