A Robust Reverse Blocking Switching Device for High Power Direct AC/AC and Current Source Converters

Abstract

This paper deals with a reverse blocking semiconductor switching device, which is optimized for high power direct AC/AC and Current Source Converters. It gives details on the main parts and design criteria in order to reach a robust device. In this paper, basic characteristics and test results are shown for a 400A, 6500V device and the high Safe Operating Area (SOA) capability of the device is demonstrated.