Efficiency Comparison of Voltage Source and Current Source Drive System for Medium Voltage Applications

Conference: Internationaler ETG-Kongress 2005 - ETG-Kongress
09/14/2005 - 09/16/2005 at Dresden

Proceedings: Internationaler ETG-Kongress 2005

Pages: 9Language: englishTyp: PDF

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Suh, Yongsug; Steinke, Juergen; Steimer, Peter (ABB Switzerland Ltd, Switzerland)

This paper calculates and compares the efficiency and loss distribution in three most popular state-of-the-art types of medium voltage drive systems; current source drive with active front-end rectifier, current source drive with 18-pulse thyristor rectifier, and three-level voltage source drive with 12-pulse/24-pulse diode rectifier. Based on the proposed simple and accurate method of calculating switching losses, snubber and filter losses, three-level voltage source drive system has been found to produce the highest efficiency of 98.77% under the rated load of 1.6 MW.