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Development of a driver board power supply for high power IGBTs used in three-phase inverters

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1 Author(s)
Liuchen Chang ; Dept. of Electr. Eng., New Brunswick Univ., Fredericton, NB, Canada

High power IGBTs have been widely used for medium power inverters up to 200 kVA. Their driver circuits often require multiple-output, isolated power supplies. This paper presents a simple flyback power supply especially designed for the driver boards of three-phase IGBT inverters. The detailed circuit diagrams and typical waveforms are reported. Certain performance data are given. The power supplies have been used in 100 kVA inverters for an electric vehicle drive and for a wind turbine inverter

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:11 ,  Issue: 8 )