Abstract
The wiring inductance is one of main causes limiting the use of the inverter in hard commutation mode, particularly when voltage, current and switching frequency are increased. The busbar technology is the means that allows one to reach low wiring inductance between DC source and power switches in spite of relatively long connections. This paper deals with studies of busbar structure applied to the high power inverters in order to improve their performances. Two structures of wiring are tested; the traditional one and busbar technology. Experimental and simulation results show that this last technique permits to obtain very low wiring inductance so that no snubber circuits are needed.
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