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IGBT characterisation for their protection by fuses

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4 Author(s)
de Palma, J.-F. ; Soc. FERRAZ, Saint Bonnet de Mure, France ; Mulertt, C. ; Son Duong ; Schaeffer, C.

The case of a power IGBT can be severely damaged by high fault currents. Fast fuses can eliminate this problem. Studies and tests show that a specially designed fuse can prevent an IGBT from exploding and keep the circuit inductance below acceptable values. A thermal model is proposed in order to see how an IGBT behaves thermally during short circuits and thus to select the appropriate fuse

Published in:

Power Electronics and Drive Systems, 1995., Proceedings of 1995 International Conference on

Date of Conference:

21-24 Feb 1995