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Design optimisation of a new active resonant snubber for high power IGBT converters

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3 Author(s)
Combrink, F.W. ; Dept. of Electr. & Electron. Eng., Stellenbosch Univ., South Africa ; de T.Mouton, H. ; Enslin, J.H.R.

In this paper a design optimisation procedure for a new active resonant snubber topology, specifically suited for high power IGBT converters, is introduced. After the basic operation principles and certain implementation consideration are discussed, the optimisation strategy, based on an analytical loss evaluation, is described. Experimental results obtained on an IGBT phase-arm fitted with an optimally designed snubber are presented

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Power Electronics Specialists Conference, 2000. PESC 00. 2000 IEEE 31st Annual  (Volume:3 )

Date of Conference: