Research Letter

Determination of the operating voltage for non-linear capacitors as turn-off snubbers in power electronic switches

A. G. K. Lutsch, J. J. Schoeman, J. D. van Wyk
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 7, No 3 | a916 | DOI: | © 1988 A. G. K. Lutsch, J. J. Schoeman, J. D. van Wyk | This work is licensed under CC Attribution 4.0
Submitted: 17 March 1988 | Published: 17 March 1988

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A. G. K. Lutsch,, South Africa
J. J. Schoeman,, South Africa
J. D. van Wyk,, South Africa

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The use of non-linear capacitors improves the efficiency of turn-off snubbers for power electronic switches. The parameters for the determination of non-linear ferro-electric capacitors are discussed and a novel measuring method for the determination of the maximum operating voltage is suggested. The procedure to select ferro-electric capacitors is also discussed.


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