Snubber

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Discussion in 'Homework Help' started by Cerkit, May 8, 2010.

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  1. May 8, 2010 #1
    Cerkit

    Thread Starter Senior Member

    Jan 4, 2009
    284
    3
    Hi. Can someone explain why a snubber is needed for thyristor circuits?

    All I understand is that when the thyristor is switched off the capacitor clamps the voltage so that the thyristor does not relatch through avalanche. Is this right?

    Also is a snubber needed for both turn on and turn off?
     
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  2. May 8, 2010 #2
    bertus

    Administrator

    Apr 5, 2008
    18,370
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