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1. The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply of frequency of





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  • By: guest on 02 Jun 2017 12.51 am
    For inverter grade SCR, typical turn off time (toff) is 5 to 50 μsec while 50 to 100 μsec for converter grade SCR. Hence supply frequency of 5 kHz will turn off the SCR by voltage reversal
    because = 200 μsec.
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