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does that mean that there must be an external circuit or device to cause the reversal of capacitor voltage? this question is about a topic regarding the SCR turn off where they actually use a capacitor to provide a negative voltage so that the SCR is reverese biased..... so that is possible with the ways you mentioned is it???
does that mean that there must be an external circuit or device to cause the reversal of capacitor voltage? this question is about a topic regarding the SCR turn off where they actually use a capacitor to provide a negative voltage so that the SCR is reverese biased..... so that is possible with the ways you mentioned is it???
It's done using a second SCR, the capacitor is connected between the two SCR's. It works like a bistable, with only one being turned ON at a time, the act of turning the second one ON dischares the capacitor through the other one.
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