explain the basic requirements for commutating SCR.
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Commutation in Power Electronics refers to the process of commutation of SCR.
We all know that an SCR is turned on by applying a gate signal to a forward based SCR. We have the required conditions to Turn on an SCR.
We also know that once an SCR goes in forward conduction mode, the gate loses its control, so we have some outer circuit that must be assigned to turn off SCR.
This external circuit is known as the commutation circuit.
Some external methods must be applied to turn off SCR as per requirement. This process is also called as commutation process.
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