A voltage commutated chopper has the following parameters:Vs = 220 V. – McqOptions

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1.	A voltage commutated chopper has the following parameters:Vs = 220 V. Commutation circuit: L = 20 μH and C = 50 μF.Find the turn-off time for the main SCR with a constant load current of 80 A and Ton = 800 μsecs.
A.	137.5 μs
B.	1075 μs
C.	49.67 μs
D.	200 μs
Answer» B. 1075 μs

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