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Q#1
Chopper
GATE EE 2024
NAT
+1 mark
-0 marks
A forced commutated thyristorized step-down chopper is shown in the figure. Neglect the ON-state drop across the power devices. Assume that the capacitor is initially charged to 50 V with the polarity shown in the figure. The load current 
can be assumed to be constant at 10 A. Initially, 
is 
and 
is OFF. The turn-off time available to in microseconds, when is triggered, is _______ (rounded off to the nearest integer).
Explanation:
Given circuit belongs to Class-D commutation
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