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Electronics and Communication Engineering (ECE) : Power Electronics - Quiz(MCQ)
What is the expression for load voltage when the chopper is operated in the second quadrant?
A)
0
B)
E
C)
Vs
D)
E + Ldi/dt

Correct Answer : Option (D) :   E + Ldi/dt


Explanation : In the second quadrant, the chopper acts as a step up chopper and current flows from the load to source. With CH2 on, negative current flows through L, CH2, CH3 and CH4.

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