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The below given figure is that of a _________ (IGBT is used as a chopper switch)

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in Power Electronics by (27.1k points)
The below given figure is that of a _________ (IGBT is used as a chopper switch)

(a) step-up/step-down chopper

(b) step-down chopper

(c) step-up chopper

(d) none of the mentioned

I got this question in exam.

I'm obligated to ask this question of Choppers-2 topic in chapter Choppers of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (b) step-down chopper

Best explanation: When the switch is closed current flows through the load and also charges the inductor L, when the switch is off, the current freewheels through L-R-FD-L and voltage is zero because the FD short circuits the load.

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