Electronics and Communication Engineering - Power Electronics - Discussion

48. 

Figure shows a chopper feeding RLE load, The free wheeling diode conducts when

[A]. thyristor is on
[B]. thyristor is off
[C]. both when thyristor is on and thyristor is off
[D]. partly when thyristor is off and partly when thyristor is on

Answer: Option B

Explanation:

FD is forward biased only when thyristor is off.


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