..:: Choppers on Power Electronics related Questions and Answers

Choppers on Power Electronics related Questions and Answers

Question : The expression for the thyristor (chopper switch) current is given by
I = (α².Vs - αE)/R
Find the value of firing angle α, for which the thyristor current is maximum.
1. 2Vs/π
2. 180°
3. E/2Vs
4. Vs/R
Answer : 3 - E/2Vs

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