The expression for the thyristor (chopper switch) current is given by ___

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.

A. 2Vs/π
B. 180°
C. E/2Vs
D. Vs/R

Show Answer

Answer: C

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