Electrical Engineering > GATE 2020 > Thyristor Circuits
Thyristor T1 is triggered at an angle α (in degree), and T2 at angle 180°+α. in each cycle of the sinusoidal input voltage. Assume both thyristors to be ideal. To control the load power over the range 0 to 2 kW, the minimum range of variation in α is:
A
0° to 60°
B
0° to 120°
C
60° to 120°
D
60° to 180°

Correct :

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