Calculate the circuit turn-off time for 3-Φ Fully controlled rectifi – McqOptions

MCQOPTIONS

1.	Calculate the circuit turn-off time for 3-Φ Fully controlled rectifier if the firing angle is 20° and supply frequency is 60 Hz.
A.	8.8 msec
B.	7.4 msec
C.	10.1 msec
D.	6.5 msec
Answer» D. 6.5 msec

Discussion

No Comment Found

Related MCQs

The unit of angular acceleration is Joule.
The principle of Boost converter can be applied for the regenerative braking.
Calculate the output voltage of the Buck-Boost converter if the supply voltage is 78 V and duty cycle value is .1.
Calculate the output voltage of the Boost converter if the supply voltage is 8 V and duty cycle value is .6.
Calculate the output voltage of the Buck converter if the supply voltage is 11 V and duty cycle value is .4.
Calculate the value of Crest factor if Vpeak=12 V and Vr.m.s=24 V.
Calculate peak-peak voltage if Vmax=80 V and Vmin=20 V.
Calculate the circuit turn-off time for 3-Φ Fully controlled rectifier if the firing angle is 110° and supply frequency is 50 Hz.
Calculate the circuit turn-off time for 3-Φ Fully controlled rectifier if the firing angle is 20° and supply frequency is 60 Hz.
In 3-Φ Semi-controlled rectifier calculate the average value of the voltage if the supply is 440 V and firing angle is 22°.