engineering recuitment CSPTCL JE Electrical Mock Test 2023 Power Electronics and Drives Choppers Step Down Choppers
A buck converter is used to control a d.c. motor. The input to a dc buck converter is 200 V. Find the duty ratio of the pulse to be applied to the converter to produce 150 V across the d.c. motor.
1
60%
2
50%
3
35%
4
75%