a) Explain the term PWM. b) Explain why PWM keeps the switching frequency constant. c) Explain the term Buck, Boost and
Posted: Wed Apr 27, 2022 6:25 pm
a) Explain the term PWM. b) Explain why PWM keeps the switching frequency constant. c) Explain the term Buck, Boost and Buck-Boost converters. d) Explain the term duty-cycle. e) For what purpose burst controlled AC regulator is used? f) Explain the internal structure of a Universal Motor. g) What are the applications of Universal Motors? f) Explain the reason for the selection of the Universal Motors instead of the series DC motors.