b. Explain the operation of Boost converter in Discontinuous current mode (3) c.
Describe the working of a forvcard converter with neat circuit diagram and (3) wave
forms

PART 0
a. Explain the operation of three phase inverter in 180° conduction mode. Draw (9) the

output voltage wave forms and obtain the RMS value of the fundamental component of
line Voltage

b. Explain different PWM technologies (3)

೩. Explain the working of single phase capacitor commutated current source (9) inverter. Draw relevant wave forms

b. Describe about Bang-Bang control (3)

a. Explain harmonics reduction by stepped wave inverter (3) b. With neat circuit diagram
and relevant wave forms explain the working (9) principle of current controlled voltage

source invertor.