Category: Power Electronics

A. Sine wave
B. Square wave
C. Saw – tooth wave
D. Trapezoidal wave

A. Diode and capacitor
B. Capacitor and SCR
C. Inductor and capacitor
D. Capacitor and load

A. A switching pulse generator and a shorting pulse generator
B. A shorting pulse distributor
C. A switching and shorting pulse combination
D. All of these

A. Unidirectional
B. Bidirectional
C. Either (a) or (b)
D. Non directional

A. Controlled transistor
B. Controlled switch
C. Amplifier with higher gain
D. Amplifier with large current gain

A. Duty ratio only
B. Frequency only
C. Duty ratio and frequency
D. Duty ratio, frequency and time delay

A. 5
B. 7
C. 11
D. All of these

A. Boost single – phase power factor converter
B. A buck dc – dc converter to reduce ripple in the intermediate dc bus capacitor
C. Both A. and B.
D. None f these

A. high current demand
B. low voltage demand
C. low current demand
D. high voltage demand

A. Current sensor across IGBT
B. Voltage sensor across IGBT
C. Current sensor in series with IGBT
D. Voltage sensor in series with IGBT