A. breakdown voltage
B. peak reverse voltage
C. holding current
D. latching current
A. voltage sensitive load from excessive dc power supply output voltages
B. current sensitive load from excessive dc power supply output voltages
C. voltage sensitive load from excessive ac power supply output voltages
D. current sensitive load from excessive ac power supply output voltages
A crowbar is a circuit which is used to protect a_____________? Read More »
Power Electronics A. Diode
B. BJT
C. SCR
D. TRIAC
Bidirectional semiconductor device is___________? Read More »
Power Electronics A. Second harmonic
B. Third harmonic
C. Fifth harmonic
D. Do not produce harmonics
A full wave rectifier with resistive load produces___________? Read More »
Power Electronics A. Unidirectional
B. Bidirectional
C. Fixed voltage polarity
D. Only (a) and (c)
An ideal diode is___________? Read More »
Power Electronics A. Sine wave
B. Square wave
C. Saw – tooth wave
D. Trapezoidal wave
A. Uninterruptible power supplies
B. Induction heating system
C. Constant voltage and frequency power supplies
D. All of these
A. There is always a path for the dc current independent of the ac line
B. There is always a path for the ac current independent of the ac line
C. There is always a path for the dc current dependent of the ac line
D. There is always a path for the ac current independent of the ac line
The advantage of using free – wheeling diode in half controlled bridge converter is that Read More »
Power Electronics A. Current sensor across IGBT
B. Voltage sensor across IGBT
C. Current sensor in series with IGBT
D. Voltage sensor in series with IGBT
A. Passive filter
B. Active filter
C. Both passive and active filters
D. None of these
Harmonics in 3 phase inverters can be reduced by using___________? Read More »
Power Electronics