In the SPWM, the modulating signal is___________?
In the SPWM, the modulating signal is___________?
A. Square
B. Sinusoidal
C. Triangular
D. Saw – tooth
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The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is___________?
The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is___________?A. Sine wave
B. Square wave
C. Saw – tooth wave
D. Trapezoidal waveDouble fourier series analysis of PWM is_____________?
Double fourier series analysis of PWM is_____________?A. Two dimensional functions
B. Three dimensional functions
C. One dimensional functions
D. All of theseThe typical value of SCR for modern alternator is____________?
The typical value of SCR for modern alternator is____________?A. 1.5.
B. 0.5.
C. 1.0.
D. 1.2.A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?
A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?A. RL.
B. RLC underdamped.
C. RLC overdamped.
D. RLC critically damped.60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is______________________?
60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is______________________?A. 76.3 %
B. 91.6 %
C. 83.3 %
D. 90.9 %Bidirectional semiconductor device is___________?
Bidirectional semiconductor device is___________?A. Diode
B. BJT
C. SCR
D. TRIAC