Power Electronics Mcqs

Q.  Silicon controlled rectifier can be turned on____________?

a. By applying a gate pulse and turned off only when current becomes zero
b. And turned off by applying gate pulse
c. By applying a gate pulse and turned off by removing the gate pulse
d. By making current non zero and turned off by making current zero


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  Advantages of HVDC transmission over AC system is / are____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  For bidirectional operation of converters____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In rectifiers, load current flow is_________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Due to non sinusoidal waveform of the input current, the power factor of the rectifier is____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Single phase VSI are mainly used in___________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The man made noise sources is / are_____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Very large values of modulation index (greater than 3.24) lead to___________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Any electrical signal present in a circuit other than the desired signal is known as______________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In single phase VSI, the harmonic which is not present is____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In commutation PAC stands for_______?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Double fourier series analysis of PWM is_____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In a 3 phase VSI out of eight valid states, the number of valid states that produce zero ac line voltages is/are_________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The square wave operation of 3 phase VSI lines contains the harmonics. The amplitudes are____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In a three phase voltage source inverters____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Under harmonic free load voltages, the 3 phase VSI_____________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Double edge modulation eliminates certain harmonics when the reference is a__________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  For similar carrier and modulating signals, the line current used in CSI is__________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The carrier which are commonly used in constant – frequency PWM is______________?
Category: Electrical Engineering Questions,   Published by: T-Code Scripts