Power Electronics Mcqs


Q.  The Graetz bridge makes excellent use of ______________?

a. Current transformer
b. Potential transformer
c. Power transformer
d. SCR


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  To detect an over – current fault condition, the most reliable method is to connect a_____________?
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MCQs:  Harmonics in 3 phase inverters can be reduced by using___________?
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MCQs:  The on – state voltage drop of IGBT consists of__________?
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MCQs:  The most suited gate pulses given to the AC regulator with R – L load can be in the form of____________?
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MCQs:  The maximum firing angle in the half wave controlled regulator is_____________?
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MCQs:  n a phase controlled 3 phase ac voltage controller, the harmonic present is__________?
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MCQs:  The power MOSFET device is a___________?
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MCQs:  In dual converters________________?
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MCQs:  The conduction losses in IGBT is____________?
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MCQs:  Advantages of HVDC transmission over AC system is / are____________?
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MCQs:  For bidirectional operation of converters____________?
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MCQs:  In rectifiers, load current flow is_________?
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MCQs:  Due to non sinusoidal waveform of the input current, the power factor of the rectifier is____________?
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MCQs:  Single phase VSI are mainly used in___________?
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MCQs:  The man made noise sources is / are_____________?
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MCQs:  Very large values of modulation index (greater than 3.24) lead to___________?
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MCQs:  Any electrical signal present in a circuit other than the desired signal is known as______________?
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MCQs:  In single phase VSI, the harmonic which is not present is____________?
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MCQs:  In commutation PAC stands for_______?
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MCQs:  Double fourier series analysis of PWM is_____________?
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