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Computer Programming MCQs — Test 34

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Question 1
In commutation PAC stands for_______?
Question 2
Double fourier series analysis of PWM is_____________?
Question 3
In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?
Question 4
In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
Question 5
In a 3 phase VSI out of eight valid states, the number of valid states that produce zero ac line voltages is/are_________?
Question 6
The square wave operation of 3 phase VSI lines contains the harmonics. The amplitudes are____________?
Question 7
In a three phase voltage source inverters____________?
Question 8
Under harmonic free load voltages, the 3 phase VSI_____________?
Question 9
Double edge modulation eliminates certain harmonics when the reference is a__________?
Question 10
The carrier which are commonly used in constant – frequency PWM is______________?