The square wave operation of 3 phase VSI lines contains the harmonics. The amplitudes are____________?

Related Mcqs:

For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?

A. 111.9 Ω. B. 11.19 Ω. C. 108 Ω. D. 115 Ω...

Which of the following is used in SCR to protect from high dV / dt__________________?

A. Snubber circuit B. Fuse C. Equalizing circuit D. Circuit breaker...

For series connected SCR’s dynamic equalising circuit consists of___________?

A. R and C in series but with diode across C B. R and C in series but with diode across R C. Series R and diode with C across R D. Series R and diode with C across R...

For swept frequency measurements, the input impedance of the mismatched transmission line would vary with frequency as the electrical length of the transmission line would

A. Decrease with frequency B. Remains same with change in frequency C. Increase with frequency D. Either A. or B....

Power electronics essentially deals with control of a.c. power at____________?

A. Frequencies above 20 kHz B. Frequencies above 1000 kHz C. Frequencies less than 10 Hz D. 50 Hz frequency...