4 thyristors rated 200 V in series. The operating voltage of the strin – McqOptions

MCQOPTIONS

1.	4 thyristors rated 200 V in series. The operating voltage of the string is 600 V. Derating factor of the string is_____________________?
A.	0.75
B.	0.7
C.	0.2
D.	0.25
Answer» E.

Discussion

No Comment Found

Related MCQs

In a flyback converter, the inductor of the buck-boost converter has been replaced by a
The amount of dielectric heating is inversely proportional to frequency.
In current commutated DC-DC choppers, the voltage spike appears across the load when
Voltage commutation circuit can be converted into a current commutation by interchanging the positions of
The advantage of using free - wheeling diode in half controlled bridge converter is that
In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes
The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is
If all the SCR s of 3 phase PAC is replaced by diodes, they would be triggered
A single phase step up cycloconverter changes 50 Hz to 100 Hz. Then one half wave of input will give rise to
A thyristor is reverse biased. A positive gate pulse is applied. The thyristor