A three-phase M-3 converter is operated from a 3-phase, 230 V, 50 Hz s – McqOptions

MCQOPTIONS

1.	A three-phase M-3 converter is operated from a 3-phase, 230 V, 50 Hz supply with load resistance R = 10 . Find the value of firing angle if an average output voltage of 50% of the maximum possible output voltage is required. Hint: > 30 .
A.	92.7
B.	67.7
C.	45
D.	75.7
Answer» C. 45

Discussion

No Comment Found

Related MCQs

A three-phase half-wave controlled converter is fed from a 3-phase, 400 V source and is connected to a load which takes a constant current of 36 A. Find, the value of average output voltage and average current rating of SCR for a firing angle of 30 .
A three-phase M-3 converter is operated from a 3-phase, 230 V, 50 Hz supply with load resistance R = 10 . Find the value of firing angle if an average output voltage of 50% of the maximum possible output voltage is required.<br>Hint: > 30 .
A three-phase three pulse type controlled converter is constructed using 3 SCR devices. The circuit is supplying an R load with < 30 . As such, each SCR device would conduct for
In a three-phase, three-pulse, M-3 type controlled converter T1 starts to conduct at 30 + n . At what angles do T2 and T3 start to conduct? Assume that the conduction sequence is T1-T2-T3.
A three-phase, three-pulse, M-3 type controlled converter has firing angle for one of the SCRs set as 15 . This SCR would start conducting at