MCQOPTIONS
Bookmark
Saved Bookmarks
→
Power Electronics
→
Pwm Inverters in Power Electronics
→
A three-phase, three-pulse, M-3 type controlled c..
1.
A three-phase, three-pulse, M-3 type controlled converter uses ____________ number of SCRs.
A.
1
B.
2
C.
3
D.
4
Answer» D. 4
Show Answer
Discussion
No Comment Found
Post Comment
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 Ω. Find the value of firing angle if an average output voltage of 50% of the maximum possible output voltage is required.Hint: α > 30°.
A three-phase three-pulse converter would operate as a line commutated inverter when
Find the expression for average output voltage for the given circuit if firing angle is greater than 30°. Take Vmp = secondary side maximum value of phase voltage.
In the circuit shown below, SCR T1 conducts first. If T1 is fired at an angle of α > 30°, then T1 would conduct from
Find the expression for average output voltage at R for the below given configuration. Take firing angle as α = 15°, transformer ratio as 1:1:1 and Vmp as the maximum value of phase voltage at the supply.
A three-phase three pulse type controlled converter is constructed using 3 SCR devices. The circuit is supplying an R load with α < 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
A three-phase, three-pulse, M-3 type controlled converter uses ____________ number of SCRs.
Reply to Comment
×
Name
*
Email
*
Comment
*
Submit Reply