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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)
    2n° and 3n°
  • b)
    150 + n° and 270 + n°
  • c)
    n° each
  • d)
    30 + n° and 60 + n°
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
In a three-phase, three-pulse, M-3 type controlled converter T1 starts...
In three-phase three pulse converter the conduction can start only after 30°. As each SCR conducts from 120°, T2 would conduct on 30+120+n° = 150+n° and so on.
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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)2n° and 3n°b)150 + n° and 270 + n°c)n° eachd)30 + n° and 60 + n°Correct answer is option 'B'. Can you explain this answer?
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