-Φ fully controlled rectifier is

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Q. -Φ fully controlled rectifier is

(A) 5th
(B) 7th
(C) 3rd
(D) 2nd

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✅ Correct Answer: (B) 7th

Explanation: only 6k±1 order harmonics are present in 3-Φ fully controlled rectifier. the second lowest order harmonic is 7th harmonic for k=1. third order harmonics are absent in

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only 6k±1 order harmonics are present in 3-Φ fully controlled rectifier. the second lowest order harmonic is 7th harmonic for k=1. third order harmonics are absent in

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