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The simplest way to eliminate the harmonic induction torques is-
- a)Integral slot winding
- b)Skewing
- c)Chording
- d)None of these
Correct answer is option 'C'. Can you explain this answer?
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The simplest way to eliminate the harmonic induction torques is-a)Int...
Crawling and cogging are related to space harmonics. The above question is about time harmonics. The speed of an IM with respect to nth harmonic is nNs where Ns is the synchronous speed of the motor with respect to fundamental voltage harmonic. Morover 3rd harmonic is destroyed in 3 phase windings of IM.5th harmonic is negative sequence harmonic .hence it rotates at -5Ns with respect to the rotor speed.7th is a positive sequence harmonic and rotates at 7Ns ,11th negative and so on... For negative sequence harmonics, slip is >1 whereas for positive sequence harmonics s<1 in="" this="" way="" the="" rotor="" gets="" the="" tendency="" to="" reverse="" its="" direction="" of="" rotation="" back="" and="" forth.="" also="" additional="" losses="" are="" attached="" with="" these="" harmonics="" which="" altogether="" result="" in="" a="" pulsating="" nature="" of="" torque="" under="" non-sinusoidal="" voltage="" supply(combination="" of="" harmonics)="" in="" this="" way="" the="" rotor="" gets="" the="" tendency="" to="" reverse="" its="" direction="" of="" rotation="" back="" and="" forth.="" also="" additional="" losses="" are="" attached="" with="" these="" harmonics="" which="" altogether="" result="" in="" a="" pulsating="" nature="" of="" torque="" under="" non-sinusoidal="" voltage="" supply(combination="" of="">
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The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer?
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The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer?.
The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The simplest way to eliminate the harmonic induction torques is-a)Integral slot windingb)Skewingc)Chordingd)None of theseCorrect answer is option 'C'. Can you explain this answer?.
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