Electrical Motors : Principles, Designs & Applications (Sachan Book 27) by Dr. Vibhav Kumar Sachan
Author:Dr. Vibhav Kumar Sachan [Sachan, Dr. Vibhav Kumar]
Language: eng
Format: azw3, pdf
Publisher: Smt. Jay Devi Sachan Memorial Publication House
Published: 2019-09-27T16:00:00+00:00
Q.95: Write down the equation for frequency of emf induced in an Altenator.
A. F = (PN)/120 Hz,Where P- Number of poles, N-Speed in rpm
Q.96: How are alternators classified?
A. According to shape of field system 1. Salient pole type 2. Smooth cylindrical type
Q.97: Compare salient pole rotor with cylindrical pole rotor.
A.
Topic
Salient pole
Cylindrical pole
Poles
Projected type
Non projected
Air gap
Non uniform
Uniform
Diameter
Large
Small
Axial length
Small
Large
Mechanical strength
Low
High
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Electrical Motors : Principles, Designs & Applications (Sachan Book 27) by Dr. Vibhav Kumar Sachan.pdf
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