9.3 A 12-pole, single-phase AC generator has 144 slots, two-thirds of which arewound with 8 conductors per slot. The flux per pole is 42 mWb sinusoidallydistributed. The distribution factor is 0.829 and the coil-span factor is unity. If thespeed is 500 rpm, find the frequency and the emf generated.

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Answered: 9.3 A 12-pole, single-phase AC…

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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1.) A 6-pole, 3-phase, 60-Hz alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 0.025 Wb entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf per phase of the alternator. Subject Electrical machine 2
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