a) A 6600V, 3 phase, star connected synchronous motor draws a full load current of 80 A at 0.8 power factor leading. The armature resistance is 2.2 2 and synchronous reactance 22 2 per phase. If the stray losses of the machine are 3200 W. Determine; i. The e.m.f induced ii. The output power iii. The efficiency

a) A 6600V, 3 phase, star connected synchronous motor draws a full load current of 80 A at 0.8 power factor leading. The armature resistance is 2.2 2 and synchronous reactance 22 2 per phase. If the stray losses of the machine are 3200 W. Determine; i. The e.m.f induced ii. The output power iii. The efficiency

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Motor Installation

Section: Chapter Questions

Problem 12RQ

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