A 400 kVA, 2.2 kV, eight-pole, three-phase, star-connected, synchronous motor has a resistance of 1 ohm per phase and a synchronous reactance of 3,85 ohm per phase. Calculate, for a power factor of 0,8 lagging: 1. The magnitude of the generated emf. 2. The load angle in electrical and mechanical degrees.

A 400 kVA, 2.2 kV, eight-pole, three-phase, star-connected, synchronous motor has a resistance of 1 ohm per phase and a synchronous reactance of 3,85 ohm per phase. Calculate, for a power factor of 0,8 lagging: 1. The magnitude of the generated emf. 2. The load angle in electrical and mechanical degrees.

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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