Three-phase, wye-connected synchronous motor takes 48 kW at 693 V, the power factor being 0.8 lagging. And the induced e.m.f. is increased by 30%, the power taken remaining the same. Find the current. The machine has a synchronous reactance of 2 ohms per phase.

Three-phase, wye-connected synchronous motor takes 48 kW at 693 V, the power factor being 0.8 lagging. And the induced e.m.f. is increased by 30%, the power taken remaining the same. Find the current. The machine has a synchronous reactance of 2 ohms per phase.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.6P

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