Q\Two 3-phase, 6.6kW, star-connected alternators supply a load of 300kW at 0.8 pf lagging. The synchronous impedance per phase of machine A is (0.5+j10) ohm and of machine B is (0.4+j12) ohm. The excitation of machine A is adjusted so that it delivers 150A at a lagging power factor and the governors are so set that the load is 30% on the first machine and 70% on the second machine. Determine the current, power factor, linduced emt, and load angle of each machine.

Q\Two 3-phase, 6.6kW, star-connected alternators supply a load of 300kW at 0.8 pf lagging. The synchronous impedance per phase of machine A is (0.5+j10) ohm and of machine B is (0.4+j12) ohm. The excitation of machine A is adjusted so that it delivers 150A at a lagging power factor and the governors are so set that the load is 30% on the first machine and 70% on the second machine. Determine the current, power factor, linduced emt, and load angle of each machine.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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