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3 DECIMAL PLACES: Two 3-phase, 7.4 kV, star-connected alternators supply a load of 3008 kW at 0.8 pf lagging. The synchronous impedance per phase of machine 1 is (0.5+ j10) ohms and of machine 2 is (0.4+j18) ohms. The excitation of machine 1 is adjusted so that it delivers 150 A at a lagging power factor and the governors are set that load is shared equally between the machines. Determine (a) the current in phasor, (b) power factor (c) the induced emf (line) and (d) the load angle of each machine.

3 DECIMAL PLACES: Two 3-phase, 7.4 kV, star-connected alternators supply a load of 3008 kW at 0.8 pf lagging. The synchronous impedance per phase of machine 1 is (0.5+ j10) ohms and of machine 2 is (0.4+j18) ohms. The excitation of machine 1 is adjusted so that it delivers 150 A at a lagging power factor and the governors are set that load is shared equally between the machines. Determine (a) the current in phasor, (b) power factor (c) the induced emf (line) and (d) the load angle of each machine.

Introductory Circuit Analysis (13th Edition)
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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3 DECIMAL PLACES:

Two 3-phase, 7.4 kV, star-connected alternators supply a load of 3008 kW at 0.8 pf lagging. The synchronous impedance per phase of machine 1 is (0.5+ j10) ohms and of machine 2 is (0.4+j18) ohms. The excitation of machine 1 is adjusted so that it delivers 150 A at a lagging power factor and the governors are set that load is shared equally between the machines. Determine (a) the current in phasor, (b) power factor (c) the induced emf (line) and (d) the load angle of each machine.

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