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Y-connected, 9. A 3-phase, circuited and operated at rated speed to produce rated current. When the short circuit removed and the same excitation, the voltage between stator terminals is 1300V. The effective resistance between 1000 kVA, 2300V alternator is short terminals is 0.20 ohm. What is the regulation of the alternator at rated load and voltage and a power factor of 0.880 lagging? A. 25.63% C. 50.25% B. 33.33% D. 42.38%

Y-connected, 9. A 3-phase, circuited and operated at rated speed to produce rated current. When the short circuit removed and the same excitation, the voltage between stator terminals is 1300V. The effective resistance between 1000 kVA, 2300V alternator is short terminals is 0.20 ohm. What is the regulation of the alternator at rated load and voltage and a power factor of 0.880 lagging? A. 25.63% C. 50.25% B. 33.33% D. 42.38%

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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9. A 3-phase, circuited and operated at rated speed to produce rated current. When the short circuit removed and the same excitation, the voltage between stator terminals is 1300V. The effective resistance between CO2 Y-connected, 1000 kVA, 2300V alternator is short CO3 CO4 terminals is 0.20 ohm. What is the regulation of the alternator at rated load and voltage and a power factor of 0.880 lagging? A. 25.63% C. 50.25% B. 33.33% D. 42.38%
Transcribed Image Text:9. A 3-phase, circuited and operated at rated speed to produce rated current. When the short circuit removed and the same excitation, the voltage between stator terminals is 1300V. The effective resistance between CO2 Y-connected, 1000 kVA, 2300V alternator is short CO3 CO4 terminals is 0.20 ohm. What is the regulation of the alternator at rated load and voltage and a power factor of 0.880 lagging? A. 25.63% C. 50.25% B. 33.33% D. 42.38%
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