A generator is rated 100 MW, 13.8 kV and 90% power. A wye-connected alternator was tested for its effective resistance. The ratio of the effective resistance to ohmic resistance was previously determined to be 1.35. A 12 V battery was connected across two terminals and the ammeter read 120 amperes. What is the per phase effective resistance of the alternator?

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter31: Three-phase Alternators
Section: Chapter Questions
Problem 1RQ: What conditions must be met before two alternators can be paralleled together?
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A generator is rated 100 MW, 13.8 kV and 90% power. A wye-connected alternator was tested for its effective resistance. The ratio of the effective resistance to ohmic resistance was previously determined to be 1.35. A 12 V battery was connected across two terminals and the ammeter read 120 amperes. What is the per phase effective resistance of the alternator?

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