A 2200V, 60 Hz, three-phase, Y-connected alternator has an effective resistance per phase of 0.5 ohm. A field current of 30A produces a full load current of 200A on short circuit and a line-to-line emf of 1100 V on open circuit. Determine the power angle of the alternator when it delivers full load at .80 lagging pf.

A 2200V, 60 Hz, three-phase, Y-connected alternator has an effective resistance per phase of 0.5 ohm. A field current of 30A produces a full load current of 200A on short circuit and a line-to-line emf of 1100 V on open circuit. Determine the power angle of the alternator when it delivers full load at .80 lagging pf.

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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