A 3.5-MVA, Y-connected alternator rated at 4160 volts at 50-Hz has the open circuit characteristic given by the following data: Field Current (Amps) 50 100 150 200 250 300 350 400 450 E.M.F. (Volts) 1620 3150 4160 4750 5130 5370 5550 5650 5750 A field current of 200 A is found necessary to circulate full-load current on short-circuit of the alternator Calculate regulation at 0.8 p.f using synchronous impedance method.

A 3.5-MVA, Y-connected alternator rated at 4160 volts at 50-Hz has the open circuit characteristic given by the following data: Field Current (Amps) 50 100 150 200 250 300 350 400 450 E.M.F. (Volts) 1620 3150 4160 4750 5130 5370 5550 5650 5750 A field current of 200 A is found necessary to circulate full-load current on short-circuit of the alternator Calculate regulation at 0.8 p.f using synchronous impedance method.

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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Similar questions

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