Two identical 2000 kW alternator operates in parallel. The governor of the first machine is such that the frequency drops uniformly from 50 Hz at no-load to 48 Hz at full-load. The corresponding uniform speed drop of the second machine is 50 Hz to 47.5 Hz, What is the maximum load that can be delivered without overloading either machine?

Two identical 2000 kW alternator operates in parallel. The governor of the first machine is such that the frequency drops uniformly from 50 Hz at no-load to 48 Hz at full-load. The corresponding uniform speed drop of the second machine is 50 Hz to 47.5 Hz, What is the maximum load that can be delivered without overloading either machine?

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Three-phase Motors

Section: Chapter Questions

Problem 22RQ: A three-phase squirrel-cage motor is connected to a 60-Hz line. The full-load speed is 870 RPM. How...

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