A 500-hp, 460-V, three-phase, 60-Hz, four-pole, 1728-rpm induction motor is driving a large ventilating fan. When it

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A 500-hp, 460-V, three-phase, 60-Hz, four-pole, 1728-rpm induction motor is driving a large ventilating fan. When it is running from a variable-frequency drive (VFD) output of 230 V, 30 Hz with a constant V/f ratio, determine:

(1) The approximate speed and

(2) The exact speed.

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Introduction To Electrical Power And Power Electronics

ISBN: 9781466556607

1st Edition

Authors: Mukund R. Patel

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Question Posted: Dec 19, 2023 04:47 AM

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A 500-hp, 460-V, three-phase, 60-Hz, four-pole, 1728-rpm induction motor is driving a large ventilating fan. When it

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At 60 Hz a fourpole ac motor has synchronous speed 120 604 1800 rpm The motor has a rated speed of 1...View the full answer

Introduction To Electrical Power And Power Electronics

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