A 250-hp, three-phase, 460-V, 60-Hz, ac motor has power factor of 0.90 lagging and efficiency of 92%.

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A 250-hp, three-phase, 460-V, 60-Hz, ac motor has power factor of 0.90 lagging and efficiency of 92%. Determine the line current it will draw under 10% overload and the percent change in stator conductor temperature rise above ambient air.

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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 01, 2023 09:31 AM

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A 250-hp, three-phase, 460-V, 60-Hz, ac motor has power factor of 0.90 lagging and efficiency of 92%.

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Motor horsepower hp 250 Number of phases phase 3 Voltage V 460 V Frequency f 60 Hz Power factor pf 0...View the full answer

Introduction To Electrical Power And Power Electronics

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