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A 480-V, 60-Hz, 50-hp, three-phase induction motor is supplying by 60 A at 0.85 PF lagging. The stator copper losses are 2 kW, and the rotor copper losses are 700 W. The friction and windage losses are 600 W, the core losses are 1800 W, and the stray losses are negligible. Find the following quantities: (a) The air-gap power (b) The power converted (c) The output power (d) The efficiency of the motor

A 480-V, 60-Hz, 50-hp, three-phase induction motor is supplying by 60 A at 0.85 PF lagging. The stator copper losses are 2 kW, and the rotor copper losses are 700 W. The friction and windage losses are 600 W, the core losses are 1800 W, and the stray losses are negligible. Find the following quantities: (a) The air-gap power (b) The power converted (c) The output power (d) The efficiency of the motor

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A 480-V, 60-Hz, 50-hp, three-phase induction motor is supplying by 60 A at 0.85 PF lagging. The stator copper losses are 2 kW, and the rotor copper losses are 700 W. The friction and windage losses are 600 W, the core losses are 1800 W, and the stray losses are negligible. Find the following quantities: (a) The air-gap power (b) The power converted (c) The output power (d) The efficiency of the motor
Transcribed Image Text:A 480-V, 60-Hz, 50-hp, three-phase induction motor is supplying by 60 A at 0.85 PF lagging. The stator copper losses are 2 kW, and the rotor copper losses are 700 W. The friction and windage losses are 600 W, the core losses are 1800 W, and the stray losses are negligible. Find the following quantities: (a) The air-gap power (b) The power converted (c) The output power (d) The efficiency of the motor
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