A 3 phase , Y-connected , 220 V , 10 H.P , 60 Hz , 6 pole induction motor has the following parameters per phase ( R=0.294 ohm , R2=0.144 ohm , X,=0.503 ohm , x2=0.209 ohm , Xm=13.25 ohm ) The total friction and windage losses are 400 W. For slip of 0.02 compute the speed , output torque and power , stator Current , power factor and efficiency when the motor is operated at rated voltage and frequency ?

A 3 phase , Y-connected , 220 V , 10 H.P , 60 Hz , 6 pole induction motor has the following parameters per phase ( R=0.294 ohm , R2=0.144 ohm , X,=0.503 ohm , x2=0.209 ohm , Xm=13.25 ohm ) The total friction and windage losses are 400 W. For slip of 0.02 compute the speed , output torque and power , stator Current , power factor and efficiency when the motor is operated at rated voltage and frequency ?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.

Question

A 3 phase , Y-connected , 220 V , 10 H.P , 60 Hz , 6 pole induction
motor has the following parameters per phase ( R1=0.294 ohm,
R2=0.144 ohm , X1=0.503 ohm , x2=0.209 ohm , Xm=13.25 ohm )
The total friction and windage losses are 400 W .
For slip of 0.02 compute the speed , output torque and power , stator
Current , power factor and efficiency when the motor is operated at
rated voltage and frequency ?

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