A 600 kW, 3-phase, Y connected, 6950 V (line-to-line), 50 Hz, 10 pole wound rotor induction motorrotates at full load speed of 588 rpm. The friction and windage loss is 3290 W and assumed to be constant.Some circuit parameters of this induction machine are given as:r2 = 1.14 0X = 12.4 0X = 500 0rc = 0 (neglected)a. Find Calculate the rotor copper loss when the motor supplies rated power to the load.b. If the supply voltage drops to 6 kV (line-to-line) while the load torque remains same, make a reasonableapproximation for the new speed and new internal mechanical power.

In the question following Data given. Power = 600KW Voltage =6950 Volt Rotor Speed = 588 rpm Losses…

A 600 kW, 3-phase, Y connected, 6950 V (line-to-line), 50 Hz, 10 pole wound rotor induction motor rotates at full load speed of 588 rpm. The friction and windage loss is 3290 W and assumed to be constant. Some circuit parameters of this induction machine are given as: r2 = 1.14 0 X2 = 12.4 0 Xc = 500 0 re = 0 (neglected) a. Find Calculate the rotor copper loss when the motor supplies rated power to the load. b. If the supply voltage drops to 6 kV (line-to-line) while the load torque remains same, make a reasonable approximation for the new speed and new internal mechanical power.

A 600 kW, 3-phase, Y connected, 6950 V (line-to-line), 50 Hz, 10 pole wound rotor induction motor rotates at full load speed of 588 rpm. The friction and windage loss is 3290 W and assumed to be constant. Some circuit parameters of this induction machine are given as: r2 = 1.14 0 X2 = 12.4 0 Xc = 500 0 re = 0 (neglected) a. Find Calculate the rotor copper loss when the motor supplies rated power to the load. b. If the supply voltage drops to 6 kV (line-to-line) while the load torque remains same, make a reasonable approximation for the new speed and new internal mechanical power.

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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