and the 2. The power input to a 3-phase induction motor is 40 kW. The stator losses tot losses are 1.6 kW. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with [(1) 36 kW (i) 445 W (iii) 90 %1 a slip of 3-5%. P 3. An 8-pole, 3-phase, 50 Hz induction motor is taking 50 kW and running at 725 r.p.m. Stator losses are 1.2 kW and frictional losses 1.8 kW. Find (i) rotor Cu loss and (ii) efficiency of the motor. [(1) 1.627 kW (ii) 90-75 % 1
and the 2. The power input to a 3-phase induction motor is 40 kW. The stator losses tot losses are 1.6 kW. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with [(1) 36 kW (i) 445 W (iii) 90 %1 a slip of 3-5%. P 3. An 8-pole, 3-phase, 50 Hz induction motor is taking 50 kW and running at 725 r.p.m. Stator losses are 1.2 kW and frictional losses 1.8 kW. Find (i) rotor Cu loss and (ii) efficiency of the motor. [(1) 1.627 kW (ii) 90-75 % 1
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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Question
![2. The power input to a 3-phase induction motor is 40 kW. The stator losses total 1 kW and the mechanical
losses are 1.6 kW. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with
[(1) 36 kW (i) 445 W (iii) 90 %)
a slip of 3-5%.
2
3. An 8-pole, 3-phase, 50 Hz induction motor is taking 50 kW and running at 725 r.p.m. Stator losses are
1-2 kW and frictional losses 1.8 kW. Find (i) rotor Cu loss and (ii) efficiency of the motor.
149
[(1) 1.627 kW (ii) 90-75 %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcee49154-8ac0-424c-94a0-5c0916422819%2Fc402a3be-84f6-4499-a2bb-f570891e5668%2Fvcvugte_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. The power input to a 3-phase induction motor is 40 kW. The stator losses total 1 kW and the mechanical
losses are 1.6 kW. Determine (i) shaft power (ii) rotor Cu loss and (iii) efficiency of the motor with
[(1) 36 kW (i) 445 W (iii) 90 %)
a slip of 3-5%.
2
3. An 8-pole, 3-phase, 50 Hz induction motor is taking 50 kW and running at 725 r.p.m. Stator losses are
1-2 kW and frictional losses 1.8 kW. Find (i) rotor Cu loss and (ii) efficiency of the motor.
149
[(1) 1.627 kW (ii) 90-75 %
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