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1. What is the nameplate reading on the machine? What inferences can be drawn from it?

1. What is the nameplate reading on the machine? What inferences can be drawn from it?

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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Compiling an Electrical Machines laboratory report.

Do take your time if you have to. I have 5 hours.

Kindly find attached documents.

 

3. DISCUSSION: 1. What is the nameplate reading on the machine? What inferences can be drawn from it? 2. What is the real and reactive power consumed in this test? 3. From the values in the tables above, calculate the parameters of the approximate equivalent circuit of the motor. 4. What is the power factor of the machine both at No- load and Blocked rotor Test.? Comment on their values. 5. What should be the no load current of an induction motor? 6. Even though there is no-load, why wattmeter reading is not zero? 7. Comment on the slip of the machine when operated at rated voltage. 8. How to obtain the no-load input power to an induction motor when two-wattmeter method of measuring power used? 9. Can a three phase induction motor be started from a single phase supply? 10. Which loss in the machine is significant in no load test and why? 11. Calculate for rated motor load and the efficiency. No o - /oad test V, VNC TNE W, We N Gpm) Total powe pever -192 328 1499 415 415 1.23 Blocked rotor- test Tutal Wr puwer V, Vsa TAR w, 0076 258 2.1 125 125
Transcribed Image Text:3. DISCUSSION: 1. What is the nameplate reading on the machine? What inferences can be drawn from it? 2. What is the real and reactive power consumed in this test? 3. From the values in the tables above, calculate the parameters of the approximate equivalent circuit of the motor. 4. What is the power factor of the machine both at No- load and Blocked rotor Test.? Comment on their values. 5. What should be the no load current of an induction motor? 6. Even though there is no-load, why wattmeter reading is not zero? 7. Comment on the slip of the machine when operated at rated voltage. 8. How to obtain the no-load input power to an induction motor when two-wattmeter method of measuring power used? 9. Can a three phase induction motor be started from a single phase supply? 10. Which loss in the machine is significant in no load test and why? 11. Calculate for rated motor load and the efficiency. No o - /oad test V, VNC TNE W, We N Gpm) Total powe pever -192 328 1499 415 415 1.23 Blocked rotor- test Tutal Wr puwer V, Vsa TAR w, 0076 258 2.1 125 125
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