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(13) For a certain polyphase induction motor, which at full load operates at its maximum power factor, the starting current and the no-load current at full voltage reduction in voltage which would just permit stable operation at a torque not exceeding the full-load value. What would be the power factor and slip at full-load Assuming the rotor and stator copper losses are equal, determine the percentage are in the ratio of 10/1 and the power factor in each case is 0:25. torque with the voltage thu

(13) For a certain polyphase induction motor, which at full load operates at its maximum power factor, the starting current and the no-load current at full voltage reduction in voltage which would just permit stable operation at a torque not exceeding the full-load value. What would be the power factor and slip at full-load Assuming the rotor and stator copper losses are equal, determine the percentage are in the ratio of 10/1 and the power factor in each case is 0:25. torque with the voltage thu

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
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The subject is about Induction machines. Please solve the following question using circle diagram only.
(13) For a certain polyphase induction motor, which at full load operates at its maximum power factor, the starting current and the no-load current at full voltage Assuming the rotor and stator copper losses are equal, determine the percentage reduction in voltage which would just permit stable operation at a torque not exceeding the full-load value. What would be the power factor and slip at full-load are in the ratio of 10/1 and the power factor in each case is 0-25. torque with the voltage thus reduced? (14) A 400-hn. 1100 V
Transcribed Image Text:(13) For a certain polyphase induction motor, which at full load operates at its maximum power factor, the starting current and the no-load current at full voltage Assuming the rotor and stator copper losses are equal, determine the percentage reduction in voltage which would just permit stable operation at a torque not exceeding the full-load value. What would be the power factor and slip at full-load are in the ratio of 10/1 and the power factor in each case is 0-25. torque with the voltage thus reduced? (14) A 400-hn. 1100 V
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