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2. A3-phase, 4-pole, 50 Hz, 208 V induction motor has a slarung of 225 N-m. If a reduced voltage of 120 V is applied to the stator at the time of stàrting, find the starting torque and starting line current. 3. Find the ratio of starting to full-load current for a 7-46 kW, 400 V, 3-phase induction motor with star/delta starter, given that full-load efficiency is 0-87, the full-load p.f. is 0-85 and the shor cirguit current is 15 A at 100 V. [75 N-m; 403 A] [1-37] full-load speed of 940 r.p.m. and develops a

2. A3-phase, 4-pole, 50 Hz, 208 V induction motor has a slarung of 225 N-m. If a reduced voltage of 120 V is applied to the stator at the time of stàrting, find the starting torque and starting line current. 3. Find the ratio of starting to full-load current for a 7-46 kW, 400 V, 3-phase induction motor with star/delta starter, given that full-load efficiency is 0-87, the full-load p.f. is 0-85 and the shor cirguit current is 15 A at 100 V. [75 N-m; 403 A] [1-37] full-load speed of 940 r.p.m. and develops a

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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I need an answer to 2. and 3. Ac-machines
current at starting 2. A3-phase, 4-pole, 50 Hz, 208 V induction motor has a starting line current of 700 A and a starting torque of 225 N-m. If a reduced voltage of 120 V is applied to the stator at the time of stàrting, find the starting [75 N-m; 403 A] torque and starting line current. 3. Find the ratio of starting to full-load current for a 7-46 kW, 400 V, 3-phase induction motor with star/delta starter, given that full-load efficiency is 0-87, the full-load p.f. is 0-85 and theshonecirguit current is 15 A [1-37] at 100 V. 60 A at full-load speed of 940 r.p.m. and develops a
Transcribed Image Text:current at starting 2. A3-phase, 4-pole, 50 Hz, 208 V induction motor has a starting line current of 700 A and a starting torque of 225 N-m. If a reduced voltage of 120 V is applied to the stator at the time of stàrting, find the starting [75 N-m; 403 A] torque and starting line current. 3. Find the ratio of starting to full-load current for a 7-46 kW, 400 V, 3-phase induction motor with star/delta starter, given that full-load efficiency is 0-87, the full-load p.f. is 0-85 and theshonecirguit current is 15 A [1-37] at 100 V. 60 A at full-load speed of 940 r.p.m. and develops a
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