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An 8 pole,40-hp,2300 v,50-Hz, 3 phase, induction motor is operating at 80% of rated load and 6% reduced voltage. The efficiency and power factors for these conditions are 85 and 90 percent respectively. The mechanical power losses, rotor conductor losses, and stator losses are 1011 W, 969 W, and 1559 W respectively. Sketch the power flow diagram and determine: i. Mechanical power developed ii. Shaft speed iii. Developed torque iv. Shaft torque v. Slip speed vi. Line current

An 8 pole,40-hp,2300 v,50-Hz, 3 phase, induction motor is operating at 80% of rated load and 6% reduced voltage. The efficiency and power factors for these conditions are 85 and 90 percent respectively. The mechanical power losses, rotor conductor losses, and stator losses are 1011 W, 969 W, and 1559 W respectively. Sketch the power flow diagram and determine: i. Mechanical power developed ii. Shaft speed iii. Developed torque iv. Shaft torque v. Slip speed vi. Line current

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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An 8 pole,40-hp,2300 v,50-Hz, 3 phase, induction motor is operating at 80% of rated load and 6% reduced voltage. The efficiency and power factors for these conditions are 85 and 90 percent respectively. The mechanical power losses, rotor conductor losses, and stator losses are 1011 W, 969 W, and 1559 W respectively.
Sketch the power flow diagram and determine:
i. Mechanical power developed
ii. Shaft speed
iii. Developed torque
iv. Shaft torque
v. Slip speed
vi. Line current

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