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3. A 220 V, 10 kW, 30, 60 Hz, 6-pole induction motor operates at full-load with an efficiency of 85%, power factor of 80%, and slip of 10%. Solve for the full-load torque and current of the motor.

3. A 220 V, 10 kW, 30, 60 Hz, 6-pole induction motor operates at full-load with an efficiency of 85%, power factor of 80%, and slip of 10%. Solve for the full-load torque and current of the motor.

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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1. A 4600/230 V, 60 Hz step-down transformer has core dimension of 76.2 mm by 111.8 mm, and a maximum flux density of 0.93 Wb/m2 is to used. Assuming 9 percent loss of area due to stacking factor of laminations, calculate the primary and secondary turns required. 2. A 10-pole, 25-cycle alternator is directly coupled to, and is driven by a 60-cycle synchronous motor. How many poles are there in the latter? 3. A 220 V, 10 kW, 30, 60 Hz, 6-pole induction motor operates at full-load with an efficiency of 85%, power factor of 80%, and slip of 10%. Solve for the full-load torque and current of the motor. 4. A 30 induction motor has a nameplate speed of 1160 rpm, what is the percent slip?
Transcribed Image Text:1. A 4600/230 V, 60 Hz step-down transformer has core dimension of 76.2 mm by 111.8 mm, and a maximum flux density of 0.93 Wb/m2 is to used. Assuming 9 percent loss of area due to stacking factor of laminations, calculate the primary and secondary turns required. 2. A 10-pole, 25-cycle alternator is directly coupled to, and is driven by a 60-cycle synchronous motor. How many poles are there in the latter? 3. A 220 V, 10 kW, 30, 60 Hz, 6-pole induction motor operates at full-load with an efficiency of 85%, power factor of 80%, and slip of 10%. Solve for the full-load torque and current of the motor. 4. A 30 induction motor has a nameplate speed of 1160 rpm, what is the percent slip?
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