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A 4 pole, 250 V, DC shunt motor has a lap connected armature with 960 conductors. The flux per pole is 2x10-2Wb. Calculate the torque developed by the armature and the useful torque in Nm when the current taken by the motor is 30 A. The armature resistance is 0.12 ohm and the field resistance is 125 ohm. The rotational losses 825 W

A 4 pole, 250 V, DC shunt motor has a lap connected armature with 960 conductors. The flux per pole is 2x10-2Wb. Calculate the torque developed by the armature and the useful torque in Nm when the current taken by the motor is 30 A. The armature resistance is 0.12 ohm and the field resistance is 125 ohm. The rotational losses 825 W

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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A 4 pole, 250 V, DC shunt motor has a lap connected armature with 960 conductors. The flux per pole is 2x10-2Wb. Calculate the torque developed by the armature and the useful torque in Nm when the current taken by the motor is 30 A. The armature resistance is 0.12 ohm and the field resistance is 125 ohm. The rotational losses 825 W.

 

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