Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Concept explainers

Motor Load, Torque, and Power Quality Requirement
An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden …
Question

A 200 V separately-excited dc motor has an armature resistance of 0.5 Ω. When the armature current is 50 A, the speed of the motor is 1200 rpm. Find the no-load speed if the armature current at no load is 2 A.

a.1469.04 rpm
b.1208.59 rpm
c.1528.94 rpm
d.1364.57 rpm
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