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A compound DC motor with lap-wound armature is connected to a 132V source. Shunt field resistance is 1322 and series field resistance is 52. Armature resistance is 1N. There are 100 coils in the armature with two turns per coil. Flux per pole is 75mWb. A load is connected to th motor shaft that requires 19.1 N.m of torque and it is rotating at 200 rpm. Draw an equivalent circuit and calculate: (1) Total conductor losses (ii) Friction, windage, and iron losses assuming them to be part of the armature

A compound DC motor with lap-wound armature is connected to a 132V source. Shunt field resistance is 1322 and series field resistance is 52. Armature resistance is 1N. There are 100 coils in the armature with two turns per coil. Flux per pole is 75mWb. A load is connected to th motor shaft that requires 19.1 N.m of torque and it is rotating at 200 rpm. Draw an equivalent circuit and calculate: (1) Total conductor losses (ii) Friction, windage, and iron losses assuming them to be part of the armature

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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short shunt compound

A compound DC motor with lap-wound armature is connected to a 132V source. Shunt field resistance is 1322 and series field resistance is 52. Armature resistance is 12. There are 100 coils in the armature with two turns per coil. Flux per pole is 75mWb. A load is connected to the motor shaft that requires 19.1 N.m of torque and it is rotating at 200 rpm. Draw an equivalent circuit and calculate: (i) Total conductor losses (ii) Friction, windage, and iron losses assuming them to be part of the armature (iii) Efficiency
Transcribed Image Text:A compound DC motor with lap-wound armature is connected to a 132V source. Shunt field resistance is 1322 and series field resistance is 52. Armature resistance is 12. There are 100 coils in the armature with two turns per coil. Flux per pole is 75mWb. A load is connected to the motor shaft that requires 19.1 N.m of torque and it is rotating at 200 rpm. Draw an equivalent circuit and calculate: (i) Total conductor losses (ii) Friction, windage, and iron losses assuming them to be part of the armature (iii) Efficiency
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It is not given long shunt OR short shunt so considering long shunt and drawing the equivalent circuit.

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