A permanent magnet DC mitor has an armature resistance 1.4 52. When it is supplied by 75-V DC source, i+ has a) what 6.) What 1800 rpm from no-load speed d 2200 pm and draws 1.7 A. is the rotationalloss ? a TS the output power (in hp) when it is opeated at a 70.V DL Source 7

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A
A permanent magnet DC motor has an armature resistance
supplied by a 75-V DC Source,
1.4 S2.
When it n
svy t
no-load speed d 2200 pm and draws 1.7 A.
a) what
6.) What
is the rotational'loss ?
TS the output power (in hp) when it is operated at
from
1800
rpm
a 70-V DC source 7
Transcribed Image Text:A A permanent magnet DC motor has an armature resistance supplied by a 75-V DC Source, 1.4 S2. When it n svy t no-load speed d 2200 pm and draws 1.7 A. a) what 6.) What is the rotational'loss ? TS the output power (in hp) when it is operated at from 1800 rpm a 70-V DC source 7
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