Q4) What is the effect in series motor if you assume V = Eb , with low resistance fielding winding ? а) b) The given information about series motor on full – load (with ( 220 V ) takes ( 78A) and runs at (850 r.p.m) , the series winding resistance is (0.04 2), with diverter in parallel with the field winding is a (0.18 2) and the armature resistance is (0.09 S2). that the flux is proportional to the field current) is a Neglected the iron, friction and windage losses. Determine the speed when developing full load torque ,the efficiency , maximum efficiency .
Q4) What is the effect in series motor if you assume V = Eb , with low resistance fielding winding ? а) b) The given information about series motor on full – load (with ( 220 V ) takes ( 78A) and runs at (850 r.p.m) , the series winding resistance is (0.04 2), with diverter in parallel with the field winding is a (0.18 2) and the armature resistance is (0.09 S2). that the flux is proportional to the field current) is a Neglected the iron, friction and windage losses. Determine the speed when developing full load torque ,the efficiency , maximum efficiency .
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter33: Single-phase Motors
Section: Chapter Questions
Problem 32RQ
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Question
![Q4)
What is the effect in series motor if you assume V = Eb , with
low resistance fielding winding ?
a)
b)
The given information about series motor on full – load (with
that the flux is proportional to the field current) is a
) takes ( 78A) and runs at (850 r.p.m) , the series winding
resistance is (0.04 2) , with diverter in parallel with the field
winding is a (0.18 2) and the armature resistance is (0.09 S2).
( 220 V
Neglected the iron, friction and windage losses. Determine the
efficiency ,
speed when developing full load torque ,the
maximum efficiency .](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd57b796f-9212-4953-b0b0-8db19bbef7e4%2Fdfbdd69f-3bfb-4bbd-9157-4e10966f42e7%2Fotxbkdo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q4)
What is the effect in series motor if you assume V = Eb , with
low resistance fielding winding ?
a)
b)
The given information about series motor on full – load (with
that the flux is proportional to the field current) is a
) takes ( 78A) and runs at (850 r.p.m) , the series winding
resistance is (0.04 2) , with diverter in parallel with the field
winding is a (0.18 2) and the armature resistance is (0.09 S2).
( 220 V
Neglected the iron, friction and windage losses. Determine the
efficiency ,
speed when developing full load torque ,the
maximum efficiency .
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