Electric Machine-check image, all question there. Consider the above equivalent circuit of IM. A three phase, Y connected , 215 V (line to line), 7.5Kw , 60Hz , three pole IM has the following parameter values in Ω/phase referred to the stator R1=0.294Ω , R2=0.144 Ω, X1=0.203 Ω, X2=0.409 Ω, Xm=10.25 Ω The total friction , windage and core losses may be assumed to be constant at 350W independent of load, For a slip s=0.02, compute the followings a)Stator current b)Power factor(pf) c)Rotor speed d)Power Output(shaft) e)Output(shaft) torque f)Efficiency
Electric Machine-check image, all question there. Consider the above equivalent circuit of IM. A three phase, Y connected , 215 V (line to line), 7.5Kw , 60Hz , three pole IM has the following parameter values in Ω/phase referred to the stator R1=0.294Ω , R2=0.144 Ω, X1=0.203 Ω, X2=0.409 Ω, Xm=10.25 Ω The total friction , windage and core losses may be assumed to be constant at 350W independent of load, For a slip s=0.02, compute the followings a)Stator current b)Power factor(pf) c)Rotor speed d)Power Output(shaft) e)Output(shaft) torque f)Efficiency
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Electric Machine-check image, all question there.
Consider the above equivalent circuit of IM.
A three phase, Y connected , 215 V (line to line), 7.5Kw , 60Hz , three pole IM has the following parameter values in Ω/phase referred to the stator
R1=0.294Ω , R2=0.144 Ω, X1=0.203 Ω, X2=0.409 Ω, Xm=10.25 Ω
The total friction , windage and core losses may be assumed to be constant at 350W independent of load, For a slip s=0.02, compute the followings
a)Stator current
b)Power factor(pf)
c)Rotor speed
d)Power Output(shaft)
e)Output(shaft) torque
f)Efficiency
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