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categoryهندسة كهربائية
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
A 208-V two-pole 60-Hz Y-connected wound-rotor induction motor is rated at 15 hp. Its
equivalent circuit components are
R₁ = 0.225 R2 = 0.125 XM= 15.0
X₁ = 0.425 X2 = 0.425
Pmech
=
300 W Pmisc = 0 Pcore = 250 W
For a slip of 0.075, find (40%)
(a) The line current IL
(b) The stator copper
losses PSCL
(c) The air-gap power PAG
(d) The power converted from electrical to mechanical form Pconx
(e) The induced torque Tind
(f) The load torque Tload
(g) The overall machine efficiency
(h) The motor speed in revolutions per minute and radians per second
(i) What is the slip at the pullout torque?
(j) What is the pullout torque of this motor?
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