Lecture 9 - Courses - University of British Columbia
Lecture 9 - Courses - University of British Columbia
Lecture 9 - Courses - University of British Columbia
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>University</strong> <strong>of</strong> <strong>British</strong> <strong>Columbia</strong> Elec Machines & Electronics<br />
EECE 365 – Winter 2012 Supplemental 9: I-Machines II<br />
Example 2: Motor Tests<br />
A three phase, 280 V, 60 Hz, 20 hp, four pole induction motor has the following<br />
parameters:<br />
R1 = 0.12 Ω X1 = 0.25 Ω<br />
R2’ = 0.1 Ω X2’ = 0.25 Ω<br />
Xm = 10.0 Ω<br />
Prot = 400 W<br />
2. For a slip <strong>of</strong> 5%, determine:<br />
a. The motor speed in radians/sec<br />
b. The motor current<br />
c. The stator copper losses<br />
d. The air gap power<br />
e. The shaft power<br />
f. The developed torque<br />
g. The shaft torque<br />
h. The efficiency<br />
Nathan Ozog Page 3 <strong>of</strong> 4
Change language