P.9 – A three-phase induction motor has the following parameters: P. = 20CV (1CV = 736W), Uc, = 380V , f=50Hz, 4 magnetic poles (p=2), P,=400W, and works at its rated power with a slip of s„(%)=5%. For this specific condition of rated power calculate: a) - the internal power (P;) b) - the torque available at the shaft (T. ) c) - the rotor copper losses ( Pc,)
P.9 – A three-phase induction motor has the following parameters: P. = 20CV (1CV = 736W), Uc, = 380V , f=50Hz, 4 magnetic poles (p=2), P,=400W, and works at its rated power with a slip of s„(%)=5%. For this specific condition of rated power calculate: a) - the internal power (P;) b) - the torque available at the shaft (T. ) c) - the rotor copper losses ( Pc,)
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Transcribed Image Text:P.9 - A three-phase induction motor has the following parameters: P, = 20CV
(1CV = 736W), Uc. = 380V , f-50HZ, 4 magnetic poles (p=2), P,=400W, and
works at its rated power with a slip of s„(%)=5%.
For this specific condition of rated power calculate:
a) - the internal power (P)
b) - the torque available at the shaft (Tm, )
c) - the rotor copper losses (Pc,)
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