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A three-phase induction motor has the following parameters: Uc 380V,

A three-phase induction motor has the following parameters: Uc 380V,

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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P.10 - A three-phase induction motor has the following parameters: Uc, = 380V , f-50HZ, 6 magnetic poles (p=3), P., = 10CV , s„(%)=3%, P,=200W (at n=n„). If the motor is supplied by a variable speed driver in the operating mode of Pm = C“ at a frequency of f=40HZ, calculate: a) - the speed (n,) corresponding to s=s, b) - the frequency of the rotor currents (fr) c) - the torque available at the shaft (Tm )
Transcribed Image Text:P.10 - A three-phase induction motor has the following parameters: Uc, = 380V , f-50HZ, 6 magnetic poles (p=3), P., = 10CV , s„(%)=3%, P,=200W (at n=n„). If the motor is supplied by a variable speed driver in the operating mode of Pm = C“ at a frequency of f=40HZ, calculate: a) - the speed (n,) corresponding to s=s, b) - the frequency of the rotor currents (fr) c) - the torque available at the shaft (Tm )
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