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AY - connected, three-phase, 4 -pole, interior permanent magnet motor with the following specifications: - Rated line-to-line voltage is 250Vms · - The open-circuit rms phase voltage is Voc = 27Vrms/krpm. - The stator resistance is 5.67ms2, La = 120 H and L, = 580µH. %3D a) Calculate the rotor flux linking the stator A pm A pm = VI(radls) Use 4 digits after the decimal point. b) For a current magnitude of 400A, find the current angle which results in a maximum torque production degrees %3D Use 4 digits after the decimal point. c) I the maximum torque. Tmax = N.m Use 4 digits after the decimal point.

AY - connected, three-phase, 4 -pole, interior permanent magnet motor with the following specifications: - Rated line-to-line voltage is 250Vms · - The open-circuit rms phase voltage is Voc = 27Vrms/krpm. - The stator resistance is 5.67ms2, La = 120 H and L, = 580µH. %3D a) Calculate the rotor flux linking the stator A pm A pm = VI(radls) Use 4 digits after the decimal point. b) For a current magnitude of 400A, find the current angle which results in a maximum torque production degrees %3D Use 4 digits after the decimal point. c) I the maximum torque. Tmax = N.m Use 4 digits after the decimal point.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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AY - connected, three-phase, 4 - pole, interior permanent magnet motor with the following specifications: - Rated line-to-line voltage is 250Vms- - The open-circuit rms phase voltage is Voc = 27Vrms/krpm. %3D - The stator resistance is 5.67m2, La = 120uH and Lg = 580µH. %3D %3D a) Calculate the rotor flux linking the stator À pm A pm VI(radls) Use 4 digits after the decimal point. b) For a current magnitude of 400A, find the current angle which results in a maximum torque production degrees Use 4 digits after the decimal point. c) Find the maximum torque. Tmax N. m Use 4 digits after the decimal point. d) What is the maximum speed in rpm the motor can spin at no-load without exceeding the rated voltage? nmax rpm Use 4 digits after the decimal point.
Transcribed Image Text:AY - connected, three-phase, 4 - pole, interior permanent magnet motor with the following specifications: - Rated line-to-line voltage is 250Vms- - The open-circuit rms phase voltage is Voc = 27Vrms/krpm. %3D - The stator resistance is 5.67m2, La = 120uH and Lg = 580µH. %3D %3D a) Calculate the rotor flux linking the stator À pm A pm VI(radls) Use 4 digits after the decimal point. b) For a current magnitude of 400A, find the current angle which results in a maximum torque production degrees Use 4 digits after the decimal point. c) Find the maximum torque. Tmax N. m Use 4 digits after the decimal point. d) What is the maximum speed in rpm the motor can spin at no-load without exceeding the rated voltage? nmax rpm Use 4 digits after the decimal point.
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