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Question 3: Answer the following question below: a. Consider a permanent-magnet de motor with the following parameters: R-0.4ohm, L.-1 mH, kE-0.4 V/(rad/s), kr-0.4 Nm/A, and J-0.03 kg m. The rated torque of this motor is 5 Nm. Plot the steady state torque-speed characteristics for V.-60 V b. The motor in (a) is driving a load whose torque requirement remains constant at 5 Nm, independent of speed. Calculate the armature voltage V. to be applied in steady state, if this load is to be driven at 1,800 rpm.

Question 3: Answer the following question below: a. Consider a permanent-magnet de motor with the following parameters: R-0.4ohm, L.-1 mH, kE-0.4 V/(rad/s), kr-0.4 Nm/A, and J-0.03 kg m. The rated torque of this motor is 5 Nm. Plot the steady state torque-speed characteristics for V.-60 V b. The motor in (a) is driving a load whose torque requirement remains constant at 5 Nm, independent of speed. Calculate the armature voltage V. to be applied in steady state, if this load is to be driven at 1,800 rpm.

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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Question 3: Answer the following question below: a. Consider a permanent-magnet de motor with the following parameters: R-0.4ohm, L.-1 mH, kE-0.4 V/(rad/s), kr=0.4 Nm/A, and J-0.03 kg m. The rated torque of this motor is 5 Nm. Plot the steady state torque-speed characteristics for V.-60 V b. The motor in (a) is driving a load whose torque requirement remains constant at 5 Nm, independent of speed. Calculate the armature voltage V. to be applied in steady state, if this load is to be driven at 1,800 rpm. c. In an ECM drive, kg-kr-0.8 in SI units. Plot the phase currents and the induced-emf waveforms, as a function of 5, if the motor is operating at a speed of 150 rad/s and delivering a torque of 7 Nm.
Transcribed Image Text:Question 3: Answer the following question below: a. Consider a permanent-magnet de motor with the following parameters: R-0.4ohm, L.-1 mH, kE-0.4 V/(rad/s), kr=0.4 Nm/A, and J-0.03 kg m. The rated torque of this motor is 5 Nm. Plot the steady state torque-speed characteristics for V.-60 V b. The motor in (a) is driving a load whose torque requirement remains constant at 5 Nm, independent of speed. Calculate the armature voltage V. to be applied in steady state, if this load is to be driven at 1,800 rpm. c. In an ECM drive, kg-kr-0.8 in SI units. Plot the phase currents and the induced-emf waveforms, as a function of 5, if the motor is operating at a speed of 150 rad/s and delivering a torque of 7 Nm.
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