Answered: ANSWER SCHEME 1. Electric drive a)…

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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Transcribed Image Text:ANSWER SCHEME 1. Electric drive a) Power source: explains type of source (either regulated or unregulated) 1m b) Power processing unit – explains the type of power electronic converters used and what it is used for – 1m c) Motor – explains a typical selection- state factors such as cost, efficiency, environment - 2m d) Control unit – explains the type of control and sensors used as input to the controller- 1m e) Load - explains the torque requirement -1m 2. a) Steady-state requirement: explains the speed + torque needed at rated operations -2m b) Transient state requirement: explains the speed + torque needed at accelerated (starting) /decelerated (stopping) operation. -4m 3. Approximated model – a mathematical representation of the load torque and transient torque. Must include the determination of the moment of inertia of the application -5m 4. Motion profile requirement – explains the type of motion profile needed for the whole operation with diagram -5m 5. Selection with justification (such as rated power, rated speed, pull-out torque with respect to the load demand) -5m

Transcribed Image Text:Your solution must include: 1. Components of the electric drive (at the minimum you should explain the power source, the motor, power processing unit, control unit, and the mechanical load i.e. torque requirement). 2. Steady-state and transient operation requirements 3. Approximated model of the motor-load system which should at least presents the equation of the torque requirement at steady-state and transient state. This must be accompanied by a supporting diagram. If the application uses a power transmission system, the model must reflect the use of the power transmission in the equations presented. 4. Motion profile requirement. You should also consider whether the application requires continuous/ intermittent operation. 5. The possible selection of the motor based on all the requirements in 3,4 and 5. Please accompany the proposal with a suitable datasheet

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