APPLICATION OF INDUSTRIAL FREQUENCY CONVERTERS FOR PROJECT-ORIENTED EDUCATION OF CONTROLLED ELECTRICAL DRIVES
 
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Wrocław University of Science and Technology
 
Power Electronics and Drives 2017;2 (37)(2)
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ABSTRACT:
In the perspective of current trends in engineering education, aiming at meeting industry require-ments, especially in the field of power electronics and motion control, the article presents a way of teaching electric drive control in undergraduate engineering programmes using experimental setups with AC motors, equipped with industrial frequency converters. The setups consist of two motors: induction and PMSM (each one can act as a motor or a load machine) and a number of other ele-ments necessary in contemporary drive systems: speed sensors, temperature sensors and braking re-sistors. While using such setups students can learn about various issues related to AC motor control, both in terms of scalar and field-oriented control methods in all three drive operating modes: torque, velocity and position control. The laboratory setups allow students to familiarise themselves with such detailed issues as: vector control without a speed sensor, various ways of voltage control in a DC input circuit of the voltage inverter during motor braking or the influence of the type and value of load torque on drive system operation. Classes can have a classical form or they can be taught in the open-laboratory system.
CORRESPONDING AUTHOR:
Grzegorz Tarchała   
Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
eISSN:2543-4292
ISSN (print):2451-0262