Three-phase machines and drives - Equipment for a laboratory-based course
Shirsavar, S. A., Potter, B. A. and Ridge, I. A. L. (2006) Three-phase machines and drives - Equipment for a laboratory-based course. IEEE Transactions on Education, 49 (3). pp. 383-388. ISSN 0018-9359
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To link to this article DOI: 10.1109/te.2006.879266
The hazards associated with high-voltage three-phase inverters and high-powered large electrical machines have resulted in most of the engineering courses covering three-phase machines and drives theoretically. This paper describes a set of purpose-built, low-voltage, and low-cost teaching equipment that allows the hands-on instruction of three-phase inverters and rotating machines. The motivation for moving towards a system running at low voltages is that the students can safely experiment freely with the motors and inverter. The students can also access all of the current and voltage waveforms, which until now could only be studied in textbooks or observed as part of laboratory demonstrations. Both the motor and the inverter designs are for teaching purposes and require minimal effort and cost.