Power Electronics Design Laboratory Exercise for Final-Year M.Sc. Students
L Max, T Thiringer, T Undeland, R Karlsson
IEEE Transactions on Education Volume 52, Number 4, ISSN 0018-9359
This paper presents experiences and results from a project task in power electronics for students at Chalmers University of Technology, Goteborg, Sweden, based on a flyback test board. The board is used in the course Power Electronic Devices and Applications. In the project task, the students design snubber circuits, improve the control of the output voltage, improve the gate drive of the main MOSFET transistor and study the influence of stray inductance. The project goals (the circuit improvements) are given, but the procedure for solving the problems and obtaining the results is not specified. Instead the students have to make their own specification in order to reach the goals. "Tools" that are given to the students are the hardware, measurement equipment, an example of the circuit in the circuit simulation software PSpice, and lastly lectures covering the material needed in order to attain the project goals. The project design builds on the ideas from the CDIO (Conceive, Design, Implement, Operate) initiative, where students are encouraged to consider the complete process structure. The result found was a substantial engagement by the students, who had both positive and negative reactions. The negative reactions were mainly that the project specification was too vague, in other words in the (C=Conceive)-phase of the CDIO structure. Further, the teachers observed increased learning, which also was noticeable for the students performing their M.Sc. thesis within the power electronics design area. Finally, it was found that a final written exam is definitely still needed to assess students adequately in the course. (Contains 11 figures and 1 table.)
Max, L., Thiringer, T., Undeland, T. & Karlsson, R. (2009). Power Electronics Design Laboratory Exercise for Final-Year M.Sc. Students. IEEE Transactions on Education, 52(4), 524-531. Retrieved March 27, 2023 from https://www.learntechlib.org/p/64388/.
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