Design and Optimization Approach for the Magnetic Components of a Five-Level Current Source Rectifier

Lisandra K. Reis; Marcelo L. Heldwein

doi:10.18618/REP.2021.4.0018

Authors

Lisandra K. Reis Instituto Federal de Santa Catarina, Florianópolis – Santa Catarina, Brasil
Marcelo L. Heldwein Universidade Federal de Santa Catarina, Florianópolis – Santa Catarina, Brasil

DOI:

https://doi.org/10.18618/REP.2021.4.0018

Keywords:

CLC filter optimization, current- source converter, dc output filter optimization, Interphase transformer utilization, magnetics multilevel converter optimization

Abstract

This work presents a design and optimization method of the five-level current source converter magnetics components, this is a contribution of this work, since the magnetics volume information of this topology lacks in the literature. The magnetics components are: the interphase transformers, the input and the output filter inductors. The converter volume is minimized when the magnetic components multi-domain optimization is done. The inductance values are defined with given constraints such as Electromagnetic Compatibility standards for differential mode filters, conduction and switching losses of the semiconductors and maximum current variation. This optimization is shown for two different converter switching frequencies: 45 kHz and 150 kHz. The copper losses, iron losses and temperature rise are calculated and used for selecting the smallest volume of each magnetic component with given specifications. A 6-kW prototype with the optimized magnetics was constructed

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Author Biographies

Lisandra K. Reis, Instituto Federal de Santa Catarina, Florianópolis – Santa Catarina, Brasil

received the B.S. and M.S. degrees in electrical engineering from the Federal University of Santa Catarina, Florianópolis, Brazil, in 2010 and 2013, respectively. She also received the B.S. and M.S. From the Institut National Polytechnique of Toulouse, Toulouse, France, in 2010. She is currently an Adjunct Professor with the Electrotechnical Department, Federal Institute of Education, Science and Technology of Santa Catarina, Florianópolis, Brazil.

Marcelo L. Heldwein, Universidade Federal de Santa Catarina, Florianópolis – Santa Catarina, Brasil

(S’99-M’08-SM’13) received the B.S. and M.S. degrees in electrical engineering from the Federal University of Santa Catarina (UFSC), Florianópolis, Brazil, in 1997 and 1999, respectively, and his Ph.D. degree from the Swiss Federal Institute of Technology (ETH Zurich), Zurich, Switzerland, in 2007.

He is currently an Associate Professor with the Department of Electronics and Electrical Engineering at the UFSC. From 1999 to 2003, he worked with industry, including R&D activities at the Power Electronics Institute, Brazil and Emerson Network Power, Brazil and Sweden. He was a Postdoctoral Fellow at the ETH Zurich and at the UFSC from 2007 to 2009. Dr. Heldwein is a member of the Brazilian Power Electronic Society (SOBRAEP). He is also a member of the Advisory Board of PCIM Europe and an Associated Editor of the IET The Journal of Engineering.

His research interests include Power Electronics, Advanced Power Distribution Technologies and Electromagnetic Compatibility.

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