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PE/PEL
No. of members: 210
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Society web pages: www.pels.org, www.ieee-pes.org
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Distinguished Lecturer

By Hirofumi Akagi

 
Title                                             : New Trends in Power Electronics for High-Power Applications
Speaker                                      : Prof. Hirofumi Akagi, Tokyo Institute of Technology, Tokyo, Japan
Date and time                             : Monday 15th December, 15:00 - 17:00
Venue                                          : KTH Royal Institute of Technology, Stockholm, Lecture Room M33
 
Abstract:
This talk lays emphasis on an overview of circuit configurations, controls and applications of the family of modular multilevel cascade converters for grid connections and electric-motor drives. It also presents experimental results obtained from a few different downscaled systems that were designed, constructed and tested in the speaker's laboratory. Moreover, this talk describes a 750-V, 100-kW, 20-kHz bidirectional isolated dc-dc dual-active-bride (DAB) converter with focus on conversion efficiency and power-loss breakdown. The dc-dc converter consists of four 1.2-kV, 400-A SiC-MOSFET/SBD dual modules and magnetic devices including a 20-kHz transformer with a nano-crystalline soft-magnetic material. The SiC dual (two-in-one) module used in this experiment is the same in appearance, that is, size, shape, and terminal/pin arrangement as the latest 1.2-kV, 300-A Si-IGBT dual module.
 
Hirofumi Akagi Biography:
Hirofumi Akagi, professor and vice dean of the school of engineering at the Tokyo Institute of Technology, is a leading researcher in power conversion systems and their application to industry, utility and transportation. He has pioneered the theory of instantaneous reactive power in three-phase circuits, referred to as the “p-q theory,” which has been applied to power conversion systems and active filters for power conditioning. In addition, Dr. Akagi invented hybrid active-passive filters, the system concept and operating principle of which have been applied to the hybrid active-passive filter used in the Yamanashi test line for Japan's super high-speed, magnetically levitated train system. An IEEE Fellow, Dr. Akagi holds nine patents – with five more pending, and has authored or co-authored more than 70 IEEE Transactions/Journals. Dr. Akagi has received four IEEE Transactions Prize Paper Awards, the IEEE William E. Newell Power Electronics Award and the IEEE Industry Applications Society Outstanding Achievement Award.
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For more information about our chapter and our activities, please, send us an e-mail to pe_pel@ieee.se.
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Chapter Board
Chair: Lina Bertling
lina.bertling@chalmers.se, +46 31 772 1648
Vice-chair: Hans Peter Nee
hansi@ee.kth.se , +46 8 790 7781
Treasurer: Hector Zelaya de la Parra
hector.zelaya@se.abb.com, +46 21 323275
Secretary: Olof Samuelsson
Olof.Samuelsson@iea.lth.se, +46 46 222 7504
Member: Jianping Wang
jianping.wang@se.abb.com, +46 21 323298
Webmaster: Zhu Kun
ZhuK@ics.kth.se , +46 8 790 6829
Miscellaneous: Tuan Le
tuan.le@chalmers.se, +46 31 772 3832

Lina Bertling
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