NDLI: Power direction control of medium frequency isolation DC/DC converter for modular double cascade converter

Content Provider	IEEE Xplore Digital Library
Author	Korhonen, J. Sankala, A. Strom, J. Luukko, J. Silventoinen, P. Komulainen, R. Saren, H. Sodo, N. Isaksson, D.
Copyright Year	2013
Description	Author affiliation: Vacon Inc., NC, USA (Isaksson, D.) \|\| LUT Energy, Electr. Eng., Lappeenranta Univ. of Technol., Lappeenranta, Finland (Korhonen, J.; Sankala, A.; Strom, J.; Luukko, J.; Silventoinen, P.) \|\| Vacon Plc., Vaasa, Finland (Komulainen, R.; Saren, H.; Sodo, N.)
Abstract	Multilevel converters have strongly arrived to the medium voltage drive market. A new voltage source multilevel converter topology, called modular double cascade converter, is discussed. The converter uses cascaded H-bridges as input and output converters and a medium frequency DC/DC converter for galvanic isolation between the H-bridge modules. The key feature for the DC/DC converter is the six-winding transformer, that is able to balance the DC link voltages of the connected converters. It also enables power delivery in both directions, making four quadrant operation feasible. In this paper, different DC/DC converter control schemes are researched. The objective is to find the best method for balancing the DC link voltages between the isolated modules, and to minimize the transformer winding currents.
Sponsorship	IEEE Power Electron. Soc.
Starting Page	2240
Ending Page	2246
File Size	1068886
Page Count	7
File Format	PDF
ISBN	9781467343541
ISSN	10482334
e-ISBN	9781467343558
e-ISBN	9781467343534
DOI	10.1109/APEC.2013.6520607
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches Bridge circuits Topology Belts Inverters Windings Voltage measurement
Content Type	Text
Resource Type	Article

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