NDLI: DC side ripple cancellation in a cascaded multi-level topology for automotive applications

Content Provider	IEEE Xplore Digital Library
Author	Goodman, A. Watson, A. Dey, A. Clare, J. Wheeler, P. Zushi, Y.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Univ. of Nottingham, Nottingham, UK (Goodman, A.; Watson, A.; Dey, A.; Clare, J.; Wheeler, P.) \|\| Nissan Motor Co. Ltd., Japan (Zushi, Y.)
Abstract	Cascaded H-Bridge converters are an attractive topology for automotive applications due to the potential improvements in motor efficiency and the system modularity they offer. Isolated voltage sources are required in this structure and one approach to providing these is use of the Dual Active Bridge converter. Regardless of the number of phases in the load, each element in the cascade supplies a single phase, and hence must supply the associated twice output frequency ripple component. The presented control methodologies effectively transfer these twice output frequency ripple components back to the primary side of the Dual Active Bridge converters, where in the case of a balanced multi-phase load, cancellation occurs. This results in both a smaller input and output capacitor requirement for the Dual Active Bridge Converter while ensuring the ripple current is not sourced from the battery in this application. Simulation results for two methodologies are presented, along with experimental results.
Starting Page	5916
Ending Page	5922
File Size	3934719
Page Count	7
File Format	PDF
ISBN	9781479957767
DOI	10.1109/ECCE.2014.6954213
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitors Bridge circuits Frequency conversion Capacitance Batteries Frequency control Power harmonic filters
Content Type	Text
Resource Type	Article

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