DocumentCode
708357
Title
The new family of high step ratio modular multilevel DC-DC converters
Author
Xiaotian Zhang ; Green, Timothy C.
Author_Institution
Dept. of Electr. Eng., Imperial Coll. London, London, UK
fYear
2015
fDate
15-19 March 2015
Firstpage
1743
Lastpage
1750
Abstract
This paper presents a family of modular multilevel converters (MMCs) for high step ratio dc-dc conversion. The modular multilevel unidirectional step-down dc-dc converter topologies are presented. The high step-up ratio bidirectional modular multilevel dc-dc converter is also provided. Operation principle and analysis of the bidirectional dc-dc converter are shown, and verified by experimental results with a conversion ratio of 1 : 10. The proposed converters achieve high voltage step ratio depending on the number of sub-modules and the charging ratio.
Keywords
DC-DC power convertors; bidirectional dc-dc converter; charging ratio; high step ratio dc-dc conversion; high step ratio modular multilevel DC-DC converters; modular multilevel unidirectional step-down dc-dc converter topologies; operation principle; Capacitors; DC-DC power converters; Inductors; Insulated gate bipolar transistors; Resonant frequency; Topology; Voltage control;
fLanguage
English
Publisher
ieee
Conference_Titel
Applied Power Electronics Conference and Exposition (APEC), 2015 IEEE
Conference_Location
Charlotte, NC
Type
conf
DOI
10.1109/APEC.2015.7104582
Filename
7104582
Link To Document