IGBT based high power DC-DC converters

Author

Na Deng ; Xiao-Ping Zhang

Author_Institution

Sch. of Electron., Electr. & Comput. Eng., Univ. of Birmingham, Birmingham, UK

fYear

2012

fDate

4-5 Dec. 2012

Firstpage

1

Lastpage

6

Abstract

In this paper, a type of high power DC-DC converter based on IGBT switches is proposed. Basically, the converter consists of two bidirectional IGBT bridges linked by a pair of energy storage capacitors. It is capable of MW power transfer and can achieve very high voltage ratios. Moreover, the converter can alleviate the overvoltage and overcurrent problems when a DC fault happens on either side. Both the theoretical analysis and control strategy are discussed. Besides, comparisons between the two types of high power DC-DC converters, which is IGBT based and thyristor based respectively, are made through comprehensive simulations.

Keywords

DC-DC power convertors; HVDC power convertors; HVDC power transmission; overcurrent protection; overvoltage protection; power capacitors; power semiconductor switches; thyristors; DC fault; IGBT switches-based high power DC-DC converters; MW power transfer; energy storage capacitors; overcurrent problems; overvoltage problems; thyristor-based high power DC-DC converters; two bidirectional IGBT bridges; very high voltage ratios; DC-DC converters; MW power transfer; bidirectional power management; fault current management;

fLanguage

English

Publisher

iet

Conference_Titel

AC and DC Power Transmission (ACDC 2012), 10th IET International Conference on

Conference_Location

Birmingham

Electronic_ISBN

978-1-84919-700-7

Type

conf

DOI

10.1049/cp.2012.1984

Filename

6521283