Six-Step MMC-Based High Power DC-DC Converter

被引：0
|
作者：
Milovanovic, Stefan [1 ]
Dujic, Drazen [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, PEL, Stn 11, CH-1015 Lausanne, Switzerland
来源：
2018 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-NIIGATA 2018 -ECCE ASIA) | 2018年
关键词：
HVDC; MVDC; Modular Multilevel Converter (MMC); High Power DC-DC Conversion; AC DISTRIBUTION LINES; CONVERSION;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Roth DC collection and transmission grids have enjoyed a lot of popularity lately. In order to successfully take advantage of the benefits offered by DC systems, reliable connection between two networks of different voltage levels has to be obtained. This paper presents high step-down ratio, isolated DC-DC converter intended to connect high/medium voltage grid with a low voltage DC grid. Proposed converter combines two Modular Multilevel Converters in series at high/medium voltage side with conventional Six-Step Converter at low voltage side, interfaced by means of Three Winding Three-Phase transformer. Basic operating principles, along with design and sizing rules, are presented and supported by simulation results.
引用
收藏
页码：1484 / 1490
页数：7
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