Isolated and Nonisolated DC-to-DC Converters for Medium-Voltage DC Networks: A Review

被引：71
|
作者：
Alhurayyis, Ibrahim [1 ]
Elkhateb, Ahmad [1 ]
Morrow, John [1 ]
机构：
[1] Queens Univ, Sch Elect Elect Engn & Comp Sci EEECS, Belfast BT9 5AH, Antrim, North Ireland
来源：
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS | 2021年 / 9卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
Switches; Bridge circuits; Topology; DC-DC power converters; Zero voltage switching; Generators; dual active bridge (DAB); medium-voltage dc (MVdc) grids; multilevel (ML) converter; DUAL-ACTIVE-BRIDGE; SOLID-STATE TRANSFORMER; MODULAR MULTILEVEL CONVERTER; HIGH-POWER; DC/DC CONVERTER; DAB CONVERTER; MVDC; CONVERSION; CAPACITOR; HVDC;
D O I：
10.1109/JESTPE.2020.3028057
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Medium-voltage dc (MVdc) technology is a promising solution to avoid the installation of new ac networks. MVdc can provide optimum integration of large-scale renewable energy sources, the interconnection of different voltage levels of dc and ac grids with the ancillary services. The development in MVdc depends significantly on the dc-dc converters. Such converters support the modern trends of utilizing medium-frequency transformers in power networks. Research on isolated converters technology is in its infancy and limited by the conversion ratio and component ratings. Besides, there is no standards exist covering specific aspects of isolated converter product. Thus, a review of such converters is needed. This work presents, for the first time, a review of the dc-dc power converter families in MVdc grids, including the leading families that are isolated and nonisolated converters, as well as other subfamilies comparing the specifications and characteristics. Also, the applications of these converters are provided by focusing on the essential requirements for each application.
引用
收藏
页码：7486 / 7500
页数：15
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