Multiport Modular Multilevel Converter for DC Systems

被引：20
|
作者：
Kung, Sunny H. [1 ]
Kish, Gregory J. [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2R3, Canada
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2019年 / 34卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
DC-DC power conversion; HVDC converters; HVDC transmission;
D O I：
10.1109/TPWRD.2018.2846264
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：
Multiport HV DC-DC converters are required to facilitate future HVDC infrastructure with the ability to interconnect and manage power flow between multiple HVDC networks. Existing topologies offer limited modularity and scalability, making them difficult to implement in the fast-growing HVDC industry. In this paper, a multiport modular multilevel converter (MP-MMC) is proposed as the first truly modular multiport HV DC-DC converter. The MP-MMC is made up of multiple subconverters that can be controlled individually with de-centralized controllers, allowing easy reconfiguration and high reliability of the converter power circuit. The MP-MMC is compared with other prominent multiport HV DC-DC converters based on modularity, reliability, semiconductor effort, magnetics requirement, and fault-blocking performance. Operation and performance of the MP-MMC are verified by simulation.
引用
收藏
页码：73 / 83
页数：11
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