Dynamic Model of an Interleaved Modular Multilevel DC-DC Converter for MVDC and HVDC Systems

被引：0
|
作者：
Gao, Yang [1 ]
Faria, Nicolas [1 ]
Kish, Gregory J. [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB, Canada
来源：
2017 IEEE ELECTRICAL POWER AND ENERGY CONFERENCE (EPEC) | 2017年
关键词：
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：
The first comprehensive dynamic state-space model of an interleaved DC-MMC is presented. The DC-MMC is one of a new class of non-isolated modular multilevel dc-dc converters that are rapidly gaining traction for deployment in MVDC and HVDC systems. A non-linear time-averaged model of a two string interleaved DC-MMC is derived that fully represents internal capacitor voltage dynamics and converter terminal dynamics. Simulation results verify the time-averaged model exactly captures the low-frequency dynamics of a full switched converter model implemented in PLECS. The model can be used for a variety of applications, for example, rapid time-domain simulation of the DC-MMC, study of internal cell power transfer mechanisms, and analysis of harmonics and circulating currents.
引用
收藏
页码：318 / 325
页数：8
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