Medium-Voltage DC Grid Connection Using Modular Multilevel Converter

被引：0

作者：

Jafarishiadeh, Seyyedmahdi ^{[1
]}

Farasat, Mehdi ^{[1
]}

Sadigh, Arash Khoshkbar ^{[2
]}

机构：

[1] Louisiana State Univ, Dept Elect & Comp Engn, Baton Rouge, LA 70803 USA

[2] Extron Elect, Anaheim, CA USA

来源：

2017 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2017年

关键词：

Modular multilevel converter; multi-terminal isolated DC/DC converter; MVDC interconnection; FAULT BLOCKING CAPABILITY; HVDC; OPERATION;

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：

In recent years medium voltage direct-current (MVDC) grids have gained significant attention. This paper presents a new isolated modular multilevel converter (MMC)-based dc/dc converter for connecting such networks. The proposed converter can connect DC grids with different voltage levels and control power flow among them. The proposed isolated dc/dc converter has fewer components compared to conventional isolated MMC-based dc/dc converter. A major challenge in MMC-based dc/dc converters is balancing capacitor voltages in each arm and phase. To this end, a closed loop control is proposed. Simulation results using Matlab/SIMULINK is provided to demonstrate the dynamic response under step changes of reference powers.

引用

页码：2686 / 2691

页数：6

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