Energy storable VSC-HVDC system based on modular multilevel converter

被引:19
|
作者
Guo, Jie [1 ,2 ]
Jiang, Daozhuo [2 ]
Zhou, Yuebin [2 ]
Hu, Pengfei [2 ]
Lin, Zhiyong [2 ]
Liang, Yiqiao [2 ]
机构
[1] State Grid Hebei Elect Power Res Inst, 238 South Ti Yu St, Shijiazhuang 050021, Hebei Province, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China
关键词
Energy storage; HVDC transmission; Modular multilevel converter; Renewable energy sources; Supercapacitors; Voltage source converter;
D O I
10.1016/j.ijepes.2015.11.074
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
A new High Voltage DC (HVDC) transmission system is proposed in this paper. This new HVDC topology is composed of a diode rectifier, a Modular Multilevel Converter (MMC) with short-term energy storage capability, and dc power cable or transmission line. Compared with conventional MMC HVDC, the proposed topology has the advantages of lower cost due to having only one MMC converter, and short-term energy storage capability. A novel control strategy is proposed by making full use of redundant submodules of MMC and making the dc terminal voltage variable. Energy management control is also proposed to manage input and output power and to limit the stored energy in a certain range. Simulation results verify the viability and effectiveness of this energy storable VSC-HVDC system. The basic principle of the system is further reinforced by experimental results. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:269 / 276
页数:8
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