Key Technologies and Prospects for DC Power Grid Planning

被引:0
|
作者
Lu J. [1 ,2 ]
He Z. [1 ,3 ,4 ]
Zhao C. [2 ]
An T. [1 ]
Tang G. [1 ]
Pang H. [1 ]
机构
[1] Global Energy Interconnection Research Institute Co. Ltd., Beijing
[2] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Beijing
[3] State Key Laboratory of Advanced Power Transmission Technology, Beijing
[4] Beijing Key Laboratory of DC Grid Technology and Simulation, Beijing
来源
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2019年 / 43卷 / 02期
关键词
DC power grid; Grid-connection of new energy resources; Multi-infeed; Power system planning; Voltage source converter;
D O I
10.7500/AEPS20180828005
中图分类号
学科分类号
摘要
The vigorous development of new energy has made fundamental changes in the mode of supply and usage of traditional energy. Meanwhile, the new situation in the coexistence of power generation of large coal power, hydropower, photovoltaic and wind energy has brought great challenges and profound innovations to the traditional power transmission technology. The DC power grid based on traditional line commutated converter (LCC) and flexible voltage source converter (VSC) technology is investigated, and the research trends of DC power grid planning are reviewed. Firstly, the features and advantages of DC power grid are analyzed, and the framework of DC power grid planning is put forward and elaborated in detail. Then, the research ideas based on two application scenarios for DC grid planning are proposed, including the access of new energy to grid, multi-infeed and multi-terminal DC network. The multi-power electronic equipment co-optimization DC planning is also discussed. Finally, the preliminary planning of the demonstration project of the Zhangbei ±500 kV flexible DC power grid is briefly analyzed. And the key issues and prospects for researches of DC power grid planning in the future are provided. © 2019 Automation of Electric Power Systems Press.
引用
收藏
页码:182 / 191
页数:9
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