ISSN 1000-1026
CN 32-1180/TP
  • ISSN 1000-1026
  • CN 32-1180/TP

Citation: YAN Sheng,LUO Xiang,HE Zhiyuan.Prospect of Core Equipment and Key Technology for DC Power Grid[J].Automation of Electric Power Systems,2019,43(3):205-215. DOI: 10.7500/AEPS20180508006 copy

Prospect of Core Equipment and Key Technology for DC Power Grid

  • Received Date: May 08, 2018
    Accepted Date: September 30, 2018
    Available Online: December 10, 2018

  • Abstract:

        Direct current (DC) power grid is effective in solving the problems when high penetration of renewable energy is integrated into the power system. However, the construction of the DC power grid will face challenges in the aspects of technology, equipment and standards. Based on the technical characteristics of DC power grid, three typical application scenarios such as high-penetration renewable energy grid connection, offshore wind power grid connection and DC distribution network are analyzed. The latest research progress of key technologies and core equipments of DC power grids is elaborated. The development direction of DC power grid technology is proposed. The key technologies for the development of DC power grids are analyzed. The future development of DC power grid basic theory system, breakthrough in key technologies and core equipment are pointed out. The above research indicates that DC power grid technology will play a greater role in the global interconnected energy network.

  • Keywords:

    direct current (DC) power grid; high penetration of renewable energy; voltage source converter; Energy Internet

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