直流电网核心装备及关键技术展望
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摘要
直流电网技术是解决区域内高比例可再生能源并网和消纳问题的有效技术手段,但构建直流电网将面临技术、装备和标准等方面的诸多挑战。基于直流电网的技术特点,分析了高比例可再生能源并网、远海风电并网、直流配电网等3种典型应用场景,详细阐述了直流电网关键技术和核心设备的最新研究进展,研究提出了直流电网技术的发展方向,分析了未来直流电网发展需要研究的关键技术,指出未来随着直流电网基础理论体系的完善,以及关键技术、核心设备的突破,直流电网技术将在全球广泛互联的能源网络中发挥更大的作用。
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 agreater role in the global interconnected energy network.
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 agreater role in the global interconnected energy network.
引文
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