高压直流输电控制保护技术发展的探讨

文章从直流输电的基本控制策略、为满足交直流系统动态性能要求的控制策略、为满足交直流系统暂态性能要求的保护策略、直流控制保护系统软、硬件结构等方面, 综述了我国高压直流输电控制保护技术的基本内容和发展现状。并提出必须从提高可靠性、进一步克服换相失败的弊病、进一步发展远方控制和无人值守的通信技术、加强直流附加控制的研究和应用、采用新的换流元件和新的设计理念等方面努力, 不断提高我国直流输电技术水平。

Development of HVDC Transmission Control and Protection Technology

The fundamentals and current status of China's HVDC transmission control and protection technology are summarized in such aspects as basic DC transmission control strategies,control strategies for AC/DC system dynamic performances,protection strategies for AC/DC system transient performances,DC transmission control and protection system software and hardware architectures,etc.It suggests that to improve current technology,the reliability must be improved,the phase change failure problem must be solved,remote control and unmanned communication technologies must be further developed,supplementary DC control study and application must be strengthened,and new converter components and new design ideas must be adopted,etc.