±800kV复奉特高压直流系统5年运行分析  

Running Analysis of XSH800 UHVDC Transmission System in Last 5 Years

作　　者：李凤祁[1] 佘振球[1] 徐海军[1] 娄殿强[1] 叶廷路[1] 

机构地区：[1]国家电网公司运行分公司,北京市100052

出　　处：《电力建设》2015年第9期103-111,共9页Electric Power Construction

摘　　要：±800 kV复奉特高压直流输电工程迄今为止已成功运行5年。总结了这5年中复奉直流的运行情况、可用性指标和影响因素。复奉直流5年来累计输送功率达939亿k W·h,未发生双极、单极强迫停运,仅发生5次单阀组强迫停运,强迫能量不可用率仅0.036 8%,达到了世界领先水平,实践证明了直流特高压技术的安全性和经济性。运行期间暴露出的影响可用率的设备问题均已及时充分整改,且推广应用到了后续特高压直流输电工程。复奉直流5年来的成功运行对特高压直流输电工程大规模建设和快速发展起到了示范和推动作用。±800 kV Fulong-Fengxian UHVDC transmission system （XSH800 project） has successfully operated for 5 years. Its operation situation in last 5 years was analyzed, as well as the availability index and influence factors. In last 5 years, the cumulative transmission power of XSH800 was up to 895. 53 billion kWh; bipolar and unipolar forced outage did not occur; single- valve group forced outage only happened five times; the unavailability of forced energy was only 0. 0368%, which reached the international leading level. The practice results prove the safety and economy of UHVDC technology. The equipment problems exposed during operation, which may affect the availability, have been timely and fully corrected, and applied in the subsequent UHVDC transmission project. The successful operation of XSI-1800 in last 5 years has played a role in the demonstration and promotion for the large-scale construction and rapid development of UHVDC transmission project.

关 键 词：特高压直流输电 复奉直流 可用率 运行 

分 类 号：TM72[电气工程—电力系统及自动化]