我国特高压输电系统的过电压和绝缘配合

Overvoltage and Insulation Coordination on UHV Transmission System in China

参考国内外研究成果，分析了我国下一世纪可能要建设的特高压输电系统限制过电压、潜供电流的主要方法，以及限制后过电压、潜供电流的水平，并选择了ＭＯＡ的参数。在此基础上，对特高压系统的主要变电设备（包括变压器、断路器、隔离开关、电抗器和ＭＯＡ）和输电线路的绝缘水平提出了建议。

Consulting the domestic and foreign research results, this paper presents the methods of suppressing over voltage and seconary arc current on UHV power transmission system of China in the next century. It also gives the over voltage level and the secondary arc current level after using the suppressing methods and the parameters of MOA. This paper, based on above analyses and researches, suggests the insulation level of the main equipment on UHV system (including transformer, circuit breaker, disconnecting switch, reactor and MOA), which can be used as references to research and manufacture of UHV equipment and design of power substation and transmission line.