800 kV GIS设备用盆式绝缘子设计开发

Design and Development of Basin Insulator for 800 kV GIS

盆式绝缘子的可靠性对整套气体绝缘金属封闭开关设备(GIS)以及电网的安全运行至关重要。以800 kV GIS用盆式绝缘子为例,从盆式绝缘子的外形、屏蔽环、中心嵌件等方面综合考虑进行结构设计,应用有限元分析软件对关键部位的绝缘性能和机械性能进行仿真计算,计算结果满足判据要求,并通过型式试验验证了设计的可行性。

The reliability of basin insulator is critical to the safe operation of complete Gas-Iinsulated Metal-Enclosed Switchgear(GIS)as well as the power grid.In this paper,taking the basin insulator used in 800 kV GIS as an example,the structural design of the basin insulator was comprehensively considered from the aspects of shape,shielding ring and center inset,etc,the insulation and mechanical properties of key parts were simulated calculated by finite element analysis software,the calculation results meet the criterion requirements,also the feasibility of the design was verified by type test.