高海拔地区变电站500kV高抗回路隔离开关断口优化研究

The research on optimized breakage of disconnector used for 500kv high voltage shunt reactor in high altitude area

本文首先对高海拔地区500kV变电站空气间隙及放电电压要求进行了分析计算,确定了高海拔地区500kV空气间隙要求,然后对500kV高抗回路隔离开关的电压特性进行分析,最后对高抗回路隔离开关断口进行优化,其结果满足实际工程布置需求,对丰富高海拔地区设备选型具有实际意义。

This paper calculates air gap and discharge voltage,defines air gap requirements of 500kV substation in high altitude area,then analyzes voltage characteristic of disconnector used for 500kV high voltage shunt reactor,optimizes the breakage of disconnector.Optimized disconnector meets the actual engineering layout requirements.It is of practical significance to enrich the equipment selection in high altitude area.