220kV耐张塔跳线风偏跳闸原因分析及预防措施

Cause Analysis and its Protective Measure to Line Trips Due to Windage Yaw of 220 kV Strain Tower Jumper Wires of 600 MW Air Cooled Power Units

针对乌兰察布地区耐张塔跳线发生风偏跳闸的案例,结合气候条件、地形特点、线路走向及跳线结构等方面分析了风偏跳闸的原因,提出调整跳线串的迎风面、消除跳线存在的正误差、加装重锤和氟硅橡胶导线护套等防范措施,并给出相关防风建议。