一种输电线路绝缘子闪络报警定位系统

运行中的输电线路绝缘子长期处于恶劣的自然环境中,极易在表面污秽、覆冰、雷电等因素作用下发生闪络现象。频繁发生的闪络事故不利于输电线路稳定运行,造成国民经济极大损失。本文针对输电线路绝缘子闪络现象,分析了闪络产生的危害;提出以Rogowski线圈为基础的闪络放电电流非接触式测量传感器设计方案。介绍了基于STM32F系列,内核为32位ARM的微控制器为核心的输电线路绝缘子闪络预警系统控制电路的硬件设计方案及软件流程,给出了模块硬件连接网络图与软件流程图。该系统的实施可准确定位闪络绝缘子、及时报警,为寻线检修提供有利条件,为输电线路安全运行提供可靠保障。

One of the Positioning Alarm System for Transmission Line Insulator Flashover

the transmission line insulators in service being in the harsh natural environment for long time,the flashover are easily occurs due to the aspects of surface pollution,icing,thunder,and etc.The frequent flashover accident is bad for the stable operation of transmission line which cause great losses of the national economy.In view of the transmission line insulator flashover phenomenon,the harm of flashover is analyzed;the design scheme of non-contact measure sensor for flashover discharging current basis on Rogowski coil is proposed.The hardware design scheme and software process of the control circuit of transmission line insulator flashover pre-warning system are introduced,the which is based on STM32 series and use 32-bit ARM microcontroller as the core,and the of module hardware linked network diagram and software flow chart are given.The implementation of the system can accurately locate flashover insulator and alarm in time,which provide favorable conditions for line maintenance,provide reliable protection for transmission line safe operation.