输电线路在线监测设备供电电源应用分析

Application Research of the Power Supply for Transmission Line On-line Monitoring Devices

随着输电线路在线监测设备自身功耗的增加,在线监测供电可靠性已成为制约设备稳定运行的关键因素。针对输电线路在线监测设备的供电电源问题,文中首先对传统太阳能电池板功率和蓄电池容量估算方法进行了分析;随后分别对装置功耗剧增、太阳能电池板积灰、蓄电池低温性能、杆塔安装限制等电源选配影响因素进行了探讨,分析了在线监测电源配置的改进方法,最后给出了两种典型在线监测设备供电电源的设计实例,可为输电线路在线监测装置电源模块的设计提供重要参考。

With the increasing power consumption of on-line monitoring equipments on transmission lines, the power supply of the on-line monitoring is becoming more and more important. The power supply is the key factor to restrict the stable operation of the on-line monitoring equipments. In this paper, the traditional solar panels and battery calculation methods are analyzed. And then, some influential factors are respectively introduced, such as power consumption surge, solar panels dust, battery temperature characteristics, tower installation limits. Finally, this paper analyzes the improved method of on-line monitoring power supply, and puts forward the power supply design scheme of two typical on-line monitoring equipments. This research may provide some useful reference for the power supply design of on-line monitoring equipments.