10 kV配网站室自动化终端备用电源充电方案研究

Research on Charging Scheme for Standby Power of Digital Terminal Unit in 10 kV Distribution Network

介绍了便携式DTU(Digital Terminal Unit)电源充电装置工作原理,优化了其系统硬件结构和控制算法。该装置安全可靠,能够适应各类复杂环境,保护功能齐全,控制算法简洁实用。当DTU交流电源失电时,该装置能够快速接入DTU电源模块输入侧,保证DTU调试工作顺利进行。

The operating principle of portable charging device for digital terminal unit is introduced,and the hardware structure and the control algorithm are optimized.The device is safe and reliable,which can adapt to various kinds of complex environment.The protection function of it is complete,and the control algorithm of it is simple and practical.When the AC electricity supply to the DTU is interrupted,the device can be connected quickly to the input side of DTU power module to ensure the smooth debugging of DTU.