配电线路监测装置感应取能电源设计

Design of Induction Power Supply for Monitoring Device of Distribution Line

针对高压线路在线监测装置供电需求,设计了一种感应取能电源。分析感应取能的基本工作原理,设计了取能互感器到稳压输出的装置总体结构设计。通过基于高导磁的取能互感器设计,保证小电流下装置能够供电;设计泄放回路保证大电流下装置安全工作,采用超级电容作为储能单元,可满足无线发射冲击性负荷供电要求。实践表明:设计的稳压电源安装方便,可靠性高,适用于很多高压在线监测装置应用。

According to the power supply demand of on-line monitoring device for high-voltage transmission line,an induction power supply is designed.Based on the analysis of the basic working principle of the inductive energy extraction,the overall structure design of the device from the energy extraction transformer to the voltage stabilizing output is designed.Based on the design of the energy-collecting transformer with high magnetic conductivity,the power supply of the device can be ensured under low current,and the discharge circuit is designed to ensure the safe operation of the device under high current,and the super capacitor is used as the energy storage unit,the utility model can meet the power supply requirement of wireless launching impact load.The stable voltage power supply designed is convenient to install and has high reliability,and is suitable for many high voltage on-line monitoring devices.