高压输电线路在线监测装置供能电源的研制

摘要

In order to solve the problem of power supply for online monitoring devices of high voltage power transmission lines,a kind of new method for power supply is developed,which could provide stabile 3.4 V direct current electric energy for load and effectively solve the problem of power supply for electronic equipments of high voltage lines by using current transformer coils to acquire electric energy on power transmission lines and using control circuits to control on-off of the rear-end energy storage circuit. Testing on the power supply based on this design indicates that this method could provide safe and stable electric energy within the range of 50~1 000 A conductor current. Meanwhile,it also designs measures for improving reliability of power supply which could realize self protection at the time of lightening stroke or short-circuit faults.%为解决高压输电线路在线监测装置的供电问题，研制了一种新的电源供电方法：通过电流互感器线圈从输电输路上获取电能，采用控制电路控制后端储能电路的通断，为负载提供稳定的3.4 V 直流电能，有效地解决了高压线路的电子设备的电源问题。基于此设计研制的电源经测试表明，该方法能在导线电流50~1000 A 范围提供安全稳定的电能，电源还设计了提高电源可靠性的措施，在线路遭受雷击或短路时可实现自我保护。