输电线路在线监测设备供能技术研究综述  

Overview of Energy Supply Technology for Online Monitoring Equipment of Transmission Lines

作　　者：赵东生 周原 范亚洲 赵兵 ZHAO Dongsheng;ZHOU Yuan;FAN Yazhou;ZHAO Bing(Electric Power Research Institute of Guangdong Power Grid Co.,Ltd.,Guangzhou,Guangdong 510080,China)

机构地区：[1]广东电网有限责任公司电力科学研究院,广东广州510080

出　　处：《广东电力》2024年第7期107-117,共11页Guangdong Electric Power

基　　金：广东电网有限责任公司科技项目(GDKJXM20220853)。

摘　　要：随着数字电网的发展,海量的智能监测设备将安装在输电线路上,稳定、可靠的能源供给是输电线路在线监测设备有效运行的关键。为此,对输电线路在线监测设备不同供能方式的基本结构、工作原理和优缺点进行综述,阐述不同供能方式国内外最新研究进展。分析目前不同供能方式面临的难点和突破口,提出多组供能组合方式,利用不同供能方式的优势互补性,可增强供电的稳定性和可靠性;地线电流感应与蓄电池取能组合安全可靠,易于安装,既可避免能源浪费,又可提高电力系统的效率和可靠性;微波供能与蓄电池的组合采用时分多址系统,不受电网影响,可为在线监测装置实时稳定供电。With the development of digital power grids,a massive amount of intelligent monitoring equipment will be installed on transmission lines.Stable and reliable energy supply is the key to the effective operation of online monitoring equipment for transmission lines.This paper summarizes the basic structure,working principle,advantages and disadvantages of different energy supply methods for online monitoring equipment of transmission lines,and elaborates on the latest research progress of different energy supply methods at home and abroad.It also analyzes the difficulties and breakthroughs faced by different energy supply methods at present.Then it proposes multiple sets of combined power supply methods,and utilizes the complementary advantages of different energy supply methods to enhance the stability and reliability of power supply.The combination of ground wire energy extraction and battery is safe,reliable,and easy to install,which not only avoids energy waste but also improves the efficiency and reliability of the power system.The combination of microwave power supply and battery adopts TMDA system,which is not affected by the power grid and can provide real-time stable power supply for online monitoring devices.

关 键 词：输电线路 在线监测 电流互感器取电 电容式电压互感器取电 地线取能 激光供能 微波供能 

分 类 号：TM910.6[电气工程—电力电子与电力传动]