摘要
在线监测设备在电网的安全可靠运行中发挥着越来越重要的作用,为方便高效地给在线监测设备供能,利用了输电线路的磁感应效应从地线收集能量。通过多个算例说明,该取能方法基本可以满足在线监测设备的用能需求,同时线路电流、档距、杆塔接地电阻和导地线位置关系等因素也可能影响取能效率。本文针对地线磁感应取能方案作了深入探讨,为后续优化地线取能方案以投入实用奠定了基础。
On-line monitoring plays a more and more important role in maintaining the safe and reliable operation of power grid. In order to supply power to on-line monitoring equipment in a convenient and efficient way, this paper presents a power tapping method to collect power from ground wires using the magnetic induction effect of transmission lines. Cases show that this power tapping method can satisfy the power demand of on-line monitoring equipment. Also, factors such as line current, length of span, grounding resistance and spatial position relationship between transmission lines and ground wires may affect the power tapping efficiency. This paper discusses on the groundwire magnetic induction power tapping scheme, which lays the foundation for further optimization and practical use of power tapping from the ground wire.
作者
邹军
马晨珞
ZOU Jun;MA Chenluo(State Key Lab of Control and Simulation of Power Systems and Generation Equipment,Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)
出处
《南方电网技术》
CSCD
北大核心
2021年第10期95-101,共7页
Southern Power System Technology
基金
国家自然科学基金项目(52077111)。
关键词
输电线路
地线取能
磁感应
在线监测
transmission line
power tapping from ground wires
magnetic induction
on-line monitoring
