架空输电线路地线感应取电设计

Design of Ground Wire Induction for Overhead Transmission Lines

针对架空地线因感应电而产生的损耗,设计了一种取电方式,来形成稳定的电源电压,供储能电池储电及在线监测、检修照明等装置直接使用。研究了架空地线的感应电原理,分析了架空地线感应取电的具体方式,对普通架空地线、OPGW光缆分别采用PT型取电方式和CT型取电方式。通过对感应取电电源装置现场运行的实验结果和误差分析,证明了该方案在实际运用中的稳定性、可靠性和有效性。

In view of the overhead ground wire loss caused by induction,this paper designed a kind of reasonable electricity extraction mode to form a stable power supply voltage,which could be available for the energy storage battery,on-line monitoring and inspection lighting etc devices.This paper studied on the induction principle of overhead ground wire,analyzed the specific method of the overhead ground wire induction.PT and CT modes were adopted for the common overhead ground wire.Via the experimental result and error analysis of induction electricity extraction power supply device,it is proved that this scheme is stable,reliable and effective in practical use.