用于输电线路电晕放电检测的Hilbert分形天线设计

Design of Hilbert Fractal Antenna for Corona Discharge Detection of Transmission Lines

输电线路电晕放电是电力系统中的一种常见现象。若输电线路出现长时间连续的电晕放电,会造成严重的电网事故,因此有效地检测电晕放电并定位发生位置具有重要意义。Hilbert分形天线是一种宽频带小型天线,可探测到电晕放电产生的电磁波信号。针对5阶Hilbert分形天线的不同馈电方式,设计了一种5阶Hilbert分形天线。该天线是一种小型化天线,能实现电晕放电检测。

Corona discharge of transmission line is a common phenomenon in power system.If there is a long-time continuous corona discharge on the transmission line,it will cause serious power grid accidents.Therefore,it is of great significance to effectively detect the corona discharge and locate the location of the corona discharge.Hilbert fractal antenna is a kind of small broadband antenna,through which the electromagnetic wave signal generated by corona discharge can be detected.In this paper,a kind of 5th order Hilbert fractal antenna is designed according to the different feeding modes of 5th order Hilbert fractal antenna.The antenna is a miniaturized antenna,which can realize corona discharge detection.