基于电容传感器的架空输电线覆冰厚度检测方法

Icing Thickness Measuring Method with a Capacitance Sensor for Overhead Power Transmission Lines

提出了一种新的架空输电线覆冰厚度检测方法,并设计了覆冰检测电容传感器。基于电容传感器给出一种输电线路覆冰厚度监测系统的设计方案。利用电容效应计算出传感器电容值与架空线覆冰厚度的关系曲线。实际应用时,通过比较传感器测量到的电容值与预设关系曲线得出架空输电线覆冰厚度。测试结果验证了电容式架空输电线覆冰厚度检测方法的有效性。

A novel icing thickness monitoring method for overhead power transmission line is proposed and an icing monitoring capacitance sensor is designed.A design scheme of power transmission line icing thickness monitoring system with a capacitance sensor is presented.The relationship curve between capacitance value of the sensor and ice thickness of transmission lines is calculated based on capacitive effect.Then in practical applications,the icing thickness is obtained by comparison between the capacitance values and the preset relationship curves.The effectiveness of the proposed icing thickness monitoring method is verified by testing results.