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利用同面多点电容感应技术,设计了一种实时测量输电线路覆冰厚度的传感器.传感器基于电容感应技术,通过测量模拟输电导线周围不同位置金属电极的电容值变化,并对电容值进行分析与计算,得出模拟导线上的覆冰厚度.通过对同面多个金属导线电极电场、电容的理论分析、仿真,以及低温下对系统的冰冻试验,验证了传感器在监测输电线路覆冰厚度的可行性.
Using the same-surface multi-point capacitive sensing technology, a sensor for real-time measurement of icing thickness of transmission lines was designed.The sensor measures the capacitance of metal electrodes at different positions around analogue transmission lines based on the capacitance sensing technology and analyzes the capacitance values And calculated the thickness of the icing on the simulated conductor.The theoretical analysis and simulation of the electric field and capacitance of the same metal conductor on the same surface and the freezing test of the system at low temperature were carried out to verify the effect of the sensor in monitoring the icing thickness of the transmission line Feasibility.