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Erosion of weathershed composite materials is one of the key failure modes in outdoor insulators and it can adversely impact on the reliability of power system networks. To enhance resistance against erosion and dry band arcing, inorganic particles are often added to base polymeric matrix. This paper investigates the erosion resistance of micron-AlN and hybrid micron-AlN + nano-silica filled silicone...
Thermal degradation due to dry band arcing in the discharge region causes tracking and erosion failure of composite insulators. This work investigates resistance against tracking and erosion of silicone rubber filled with micron sized aluminum nitride (AlN) and boron nitride (BN) particles. Their performances are evaluated by comparing the average tracking length, eroded mass and thermal distribution...
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