Abstract:Composite insulators were extensively applied in outdoor insulation for the extraordinary performance of hydrophobicity and anti-aging property. Whereas HTV silicone rubber had low elastic modulus and the stiffness was not high enough to resist high speed wind. In northwest China there are many storm-wind areas where the designed wind velocity of transmission lines could reach to 42 m/s. The high speed wind induced sustained and intensive oscillation of insulator sheds and finally leaded to fracture failure at… Show more
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