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The occurrence of large-scale haze–fog weather in some developing countries brings a new threat to the safe operation of outdoor insulation. In order to study the effect of the haze–fog on the flashover performance of insulators and the flashover mechanism, kieselguhr, calcium sulphate (CaSO4) and ammonium sulphate ((NH4)2SO4) in different particle sizes were mixed with ultrasonic fog to simulate...
With the development of EHV and UHV transmission technology, more and more transmission lines are built across high altitude regions in China. The pollution flashover performances in high altitude regions are affected not only by the pollutants but also by the atmospheric parameters. To study the performance of insulators at high altitudes, six commonly used porcelain, glass and polymer insulators...
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