www.umek.proAs new higher-voltage products, Polymer pin type insulator with a lot of electrical performance advantages. Research have shown that surface discharges on the surface of insulators emit UV radiation 6 Ultraviolet radiation can be detected from many sources, such as sunlight, electric discharge, and unique light (e.g., mercury-vapor lamps, back light) 7 These UV radiations have various wavelengths.
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The 1st glass insulators utilised in large quantities had an unthreaded pinhole. The goods of JSC «U.M.E.K.» are most competitive in the glass insulators' world industry. Viewing this phenomenon the materials used for electrical insulator, has to posses some particular properties.
Utility patent number 48,906 was granted to Louis A. Cauvet on 25 July 1865 for a process to make insulators with a threaded pinhole: pin-type insulators nonetheless have threaded pinholes. When corona discharge happens, the air in a region about a high-voltage conductor can break down and ionise without a catastrophic increase in present.
High temperature vulcanized (HTV) silicone rubber, ethylene propylene rubber (EPR), cycloaliphatic epoxy, and EVA are amongst the materials established suitable for outdoor use, with the 1st two varieties dominating for transmission voltages.