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Presence of water droplets over the insulator surface enhances the electric field intensity and leads to electrical breakdown. This is important for outdoor insulation because the combination of moisture and contamination causes flashover at operating voltage; hence affects reliability of power delivery. Electric field has been calculated on insulating surfaces for different patterns of wetting. Simulations...
Partial discharges and corona are generally considered as unwanted processes in power systems as they are constant source of power loss and electrical noise (EMI). These effects can further develop into a major problem at the component level, causing insulation deterioration and component failure leading to possible electrical breakdown. The availability of switching power supplies operating at higher...
Solid-insulated distribution equipment has several design advantages when considering benefits for environmental protection, maintenance-free operation, compact-design, light weight etc. In such equipment, interfaces between different solid insulating materials are generally inevitable. The interface, depending on the placement in the equipment, is not only subjected to high electric field stress...
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