the compound insulator prevents flashover through a multi-layer umbrella skirt design. The core is to physically extend the leakage path, reduce the moisture-exposed area of the key area, and use structural division to prevent the continuity of the wet and dirty layer. This design can significantly enhance the electrical insulation strength of insulators in damp and polluted environments, effectively suppress the occurrence of pollution flashover accidents, and ensure the safe operation of the power grid.
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