Zusammenfassung

Even though silicone rubber insulators have excellent antipollution characteristics, some utilities conduct high water pressure washing of polymer insulators in transmission lines We conducted high water pressure washing tests of silicone rubber insulators in order to investigate the influence of various washing conditions on the degree of damage of weathersheds Although damage degree of silicone rubber insulators by high water pressure washing is influenced by water pressure, washing duration and distance between the nozzle and the insulator, fixing tension of the specimen insulator and the incident angle of jet water stream to the axis of the specimen insulator also affect the damage of weathersheds Attention should be paid to the washing conditions in order to prevent the damage to the weathersheds

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