Shackle Insulator Appearance Deterioration Inspection Method
2022-12-26
Shackle Insulator’s appearance degradation inspection methods mainly include ground or climbing tower appearance inspection, and ground aging inspection.
Shackle Insulator’s appearance degradation inspection methods mainly include ground or climbing tower appearance inspection, and ground aging inspection. Generally, points should be selected for tower climbing inspection every 2 to 3 years. For important contact lines and heavy-duty lines, the inspection cycle should be shortened.
The Shackle Insulator can be inspected by using a telescope on the ground or climbing a pole tower. The main contents include: whether the partial discharge on the surface of the insulator and whether the hydrophobic performance is weakened or disappeared under weather conditions such as rain, fog, dew, and snow; Check whether the surface of the cover is corroded, traced, dendritic discharge or arc burn marks; whether the sheds are hardened, embrittled, pulverized, cracked, damaged, etc.; There are phenomena such as degumming; whether there is obvious slippage at the connection part of the end fittings, and whether the seal is damaged; whether there is corrosion of steel feet, bending of steel feet, arc burns, and lack of locking pins; whether the surface of the umbrella skirt and sheath after flashover Burned by the arc; whether the pressure equalizing device is complete and the installation position is correct.
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