| 摘要 |
PROBLEM TO BE SOLVED: To provide a conductive glazed suspension insulator without fear of heat runup nor generation of fouling corona, even if it is used for a power line or the like along a coastline of intense staining. SOLUTION: Of the conductive glazed suspension insulator with a semiconductive glaze on the surface, a direct current resistance value of its insulator single body is 150 MΩto 900 MΩ. With this, heat runup as well as generation of the fouling corona is prevented when an insulation string is stained. Further, it is desirable if corrosion-resistant aluminum alloy plating is applied on a cap metal fitting 3 to improve corrosion resistance to natural corrosion as well as to prevent corrosion due to a direct current component in leak current flowing on the surface of the insulators, and a pin metal fitting 5 is made provided with a zinc sleeve 7 to improve corrosion resistance to natural corrosion as well as to prevent corrosion of a cement boundary part due to leak current flowing on the surface of the insulators. COPYRIGHT: (C)2005,JPO&NCIPI
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