| 摘要 |
PROBLEM TO BE SOLVED: To replace an electric apparatus and to repair a terminal portion during scheduled inspection by providing a method for preventing leakage of oil to the terminal portion quickly and easily without interrupting conduction of electricity to the electric apparatus thereby preventing oil leakage temporarily. SOLUTION: In the method for preventing leakage of insulation oil at the terminal portion of a power apparatus, the terminal portion of the power apparatus is sealed by filling the terminal box 81 of the power apparatus internally filled with insulation oil with transparent and electrically insulating curing resin 86, and the terminal portion of the power apparatus is sealed by enclosing the terminal box 81 by a transparent plastic plate 82'. Preferably, the curing resin 86 is a polyurethane based resin curing in semisolid state. COPYRIGHT: (C)2007,JPO&INPIT
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