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    • 12. 发明申请
    • DIAGNOSING METHOD FOR OIL-FILLED ELECTRICAL EQUIPMENT
    • 油封电气设备的诊断方法
    • US20140363893A1
    • 2014-12-11
    • US14241336
    • 2011-11-28
    • Ryuichi NishiuraFukutaro KatoEiichi Nagao
    • Ryuichi NishiuraFukutaro KatoEiichi Nagao
    • G01N33/28
    • G01N33/2835G01N33/287H01F27/402H01F2027/404
    • The present invention is a diagnosing method for oil-filled electrical equipment for diagnosing a degree of risk with regard to occurrence of abnormality due to copper sulfide generation in oil-filled electrical equipment, and the method includes a first step of detecting specific compounds contained in insulating oil in said oil-filled electrical equipment, a second step of evaluating a possibility of copper sulfide generation at a dangerous part leading to dielectric breakdown in said oil-filled electrical equipment in accordance with a detection result obtained in said first step, and a third step of diagnosing a degree of risk with regard to occurrence of abnormality in said oil-filled electrical equipment in accordance with an evaluation result obtained in said second step. Said specific compounds include dibenzyldisulfide and 2,6-di-t-butyl-p-cresol.
    • 本发明是一种充油电气设备的诊断方法,用于诊断由充油电气设备中的硫化铜产生引起的异常发生的风险程度,该方法包括:检测包含在 所述充油电气设备中的绝缘油,第二步,根据所述第一步骤中获得的检测结果,评估在所述充油电气设备中导致介电击穿的危险部分产生硫化铜的可能性,以及 根据在所述第二步骤中获得的评估结果,诊断所述充满油的电气设备中发生异常的风险程度的第三步骤。 所述具体化合物包括二苄基二硫化物和2,6-二叔丁基对甲酚。