CAJ | 학술논문

定期分析油中溶解气体组分的含量可以提前预测充油电气设备的内部故障，防止变压器损坏或者由于变压器损坏而导致电网事故的发生，为保证电网的安全运行起到积极的作用。文章综述了变压器等充油电气设备的故障类型及其产气特征、故障判断的方法及其严重程度的诊断。
정기분석유중용해기체조분적함량가이제전예측충유전기설비적내부고장，방지변압기손배혹자유우변압기손배이도치전망사고적발생，위보증전망적안전운행기도적겁적작용。문장종술료변압기등충유전기설비적고장류형급기산기특정、고장판단적방법급기엄중정도적진단。
The fault of the oil-filled electric equipment could be diagnosed by the regular analysis of dissolved gases in transformer oil, which can prevent the damage of transformer or the power grid accidents by the damage of transformer. It play a positive role in the safe operation of power grid. This article reviews the fault types of the oil-filled electric equipment and its gas production characteristics, the method of fault diagnosis and the judgement of the severity of the faults.