The reliable operation of electrical equipment has a huge impact on power system security, with expansion of the power grid and power production system reform, it is imperative to implement condition-based maintenance of electrical equipment in China, and carrying out condition-based maintenance is the development trend of power grid. This paper introduces the basic concept of condition based maintenance and analyzes development and application of condition-based maintenance technology of power transformer, which has some engineering significance.%电力设备的可靠运行对电力系统的安全性影响巨大,随着电网规模的扩大和电力生产体制的改革,在我国推行电力设备状态检修势在必行,同时开展状态检修也是电网发展的趋势.文章介绍了状态检修的基本概念,分析了电力变压器状态检修技术的发展和应用现状,具有一定的工程指导意义.
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