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1 引言 铁路电力部门如何由计划修过渡到当今世界普遍认同的预知性状态修，是摆在设备检修工作人员面前的一大课题。预知性状态修的技术关键是如何判断电力设备的状态，而红外线技术及红外线诊断技术的形成和发展，为电力设备实现状态修提供了设备状态判据。2 红外线诊断技术
1 INTRODUCTION How the railway power sector is going to make a transition from planning to a pre-existing state of the art generally accepted in the world today is a major issue facing the equipment maintenance staff. The key to the technology of predictive state repair is how to judge the status of power equipment. The formation and development of infrared technology and infrared diagnostic technology provide the equipment state criterion for the realization of power equipment repair. 2 infrared diagnostic technology