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电力设备存在缺陷或故障而致使设备温度升高,如是设备长时间高温运行,那么设备的强度、稳定性、导电性和绝缘性能都将受到极大的影响。掌握设备的发热规律及其表面温度场的分布及温升状况,并以此为依据结合设备结构及传导热能的途径,进一步分析各种设备缺陷及故障状态,就能较好地对设备缺陷及故障进行诊断。随着科技的发展,红外诊断法在电力设备缺陷及故障的诊断上具有其他测温技术所不能比拟的优越性。 到目前为止,在电力生产现场运用中,电力设备采用红外诊断缺陷及故障的方法基本上有下列五种方法:
Power equipment defects or failure caused the temperature of the equipment, such as the equipment running at high temperature for a long time, then the equipment strength, stability, electrical conductivity and insulation properties will be greatly affected. Grasping the rule of heating of equipment and the distribution of its surface temperature field and temperature rise conditions, and based on this, combined with the structure of equipment and the way of conducting thermal energy, further analysis of various equipment defects and fault conditions can better deal with equipment defects and Fault diagnosis. With the development of science and technology, infrared diagnostic method has the superiority that other temperature measurement techniques can not compare with the diagnosis of electrical equipment defects and faults. So far, in the field of electric power production, there are basically the following five ways to use infrared to diagnose defects and faults in electric equipment: