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介绍红外成像诊断技术的原理,电流致热型设备的故障特点以及故障的判断方法、测温注意事项,并通过红外测温发现#2并联电抗器中性点管形母线连接处发热和500kV第五串联络开关1M侧50521刀闸A相动静触头连接处发热的实例,分析红外测温诊断技术在变电站电流致热型设备故障检测方面所发挥的作用,并提出技术改进展望。
Introduce the principle of the infrared imaging diagnosis technology, the characteristics of the fault of the current heating equipment and the judgment method of the fault, the precautions of temperature measurement, and find out the heat of the connection of the neutral point tubular busbar of the # 2 shunt reactor through the infrared temperature measurement and the heat of 500kV Five series of contacts 1M 1M 50521 knife switch phase A static and dynamic contact connection at the instance of heating, analysis of infrared temperature measurement technology in the substation current heating equipment failure detection role played, and put forward the technical improvement prospects.