Research and analysis of infrared imaging technology in thermal fault of zinc oxide arrester

Zinc oxide arrester is the important equipment that can protect the substation equipment to avoid suffering overvoltage shock. It can absorb all kinds of lighting over voltages, power frequency temporary overvoltage and switching overvoltage. Accordingly, live detection of zinc oxide arrester is very important starting with the principle of infrared imaging is analyzed, and the importance and effectiveness of the infrared imaging technology in finding the damp defect in zinc oxide arrester are introduced. The infrared diagnostic skills and precautionary measures for surge arrester fault are put forward.


(from magazine Electrotechnical Application 6/2019 on theoretical analysis.)


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