What are the application characteristics of infrared diagnostic technology for electrical equipment?
Answer: (1) Tangshan Power Supply Company actively promoted the application of infrared technology in 1978. By 1990, it had carried out considerable scale and achieved remarkable economic benefits. The infrared diagnosis skills are called scientific eyes, and the findings it finds are convincing. For example: In 1999 alone, Tangshan Power Supply Company used 204 pieces of urgent shortcomings in the detection and processing of infrared monitoring skills, many of which were touchover overheating of circuit breakers, barrier switches, cables, transformers, and other internal touches of SW2-35 switches. Poor head Touch, secondary circuit current terminal overheating, Xingcheng 220 kV No. 2 transformer casing oil shortage (treatment), 110 kV Liangjiadian transformer (acetylene content 4 × 10-6) infrared thermal image appeared side abnormalities.
(2) Infrared diagnosis skills have the characteristics of long distance, non-touch, no power, simple, sensitive, safe, and high input-output ratio.
(3) It can not only detect external tactile overheating of various types of devices, but also can effectively detect the shortcomings and insulation problems of the internal diversion circuit of the device.
Of course, for fully sealed electrical equipment, small cabinet switches, component insulators, line insulators, etc., it is still necessary to use infrared diagnostic skills to further monitor and accumulate experience.
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