A method for on-line monitoring the temperature rise of the isolating switch contacts inside the gis tank
A technology of isolating switches and contacts, applied in the field of monitoring, can solve problems such as temperature rise of isolating switch contacts, temperature detection of non-conductive parts, inaccuracy, etc., and achieve the effect of improving measurement accuracy
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[0047] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0048] Such as figure 1 , the present invention provides a kind of method for on-line monitoring the contact temperature rise of the isolating switch inside the GIS tank body, comprising the following steps:
[0049] Step 1: Determine the emissivity of the isolating switch contacts inside the GIS tank;
[0050] Step 2: monitoring the radiation power of the isolating switch contacts, and calculating the absolute temperature of the isolating switch contacts;
[0051] Step 3: Correct the absolute temperature of the isolation switch contacts.
[0052] The emissivity of the isolating switch contact is the physical quantity of the isolating switch contact relative to the radiation ability of the black body. It is not only related to the material shape, surface roughness, unevenness, etc. of the object, but also related to the direction of the test. If the isolatin...
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