A special interface for sf6 inflatable equipment live test micro water

Abstract

The invention discloses an electrified test micro water interface special for SF6 inflating equipment. The electrified test micro water interface is characterized by comprising a sealing screw cap (1), wherein a gas release valve (4) is arranged at the front end of the sealing screw cap (1); the interior of the sealing screw cap (1) is in threaded connection with a thimble connecting rod (6); a test interface thimble (3) is arranged in the thimble connecting rod (6) which is in threaded connection with an interface filtering device (2); and a quick connector (5) is arranged on the quick interface filtering device (2). The electrified test micro water interface disclosed by the invention can be measured in an electrified manner, can be used for finding the gas leakage condition at any timeand playing a well role of better protection as well as has the advantages of accuracy in data test, simpleness and convenience in operation, wide application range, high safety performance and favorable sealing effect.

Description

Technical field: [0001] The invention relates to a special micro-water interface for live testing of SF6 inflatable equipment, which is widely used in inflatable (SF6 gas insulated) equipment and belongs to the technical field of electric system insulation supervision. Background technique: [0002] Because SF6 has the advantages of good chemical stability and thermal stability, the gas has been widely used in various electrical equipment such as GIS combined electrical appliances, switches, transformers, etc. in the power system, and the gas-filled (SF6) equipment has been continuously increasing. In field operations, the trace moisture test cycle of inflatable (SF6) equipment is shorter than the maintenance cycle of the equipment, and the trace moisture test of inflatable equipment can only be carried out when the equipment is powered off in combination with major repairs, minor repairs or temporary repairs. Affected by environmental factors (such as rain and snow) will no...

AI Technical Summary

Problems solved by technology

[0002] Because SF6 has the advantages of good chemical stability and thermal stability, the gas has been widely used in various electrical equipment such as GIS combined electrical appliances, switches, and transformers in the power system, and the gas-filled (SF6) equipment has been continuously increasing. In field operations, the trace moisture test cycle of inflatable (SF6) equipment is shorter than the maintenance cycle of the equipment, and the trace moisture test of inflatable equipment can only be carried out when the equipment is powered off in combination with major repairs, minor repairs or temporary repairs. Affected by environmental factors (such as rain and snow) will not be tested. This test method will inevitably cause a large number of equipment to exceed the test cycle and not be pre-tested.

In the environment where the substation equipment realizes continuous, safe and reliable power supply, it is obviously not in line with the development trend of the power grid to simply apply for a test for the trace moisture of the inflatable (SF6) equipment and to apply for a power outage of the equipment in the test interval.

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