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Check method and system of SF6 gas catabolite detecting instrument

A detection instrument and gas decomposition technology, which is applied in the calibration method and system field of SF6 gas decomposition product detection instruments, can solve the problems affecting the on-site detection of gas decomposition products, difficult comparison and calibration, and hindering the state maintenance process of switchgear, etc.

Active Publication Date: 2015-04-22
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology

Due to the lack of a unified detection platform, it is difficult to detect the existing SF 6 Comparison and calibration of gas decomposition product detection instruments will seriously affect SF 6 On-site detection of gas decomposition products hinders the condition-based maintenance process of switchgear

Method used

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  • Check method and system of SF6 gas catabolite detecting instrument
  • Check method and system of SF6 gas catabolite detecting instrument
  • Check method and system of SF6 gas catabolite detecting instrument

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Embodiment Construction

[0025] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention.

[0026] In the existing technology, due to the lack of a unified detection platform, it is difficult to detect the existing SF 6 The gas decomposition product detection instrument is compared and calibrated, which seriously affects the SF 6 On-site detection of gas decomposition products hinders the condition-based maintenance process of switchgear. For this reason, there is an urgent need for SF 6 Research on the calibration method of gas decomposition product detection equipment to ensure the reliability and validity of the detection results, so as to guide and carry out the SF of switchgear 6 Detection of gas...

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Abstract

The invention discloses a check method and a system of an SF6 gas catabolite detecting instrument, wherein the method comprises the following steps of measuring concentration of gas standard substances using SF6 as a diluent gas by using the SF6 gas catabolite detecting instrument; computing multiple performance indexes of the detecting instrument according to the measured concentration; comparing the computed multiple performance indexes of the detecting instrument with the performance indexes of instruments, required by detecting procedures; if all the computed multiple performance indexes of the detecting instrument are in accordance with the performance indexes of instruments, required by detecting procedures, determining that the detecting instrument can be used for on-site detection; otherwise, determining that the detecting instrument cannot be used for on-site detection. The invention can effectively check each performance index of the SF6 gas catabolite detecting instrument, can really reflect actual operation condition of SF6 opening and closing equipment, and provides basis and guidance for evaluation and overhaul of equipment states.

Description

technical field [0001] The present invention relates to SF in switchgear 6 Detection of gaseous decomposition products, more specifically, a SF 6 A calibration method and system for a gas decomposition product detection instrument. Background technique [0002] Sulfur hexafluoride (SF 6 ) gas has excellent insulation and arc extinguishing properties, and is widely used in Gas Insulation Switchgear (GIS) and SF 6 In switchgear such as gas insulated circuit breakers. my country's transmission network (voltage level ≥ 110kV) mainly uses SF 6 Gas-insulated switchgear, with the construction of the UHV power grid of the State Grid Corporation of China, the switchgear of the UHV AC test demonstration project adopts SF 6 Gas-insulated metal-enclosed GIS or a new type of high-voltage switchgear (Hybrid GIS, HGIS) between GIS and AIS, and the demand for equipment is increasing year by year. SF 6 Switchgear plays a vital role in the transmission network, and the operating status...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
Inventor 颜湘莲季严松王承玉杨韧胡树国
Owner CHINA ELECTRIC POWER RES INST
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