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Detection Technology of the Decomposed Product of SF6 Gas Which under the Arc Action

Author: LiShaoZhi
Tutor: FengKeCheng
School: Changchun University of Science and Technology
Course: Physical Electronics
Keywords: SF6 Decomposition products Detection technology Arc discharge
CLC: TM83
Type: Master's thesis
Year: 2008
Downloads: 162
Quote: 0
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Abstract


With SF 6 Electrical equipment applications has been increasing SF 6 gas quality supervision and increasingly important. But SF 6 Electrical Equipment gas unavoidable impurities , in the arc under the action of these impurities easily with SF 6 gas decomposition reaction of toxic substances, and thus corrosion electrical equipment , reduce equipment insulation . If the impurity content exceeded, will seriously affect the electrical properties, mechanical properties and breaking performance , it will cause many serious consequences. This paper discusses the detection of SF 6 Electrical Equipment SF 6 gas decomposition significance analysis of the domestic and international aspects of the study of the current situation , which made for SF 6 gas detection system decomposition of the overall design. Analysis of the SF 6 gas decomposition products of the basic situation , by comparing the current measuring SF 6 gas decomposition products of several principles , according to their own characteristics, choose a suitable present system measuring principle . To obtain a more complete decomposition products designed SF 6 high voltage electrical discharge simulation apparatus , and the effect of affecting the discharge parameters such as electrode shape, the gap width , the gas pressure were analyzed . Finally, gas chromatography - mass spectrometry samples collected on-site SF 6 gas detection analysis .

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CLC: > Industrial Technology > Electrotechnical > High Voltage Engineering > High voltage test equipment and measurement techniques
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