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준평등전계중 Dry Air내 산소의 농도에 따른 절연파괴 및 연면방전 특성 연구open accessA Study on Characteristics of Insulation Breakdown and Surface Discharge by the Oxygen Concentration in the Dry Air in Quasi-Uniform Field
- Other Titles
- A Study on Characteristics of Insulation Breakdown and Surface Discharge by the Oxygen Concentration in the Dry Air in Quasi-Uniform Field
- Issue Date
- Nov-2015
- Publisher
- 한국조명.전기설비학회
- Keywords
- Gas Mixtures; Oxygen Concentration; Dielectric Breakdown Voltage; Flashover Voltage
- Citation
- 조명.전기설비학회논문지, v.29, no.11, pp.41 - 46
- Indexed
- KCI
- Journal Title
- 조명.전기설비학회논문지
- Volume
- 29
- Number
- 11
- Start Page
- 41
- End Page
- 46
- ISSN
- 1229-4691
- Abstract
- This study was conducted to discover a substitute of SF6 gas. SF6 gas is widely used across the industries. Thanks to superior electrical properties, in particular, it has been commonly used in electrical industry. However, there have been a lot of studies on its serious effect on global warming. As a substitute of this synthetic gas, a mixture of dry air and N2/O2 was chosen in this study. In case of N2/O2, dielectric strength differs depending on the mixing ratio. This study examined dielectric breakdown and flashover after adjusting oxygen percentage in the dry air. This test was conducted in a quasi-uniform electric field depending on pressure, oxygen concentration and gas mixtures. The test results found that dielectric voltage and flashover voltage were the highest at a certain oxygen concentration. It is the results of this photoionization and electron attachment of oxygen
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Collections - 서울 공과대학 > 서울 전기공학전공 > 1. Journal Articles
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Related Researcher
- Bae, Sung Woo
- COLLEGE OF ENGINEERING (MAJOR IN ELECTRICAL ENGINEERING)