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지승욱,이광식,이동인,박원주,이춘하,김하호 嶺南大學校 工業技術硏究所 1997 工業技術硏究所論文集 Vol.25 No.1
Ignitability of explosive gas mixture by spark of dry cell in case of short circuit by accident was studied for the purpose of evaluation of intrinsically safe characteristics of dry cell that manufactured in Korea. IEC type spark test apparatus, 21±2[vol%] of hydrogen-air mixture, and dry cell that produced in Korea was used for the experiment. The result of this research could be used for design, manufacturing and using the intrinsically safe electrical apparatus.