The Transactions of the Korean Institute of Electrical Engineers C (대한전기학회논문지:전기물성ㆍ응용부문C)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Analysis of Properties Variation of Thermal Deteriorated 600V Grade Hest-Resistant Polyvinyl Chloride Insulated Wires

열열화된 600V 2종 비닐절연전선의 특성변화 분석

  • 최충석 (한국전기안전공사 전기안전시험연구원) ;
  • 이경섭 (동신대 공대 전기전자공학과) ;
  • 이덕출 (인하대 공대 전기공학과)
  • Published : 2000.01.01
Download PDF
⟨ Previous Next ⟩

Abstract

The properties variation by deterioration of the 600V grade heat-resistant polyvinyl chloride insulated wire(HIV) was analyzed. The weight variation of the thermal deteriorated HIV was about 42% at 80$0^{\circ}C$ and over. From the analysis result of the metallurgical microscope photographs it shows that the sorface of normal wire showed the elongated structures. However the elongated structures did not appear at $900^{\circ} and over and we could observe that particles were grown. The grown oxidized substances in the thermally deteriorated electric wire were observed by SEM. The CuL, CuK, $CuK_b$, OK and CIK spectra of the thermally deteriorated HIV at $300^{\circ}C$ were uniform regardless of the scanning length, but the spectra of CIK could not found at above $700^{\circ}. At the DTA analysis, the endothermic reactions were occurred around $3006{\circ}C\; and\; 400^{\circ}C$ and the exothermic reactions were occurred around $470^{\circ}, respectively.

Keywords

References

  1. 허만엽, 황병표, '전기재해통계분석,' pp. 7-16, 한국전기안전공사 전기안전시험연구원, 1997
  2. David R. Lide, 'Handbook of Chemistry and Physics,' CRC Press, pp. 3-464, 3-633, 5-30, 1997
  3. 三橋 信雄, 橫井 良秀, 長田 正義, 伊坂 勝生, '絶緣被覆電線の劣化履歷と火災危險について,' 火災, vol. 31, no. 1, pp. 11-19, 1981
  4. 石橋 良男, 岸田 順次, '電線の一次, 二次熔融痕鑑定 方法に關する硏究(その1),(その2),' 日本火災學會硏究發表會槪要集, pp. 83-90, 1990
  5. NITE, 'An Examination about Molten Mark for Copper Electric Wire Fused by Over Current,' Jpn. Asso. for Fire Sci. and Eng., 232, vol. 48, no. 1, pp. 34-37, 1998
  6. 岡本 勝弘, 渡邊 憲道, 萩本 安昭, '電源接續箇所の接觸抵抗の變化によるプラグ絶緣材料の熱劣化,' 日本火災學會硏究發表會槪要集, pp. 178-181, 1998
  7. Bruce V. Ettling, 'Electrical Wiring in Building Fires,' Fire Technology, vol. 14, no. 4, pp. 317-325, 1978 https://doi.org/10.1007/BF01998391
  8. D. W. Levinson, 'Copper Metallurgy as a Diagnostic Tool for Analysis of the Origin of Building Fires,' Fire Technology, vol. 19, no. 1, pp. 211-222, 1983 https://doi.org/10.1007/BF02303416
  9. KS C 3004, 3303, 3328, '한국산업규격,' 1992
  10. 崔忠錫, 李德出, '$YBa_{2}CuO_{3}O_{7-x}$ 플라즈마 프름의 발광분광 분석,' vol. 44, no. 9, pp. 1182-11876, 1995
  11. P. J. Flory, 'Statistical Thermodynamics of Rodlike Particles, 6. Rods Connected by Flexible Joints,' Macromolecules, vol. 11, pp. 1141-1144, 1978 https://doi.org/10.1021/ma60066a016
  12. W. Wrasidlo, 'Transitions and Relaxations in Aromatic Polymers,' J. Polymer Sci., vol. A-2, no. 9, pp. 1603-1627, 1971 https://doi.org/10.1002/pol.1971.160090905