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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2006.1
- 수록면
- 40 - 45 (6page)
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초록· 키워드
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Electrical insulation is one of the most important parts in a high voltage apparatus. Traditionally mineral oils and synthetic esters have been widely used as dielectric coolants for power transformers. Recently, researchers are interested in the environmentally friendly vegetable oil from the environmental viewpoint. This paper reports on the synthesis and characterization of soybean based ester oils. Two different types of soybean based transformer oils, named as methyl ester and isopropyl ester were synthesized. The synthesis of these esters was achieved by transesterification reactions between soybean oil and alcohol in the presence of catalyst. The GC and NMR spectroscopic analysis of the esters have been performed. It was observed that isopropyl ester has better thermal resistance than methyl ester by TGA. Also, two esters have a good breakdown voltage and electrical resistance.
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참고문헌 (16)
참고문헌 신청
/ 1962. / Insulating Materials for Design and Engineering Practice
/ 1983. / Winter rape oil fuel for diesel engines 60 : 1579 ~
/ 1984. / Variables affecting the yields of fatty esters from transesterification vegetable oils 61 : 1638 ~
/ 1986. / Transesterification kinetics of soybean oil 63 : 1375 ~
/ 1988. / Minimizing the hazards of trans- former fires : 73 ~
/ 1983. / Winter rape oil fuel for diesel engines 60 : 1579 ~
/ 1984. / Variables affecting the yields of fatty esters from transesterification vegetable oils 61 : 1638 ~
/ 1986. / Transesterification kinetics of soybean oil 63 : 1375 ~
/ 1988. / Minimizing the hazards of trans- former fires : 73 ~
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