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논문 기본 정보

자료유형
학술저널
저자정보
승오탁 (Chungbu University)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제70권 제9호
발행연도
2021.9
수록면
1,312 - 1,320 (9page)
DOI
10.5370/KIEE.2021.70.9.1312

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초록· 키워드

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Epoxy-based microcomposites are currently used in a variety of high-voltage-based heavy electric machines (CT/PT, mold transformers, distribution insulators, etc.). Samples were prepared with three types of micro-silica-filled composites (W12est_65wt%, M10_65wt%) and epoxy prototype samples based on epoxy resin. The moisture absorption and drying properties of the three samples were evaluated. The moisture absorption process was performed until the moisture absorption of the sample was saturated in distilled water at 95°C, and the drying process was performed in a drying oven at 105°C until the moisture was saturated without any change. In the evaluation, the relationship between water absorption (M) and dielectric properties was evaluated under the conditions of steady state, moisture absorption and dry conditions. And dielectric characteristics (dielectric constant, dielectric loss and electrical conductivity) were evaluated according to the frequency change at room temperature as an evaluation environment. A large amount of water absorption resulted in a large increase in dielectric constant, dielectric loss, and electrical conductivity. In addition, it was found that the dielectric properties were restored because the dry state was based on the physical bonding with the absorbed water.

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Abstract
1. 서론
2. 실험
3. 결과 및 검토고찰
4. 결론
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