| Download | - View final version: Impact of low molecular weight acids on oil impregnated paper insulation degradation (PDF, 6.0 MiB)
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| DOI | Resolve DOI: https://doi.org/10.3390/en11061465 |
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| Author | Search for: Kouassi, Kakou; Search for: Fofana, Issouf; Search for: Cissé, Ladji; Search for: Hadjadj, Yazid1; Search for: Yapi, Kouba; Search for: Diby, K. |
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| Affiliation | - National Research Council of Canada. Measurement Science and Standards
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| Format | Text, Article |
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| Subject | power transformer; oil-paper insulation; carboxylic acids; acetic acid; formic acid; levulinic acid; degree of polymerization |
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| Abstract | Aging of a power transformer’s insulation system produces carboxylic acids. These acids—acetic, formic and levulinic—are absorbed by the paper insulating material, thus accelerating the degradation of the whole insulation system. In this contribution, the effect of these acids on the aging of oil-impregnated paper insulation used in power transformer is reported. A laboratory aging experiment considering different concentrations of these three acids was performed to assess their effect on the insulation system’s degradation. Each acid was individually mixed with virgin oil, and a mixture of acids was also blended with oil. The paper’s degradation was assessed by the degree of polymerization (DPv). It was found that the DPv of paper aged with formic acid decreased much faster in comparison to the other acids. |
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| Publication date | 2018-06-06 |
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| Publisher | MDPI |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 23003712 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 4841b76b-d315-4d96-a04b-c101c6b7e52f |
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| Record created | 2018-08-03 |
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| Record modified | 2020-05-30 |
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