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| Application of Tencel Fibers in Insulating Pressboard of Power Transformer |
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| DOI：10.11981/j.issn.1000-6842.2018.03.28 |
| Key Words:Tencel fiber; kraft softwood pulp; insulating pressboard; power transformer |
| Fund Project:国家自然科学基金项目（31500495）；国家重点研发计划项目（2017YFB0308200）； 湖南省战略性新兴产业科技攻关项目（2015GK1054）。 |
| Author Name | Affiliation | | CHEN Qi-jie1,3,* | 1. School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hu′nan Province, 410114
3.Hu′nan Special Paper and Paperboard Engineering Technology Research Center, Changsha, Hu′nan Province, 410114 | | ZHENG Xue-ming1 | 1. School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hu′nan Province, 410114 | | KANG Mei-cun1 | 1. School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha, Hu′nan Province, 410114 | | HUANG You-yu2,3 | 2. Hu′nan Guangxin Technology Co., Ltd., Shaoyang, Hu′nan Province, 422900
3.Hu′nan Special Paper and Paperboard Engineering Technology Research Center, Changsha, Hu′nan Province, 410114 | | ZHENG Xiao-ling2,3 | 2. Hu′nan Guangxin Technology Co., Ltd., Shaoyang, Hu′nan Province, 422900
3.Hu′nan Special Paper and Paperboard Engineering Technology Research Center, Changsha, Hu′nan Province, 410114 |
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| Abstract: |
| Tencel fiber is a kind of solvent type regenerated cellulose fiber. The fibrillated Tencel fiber and its influence on the performance of the slurry were studied in this paper, and the influences of different Tencel fiber ratio on the mechanical and electric performances of transformer pressboard were also investigated. The results showed that the Tencel fiber was easy to fibrillate, the higher the fibrillation degree, the fiber became more soft and twisted, more rough surface. Comparing with the insulating pressboard produced with 100% softwood kraft pulp, the density of the insulating pressboard produced with softwood kraft pulp and Tencel fiber in 85∶15 ratio was decreased by 4.8%, the tensile index decreased slightly by 2.9%, oil absorption rate increased by 11.9%, the breakdown voltage in the air and in the oil increased by 5.8% and 25.8%, respectively. The Tencel fiber can improve the oil absorption rate and electrical strength when the Tencel fibers was used in the insulating pressboard of power thansformer. |
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