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电缆绝缘聚合物材料的老化成因机理及其研究现状
Authors
张晟
李帮经
林木松
郭坤
Publication date
1 January 2017
Publisher
Abstract
电力电缆作为传送电能的通道,是电力系统的重要组成部分,为电力系统的稳定性和可靠性提供保障。然而,电缆在运行过程中,由于受到光照、电场、磁场、热及水分等因素的影响而使其聚合物绝缘材料发生老化,导致材料绝缘性能显著降低,甚至造成整个电力系统的瘫痪和报废。因此,关注电缆绝缘材料的老化现象对保证电气系统安全运行具有重要的理论意义和实用价值。文中综述了电绝缘材料老化的研究现状,深入分析了其老化原因、机理和表现形式,并从机理层面概述了电绝缘材料老化的诊断分析和预防措施
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Last time updated on 29/08/2018