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Multivariate Statistical Analysis of Thermal Aging Characteristic Parameters of Oil-paper Insulation
Author(s): 
Pages: 2621-2628
Year: Issue:  11
Journal: High Voltage Engineering

Keyword:  油纸绝缘热老化特征参量逐步回归分析因子分析寿命预测;
Abstract: 为了得到聚合度与老化特征参量的内在关系,首先对由克拉玛依的油纸绝缘试品在90、110和130℃下开展加速热老化实验,并定期取样测量绝缘纸聚合度和油中糠醛体积分数、油中溶解气体体积分数、油中微水质量分数及油中酸值等老化特征参量.然后,引入多元统计分析学中的逐步回归分析和因子分析方法对油纸绝缘热老化的各种特征参量进行了分析.对实验数据的逐步回归分析结果表明,油中糠醛体积分数的对数值与表征油纸绝缘老化状...
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