Modeling of transient moisture equilibrium in oil-paper insulation

被引：46
|
作者：
Zhou, L. J. [1 ]
Wu, G. N. [1 ]
Liu, J. [1 ]
机构：
[1] SW Jiaotong Univ, Coll Elect Engn, Chengdu 610031, Sichuan, Peoples R China
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2008年 / 15卷 / 03期
关键词：
moisture equilibrium; oil insulation; paper insulation; transient model;
D O I：
10.1109/TDEI.2008.4543125
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper introduces a new model for transient moisture equilibrium in oil-paper insulation, easily applicable even in a continuous way, based on Fick's second law. According to the model, the moisture concentration in paper follows step response function, but the equilibration time constant changes with time since it depends on temperature, paper thickness, equilibration moisture in oil-paper insulation, and number of oil-paper interfaces. The model is validated against experimental data.
引用
收藏
页码：872 / 878
页数：7
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