直流应力下油质对变压器油场畸变的影响

Conference on Electrical Insulation & Dielectric Phenomena — Annual Report 1986 Pub Date : 1986-11-01 DOI:10.1109/CEIDP.1986.7726455

U. Gäfvert, Håkan Kols, Jan Marinko

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引用次数: 4

摘要

采用高分辨率电光克尔测量法研究了直流应力作用下变压器油中的电场分布。空间电荷效应显著，特别是在陈年油中。对不同芳香含量的油类进行了研究，但芳香含量与空间电荷之间没有明显的关系。结果是根据一个简单的模型来讨论的，这个模型主要是基于液体中离子对的解离产生载流子。

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Influence of oil quality on field distortion in transformer oil under DC stress

High resolution electro-optic Kerr measurements are used to study the electric field distribution in transformer oil under DC stress. Significant space charge effects are found in particular in aged oil. Oils with different aromatic contents have been studied but there is no obvious relationship between this content and space charge. The results are discussed in terms of a simple model based on charge carrier generation mainly by dissociation of ion pairs in the bulk of the liquid.

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来源期刊

Conference on Electrical Insulation & Dielectric Phenomena — Annual Report 1986

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