采用PDC/FDS法研究纸油绝缘特性

A. Kumar, C. Kumar, J. S. Rajan, K. Singh
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引用次数: 7

摘要

电力变压器纸油绝缘的介电性能受含水率的影响。极化/去极化电流测量有助于了解纸油绝缘系统的介电响应和电导率。这种独特的概念有助于在宽频率范围内测量耗散系数。结果为纸油绝缘中水分含量等绝缘状况提供了定性和定量的信息。本文讨论了含有水分和油中硫化物形成的硫化铜的纸油绝缘的PDC和FDS特性。
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Characteristics of paper oil insulation by PDC/FDS method
Moisture content influences the dielectric properties of paper oil insulation of power transformers. The Polarization/Depolarization current measurements help to understand the dielectric response and conductivity of paper-oil insulation system. This unique concept facilitates the dissipation factor measurement over a wide frequency range. The results provide information on insulation condition such as moisture content in paper oil insulation in both qualitative and quantitative way. This paper discusses the PDC and FDS characteristics of paper oil insulation containing moisture and copper sulphide which is formed due to sulphur in oil.
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