The frequency domain spectroscopy of natural ester and its impregnated paper insulation

2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2013-10-01 DOI:10.1109/CEIDP.2013.6748338

Chen Ling, Liu Rui, Zhang Fu-zhou

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引用次数: 1

Abstract

With the advantages of high lighting temperature, easier degradation and renewable, the natural ester-paper insulation has been employed in distribution transformer, gradually. During the operation, the natural ester-paper insulation will deteriorate under the effect of hot, electrical field and moisture. So it is very important to assess the insulation status of ester-paper insulation in transformers. The Frequency Domain Spectroscopy (FDS) has been widely used to assess the insulation status of oil-paper insulation system. But there is little research about the FDS of natural ester and its impregnated paper insulation. This paper studies the influence of temperature and aging on the FDS of natural ester and its impregnated paper based on experiments. And the results show that, the temperature does not change the shape of FDS of natural ester and its impregnated paper, it just changes the position of FDS in the coordinate axis. The aging changes the shape of FDS of ester, obviously, but does not change the basic shape of FDS of ester-impregnated paper.

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天然酯及其浸渍纸绝缘的频域谱

天然酯纸绝缘材料具有光照温度高、易降解、可再生等优点，已逐渐在配电变压器中得到应用。在使用过程中，天然酯纸绝缘层在高温、电场和湿气的作用下会劣化。因此，对变压器中酯-纸绝缘的绝缘状况进行评估具有十分重要的意义。频域谱法(FDS)已被广泛应用于油纸绝缘系统的绝缘状态评估。但对天然酯及其浸渍纸绝缘材料的FDS研究较少。通过实验研究了温度和老化对天然酯及其浸渍纸FDS的影响。结果表明，温度并不会改变天然酯及其浸渍纸的FDS的形状，而只会改变FDS在坐标轴上的位置。老化对酯浸渍纸FDS的形状有明显的改变，但对酯浸渍纸FDS的基本形状没有改变。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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