Study on Electrical Properties of Vegetable Insulating Oil Impregnated Pressboard

HE Qing; LI Yafei; WANG Wei; LU Mang; WANG Ruizhen; YU Qinxue

doi:10.13296/j.1001-1609.hva.2017.11.021

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Study on Electrical Properties of Vegetable Insulating Oil Impregnated Pressboard

更新时间：2025-04-26

- Study on Electrical Properties of Vegetable Insulating Oil Impregnated Pressboard
- High VoltageApparatus Vol. 53, Issue 11, Pages: 127-131(2017)
- 作者机构：
  
  1. 国网湖北省电力公司科学研究院
  2. 西安交通大学电力设备电气绝缘国家重点实验室
  3. 国网孝感供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.11.021
  CLC： TM21
- Published：2017
- 稿件说明：
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[1]何清,李亚飞,王伟,鲁莽,王瑞珍,于钦学.植物绝缘油浸纸板电气性能的研究[J].高压电器,2017,53(11):127-131.

HE Qing, LI Yafei, WANG Wei, et al. Study on Electrical Properties of Vegetable Insulating Oil Impregnated Pressboard[J]. High voltageapparatus, 2017, 53(11): 127-131.
[1]何清,李亚飞,王伟,鲁莽,王瑞珍,于钦学.植物绝缘油浸纸板电气性能的研究[J].高压电器,2017,53(11):127-131. DOI： 10.13296/j.1001-1609.hva.2017.11.021.

HE Qing, LI Yafei, WANG Wei, et al. Study on Electrical Properties of Vegetable Insulating Oil Impregnated Pressboard[J]. High voltageapparatus, 2017, 53(11): 127-131. DOI： 10.13296/j.1001-1609.hva.2017.11.021.

摘要

绿色环保型植物绝缘油越来越受到人们的重视

国外已经做到420 k V/300 MVA植物油变压器

而国内植物油变压器制造才刚刚起步

到目前为止还没有商品化植物油变压器。因此研究植物绝缘油浸纸板最基本的电气性能具有非常重要的意义。为掌握水分和温度对植物绝缘油浸纸板电气性能的影响

文中制备了不同含水量的植物绝缘油和矿物绝缘油浸纸板试样

并对比研究了它们在常温下的交流击穿特性

以及体积电阻率、损耗因数和相对介电常数随温度和水分的变化规律。研究结果表明

油浸纸板的电气性能在含水量超过4%时急剧下降

同等水分下植物绝缘油浸纸板的击穿场强高于矿物绝缘油浸纸板。文中的研究对植物绝缘油的应用具有重要的参考意义。

Abstract

Vegetable insulating oil has attracted more and more attention.The 420 kV/300 MVA vegetable oil transformer has been used in foreign countries

and the domestic vegetable oil transformer has just started.And there is no commercialnaturalestertransformer

sothestudyofvegetableinsulatingoilbaseelectricalpropertiesisofgreat significance.In order to master the influence of moisture and temperature on the electrical properties of vegetable insulating oil impregnated pressboard

the authors have prepared different kinds of vegetable insulating oil and mineral oil impregnated pressboard samples with different moisture and studiedtheir AC breakdown characteristics at room temperature

and the temperature characteristics of loss factor

volume resistivity and relative permittivity with different moisture.The results show that the electrical properties of oil-impregnated pressboard are abruptly decreased when the moisture content is more than 4%.The AC breakdown strength of vegetable oil impregnated pressboard is higher than that of min-eral oil.The study of this paper has important reference significance for the application of vegetable insulating oil.

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