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[1]张涛,刘雅琴,杨文雁,等. 基于频域介损积分谱分析变压器油纸绝缘状态的研究[J].电机与控制学报,2019,23(07):72-78.[doi:10.15938/j.emc.2019.07.009]
 ZHANG Tao,LIU Ya-qin,YANG Wen-yan,et al. Research on oil-paper insulation based on the integral of frequency domain spectrum[J].,2019,23(07):72-78.[doi:10.15938/j.emc.2019.07.009]
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 基于频域介损积分谱分析变压器油纸绝缘状态的研究
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
23
期数:
2019年07
页码:
72-78
栏目:
出版日期:
2019-07-15

文章信息/Info

Title:
 Research on oil-paper insulation based on the integral of frequency domain spectrum
作者:
 张涛12 刘雅琴14 杨文雁2 张陈1 任乔林3 肖洒3
 ( 1. 三峡大学电气与新能源学院,湖北宜昌443002; 2. 三峡大学新能源微电网湖北省协同创新中心,湖北宜昌443002;3. 国网湖北省电力有限公司孝感供电公司,湖北孝感432100; 4. 国网荆州供电公司检修分公司,湖北荆州434000)
Author(s):
 ZHANG Tao12 LIU Ya-qin14 YANG Wen-yan2 ZHANG Chen1REN Qiao-lin3 XIAO Sa3
 ( 1. College of Electrical Engineering and New Energy,China Three Gorges University,Yichang 443002,China; 2. Hubei Provincial Collaborative Innovation Center for New Energy Microgrid,China Three Gorges University,Yichang 443002,China;3. State Grid Hubei Electric Power Company Xiaogan Power Supply Company,Xiaogan 443210,China;4. State Grid Jingzhou Power Supply Company Overhaul Branch,Jingzhou 434000,China)
关键词:
频域介电谱 特征参量 频域介损积分谱 变压器 油纸绝缘
Keywords:
frequency domain dielectric spectroscopy characteristic parameter the integral of FDStransformer oil-paper insulation
分类号:
TM 41
DOI:
10.15938/j.emc.2019.07.009
文献标志码:
A
摘要:
 频域介电谱( FDS) 与水分含量的映射关系能有效评估油纸绝缘状态,为了直接利用频域介电特征量评估绝缘老化和受潮的方法,提出在特征频域段内采用介损积分值作为绝缘状态评估的特征参量,并实验研究了不同绝缘老化和受潮程度对频域介电谱和频域介损积分谱影响及其变化规律。研究结果表明: 在10 - 3 ~ 102Hz 范围内相对于频域介损,频域介损积分谱对油纸绝缘老化和受潮更为敏感,随着油纸绝缘老化程度和绝缘受潮的增大,介损积分均呈上升趋势,且曲线具有饱和值,该介损积分值可以量化评估油纸绝缘的状态; 与绝缘老化相比,在10 - 3 ~ 102Hz 范围内,频域介损积分值对绝缘纸的受潮更为敏感,其频域介损积分值更大。因此,提出的频域介损积分谱法为量化评估变压器绝缘状态提供新的研究思路。
Abstract:
The state of oil-paper insulation can be effectively assessed by the mapping relationship between the frequency domain spectrum and the moisture content. In order to directly use frequency domain dielectric characteristics to assesse insulation aging and dampness,the dielectric loss integral value was proposed as the characteristic parameter of insulation condition assessment in characteristic frequency domain.The effects of different insulation aging and dampness on dielectric spectrum in frequency domain and dielectric loss integral spectrum in frequency domain and its variation law were studied experimentally.Results show that in 10 - 3 ~ 102 Hz,the frequency domain spectrum of Stanδ than the frequency domain spectrum of tanδ is more sensitive in the change of aging state and moisture content,with the increase of aging degree and moisture content of oil-paper insulation,the dielectric loss integral tends to increase,and the curve has saturation value,which can quantitatively evaluate the state of oil-paper insulation.Compared with insulation aging,the dielectric loss integral value in frequency domain is more sensitive to moisture content of insulating paper in the range of 10 - 3 ~ 102 Hz,and its dielectric loss integral value in frequency domain is larger. Therefore,the proposed frequency domain dielectric loss integral spectrum
method provides a new research idea for quantitative evaluation of transformer insulation state.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2017 - 12 - 18
基金项目: 国家自然科学基金( 51307097)
作者简介: 张涛( 1981—) ,男,博士,研究方向为高电压绝缘及测试技术、电力系统过电压与接地技术、电力系统优化运行等;
刘雅琴( 1992—) ,女,硕士,研究方向为高电压绝缘及测试技术;
杨文雁( 1981—) ,女,实验师,硕士,研究方向为变压器油纸绝缘技术及绝缘材料;
张陈( 1993—) ,女,硕士研究生,研究方向为高电压绝缘与测试技术;
任乔林( 1969—) ,男,高级工程师,研究方向为电力用油监测;
肖洒( 1989—) ,男,助理工程师,硕士,主要从事电力用油吸附处理研究。
通信作者: 张涛
更新日期/Last Update: 2019-10-13