|本期目录/Table of Contents|

[1]蔡金锭,王凯. 油纸绝缘变压器非标准极化谱的仿真研究[J].电机与控制学报,2014,18(09):49-53.
 CAI Jin-ding,WANG Kai.Research on non-standard polarization spectrum ofoil-paper insulation transformers[J].,2014,18(09):49-53.
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 油纸绝缘变压器非标准极化谱的仿真研究(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
18
期数:
2014年09
页码:
49-53
栏目:
出版日期:
2014-11-30

文章信息/Info

Title:
Research on non-standard polarization spectrum of
oil-paper insulation transformers
作者:
 蔡金锭 王凯
 福州大学电气工程与自动化学院,福建福州350108
Author(s):
 CAI Jin-ding WANG Kai
 College of Electrical Engineering and Automation,Fuzhou University,Fuzhou 350108,China
关键词:
 油纸绝缘 变压器 回复电压 非标准极化谱 特征参数 时间常数
Keywords:
 oil-paper insulation transformer return voltage non-standard polarization spectrum characteristicparameters time constant
分类号:
-
DOI:
-
文献标志码:
A
摘要:
 针对含有局部峰值的非标准回复电压极化谱的还未能明确的诊断变压器绝缘状态,依据时
域介质响应理论,结合现场回复电压测量数据,将扩展徳拜模型引入介质响应等值电路,建立变压
器油纸绝缘系统等值电路模型。对非标准极化谱进行仿真分析,建立非标准极化谱与等值模型参
数之间的关系。仿真结果表明,各时间常数支路的变化可使极化谱产生局部峰值,而且极化谱前端
的局部峰值能反映变压器绝缘油的状态情况,同时试验研究结果证明仿真结论是有效的,弥补依据
非标准极化谱进行绝缘诊断的空缺。
Abstract:
 Aiming at the return voltage polarization spectrum with local peaks which failed to clearly diagnosis
transformer insulation condition,based on the time domain dielectric response theory,combined
with the recovery voltage measurement data,the extended Debye model was introduced into the equivalent
circuit of dielectric response,and the system equivalent circuit of transformer oil paper insulation model
was established. The relationship between the return voltage polarization speculation and dielectric response
equivalent model’s parameters was established by simulating and analyzing the non-standard polarization
spectrum. Simulation results show that changing of each branch’s parameters produces local
peaks of the polarization spectrum,moreover the front of the polarization spectrum’s local peaks reflect
the condition of the transformer insulating oil. Simultaneously the experimental study result demonstrates
that the simulation’s conclusion is effective and indicates that the non-standard polarization spectrum can
be used to diagnose the insulation condition of transformers

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2014-11-28