Frequency Diagnostics of Transformer Insulating Parameters

被引：0
|
作者：
Brncal, Peter [1 ]
Gutten, Miroslav [1 ]
Cefer, Viktor [1 ]
Korenciak, Daniel [1 ]
Jarzebowicz, Leszek [2 ]
机构：
[1] Univ Zilina, Dept Measurement & Applicat Elect Engn, Fac Elect Engn & Informat Technol, Zilina, Slovakia
[2] Gdansk Univ Technol, Fac Elect & Control Engn, Gdansk, Poland
来源：
2020 INTERNATIONAL CONFERENCE ON DIAGNOSTICS IN ELECTRICAL ENGINEERING, DIAGNOSTIKA | 2020年
关键词：
Frequency Dielectric Spectroscopy; High-voltage transformers; Moisture; Temperature;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In the article is presented experimental analysis and diagnostics of insulating system oil-paper for power transformers, mainly by progressive frequency method - dielectric spectroscopy. In the 1-st part of the article is described base theory about measurement and diagnostics insulating part (oil and paper) of power transformers. In the 2-nd part of article is described measuring method of insulating frequency diagnostics - frequency domain spectroscopy (FDS). This method is used for analysis insulating condition of high-voltage equipment with insulating oil-paper. In the 3-st part of article is described measuring time method of insulating diagnostics - return voltage measurement (RVM). This method is used for analysis of condition of paper moisture of high-voltage equipment. The both measuring methods are unique in terms of analysis of insulating system of oil power transformers. In comparison with other methods, the RVM and FDS methods it is possible comparison and evaluate the moisture state of the dielectric paper of the power transformer with high reliability and accurate. Their reliability in determining moisture in paper was shown by determining the same result (3.5%) on the same measured distribution transformer.
引用
收藏
页码：102 / 105
页数：4
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