Estimation of Moisture Content in XLPE Insulation in Medium Voltage Cable by Frequency Domain Spectroscopy

被引:12
|
作者
Das, A. K. [1 ]
Haque, N. [2 ]
Pradhan, A. K. [1 ]
Dalai, S. [1 ]
Chatterjee, B. [1 ]
Mukherjee, A. [1 ]
机构
[1] Jadavpur Univ, Dept Elect Engn, Kolkata, India
[2] Natl Inst Technol, Dept Elect Engn, Calicut, Kozhikode, India
关键词
Temperature sensors; Spectroscopy; Correlation; Frequency-domain analysis; Moisture; Cable insulation; Dielectrics; XLPE cable insulation; Frequency domain spectroscopy; minimum dielectric dissipation factor; moisture content; dielectric relaxation; Havriliak-Negami model; OIL-PAPER INSULATION; DIELECTRIC-SPECTROSCOPY; DISSIPATION FACTOR; PART I; DIAGNOSIS;
D O I
10.1109/TDEI.2020.008789
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
This paper presents a technique to estimate moisture content in XLPE cable insulation through frequency domain spectroscopy. Tan $\delta$ over the frequency range 0.2 mHz to 110 Hz is correlated with moisture in the samples. The Havriliak-Negami (H-N) model is applied to investigate the changes in relaxation characteristics due to moisture and the moisture content is estimated through the correlation, which is used to cross validate the results. The comparative study shows that the estimated moisture content through the H-N model provides better accuracy than using tan $\delta$.
引用
收藏
页码:1811 / 1819
页数:9
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