Temperature Compensation of Frequency Domain Spectroscopy Measurement for Condition Assessment of Oil-Paper Insulation

被引：9
|
作者：
Chowdhury, Soumyadeep [1 ]
Haque, Nasirul [1 ]
Chatterjee, Soumya [2 ]
Pradhan, Arpan Kumar [3 ]
Chakravorti, Sivaji [3 ]
机构：
[1] Natl Inst Technol Calicut, Dept Elect Engn, Calicut 673601, Kerala, India
[2] Birla Inst Technol Mesra, Dept Elect & Elect Engn, Ranchi 835215, Bihar, India
[3] Jadavpur Univ, Dept Elect Engn, Kolkata 700032, India
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2022年 / 29卷 / 01期
关键词：
Temperature measurement; Frequency measurement; Temperature distribution; Equivalent circuits; Voltage; Dielectrics; Capacitance; Frequency-domain spectroscopy (FDS); oil-paper insulation; temperature correction; transformers; TIME;
D O I：
10.1109/TDEI.2022.3148483
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 article proposes a novel method for predicting frequency-domain spectroscopy (FDS) characteristics of oil-paper insulation at a temperature, which is different from the measurement temperature, through estimating activation energy. The predicted FDS characteristics curves at different temperatures show a very good agreement with each other when compared to the experimentally measured characteristics. From the FDS characteristics, two moisture-sensitive parameters are proposed for accurate estimation of moisture content of oil-paper insulation. The proposed technique is experimentally validated on several test samples with different moisture contents and also on a real-life transformer.
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页码：255 / 263
页数：9
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