Investigation of temperature effects on the ageing of paper-oil insulation under repetitive transient voltages

被引：1
|
作者：
Arabul, Ahmet Yigit [1 ,2 ]
Arabul, Fatma Keskin [1 ,2 ]
Jayaram, Shesha H. [1 ]
机构：
[1] Univ Waterloo, Elect & Comp Engn, Waterloo, ON, Canada
[2] Yildiz Tech Univ, Dept Elect Engn, Istanbul, Turkiye
来源：
2023 IEEE ELECTRICAL INSULATION CONFERENCE, EIC | 2023年
基金：
加拿大自然科学与工程研究理事会;
关键词：
windfarm; step-up transformer; paper-oil insulation; repetitive transient; ageing; turn-to-turn insulation;
D O I：
10.1109/EIC55835.2023.10177299
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 this work, the effects of temperature over a range of 20 - 100 degrees C on paper-oil insulation under repetitive transient voltages have been analyzed. The ageing of the paper-oil insulation is measured based on the dielectric frequency response, partial discharge inception voltage, and intensity of discharges. The Luminol (TM) TRi oil, considering its oxidation stability and negative index for gassing has been selected as test oil to evaluate its applicability as an alternative liquid insulation for transformers facing continuous high-frequency repetitive transient voltages. The results help in understanding the ageing response of turn-to-turn insulation in wind-turbine step-up transformers subjected to repetitive transient voltages at different operating temperatures.
引用
收藏
页数：4
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