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Reliability Evaluation Method for Oil–Paper Insulation in Power Transformers [PDF]
Energies, 2011 The overall life of oil-immersed power transformers depends on the long-term life of the oil–paper insulation system throughout continuous operation. Studying the reliability assessment methods for oil–paper insulation can help determine the reliability ...
Stanislaw Grzybowski +2 more
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Energy Reports, 2022 The 1000 kV transformer is one of the most important equipment in ultra high voltage (UHV) power grid, and its service life largely depends on the state of its oil paper insulation system. Especially when micro-bubbles appear in oil paper insulation, the
Zhaoliang Gu +6 more
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IEEE Access, 2019 Moisture content and aging of oil-paper insulation are two important factors that cause deterioration of the insulation performance of power transformers.
Lijun Yang +5 more
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High Voltage, 2023 Engineering experience shows that for transformers with long service life and serious moisture exposure, the inter‐turn paper insulation inside the winding will precipitate bubbles under the condition of electric field and conductor heating, which will ...
Yiyi Zhang +6 more
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Application of molecular simulation in transformer oil–paper insulation
The Journal of Engineering, 2019 Molecular simulation technology is a new technology emerging with the rapid development of computer technology. It has the advantages of clear microscopic models, in-depth and precise calculation etc., it has been widely used in the oil–paper insulation ...
Xia Xiao +4 more
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Study on Fretting Wear Mechanism between Transformer Oil - Immersed Insulation Papers [PDF]
Cailiao Baohu, 2022 In order to analyze the influence of transformer vibration on the winding oil - immersed insulation paper, the friction and wear tester UMT - 2 was used to test the such paper based on the damage phenomenon of transformer winding oil - immersed ...
SHI Xiao - wan, YAN Ming - yin, ZHAO Jing
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Improved NSGA Multi-objective Optimization Based Oil-Paper Insulation Status Assessment Method
Zhongguo dianli, 2023 Oil-paper is an important component of oil-immersed power transformers, and its insulation reliability is crucial for maintaining transformer stable operation. In this paper, FDS tests on aged and damp oil-paper insulation samples are conducted, so as to
Peng ZHANG +5 more
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A review on the research progress and future development of nano‐modified cellulose insulation paper
IET Nanodielectrics, 2022 Focussing on the insulating material of power transformer—cellulose insulation paper, this paper first introduces the basic characteristics and engineering application background of insulation paper.
Chao Tang +5 more
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Evaluation Method of Aging State of Oil-Paper Insulation Based on Isothermal Decay Current
Journal of Harbin University of Science and Technology, 2023 The stable operation of the transformer is an important guarantee for maintaining the safety of the power grid. It is very important to accurately assess the insulation state of oil-paper insulation of transformer.
LIUHeqian +6 more
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IET Science, Measurement & Technology, 2022 This study is for the case where the available data of power transformer oil–paper insulation is limited to a small amount furfural data, to solve the problems in oil–paper insulation degradation modelling, such as few samples available, unknown function
Yuehan Qu +4 more
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