State-of-the-art review on the performance of cellulosic dielectric materials in power transformers: Mechanical response and ageing
Power transformers are essential elements in electrical systems and the end of their useful
life is frequently conditioned by the state of the cellulosic insulation materials inside them …
life is frequently conditioned by the state of the cellulosic insulation materials inside them …
Degradation of the compression strength of spacers made of high-density pressboard used in power transformers under the influence of thermal ageing
The structural components inside power transformers are commonly made of high-density
pressboard, due to its suitable mechanical and dielectric properties. Among these …
pressboard, due to its suitable mechanical and dielectric properties. Among these …
Study on the mechanical failure of the cellulosic insulation of continuously transposed conductors in power transformers under the influence of short circuits and …
The dielectric paper of power transformers is subjected to ageing caused by high
temperatures and chemical reactions in the dielectric oil. The electromagnetic forces that …
temperatures and chemical reactions in the dielectric oil. The electromagnetic forces that …
A path of power transformers failure under multiple short-circuit impacts
M Jin, W Chen, W Xu, J Li, Y Zhao, Q Zhang… - Electric Power Systems …, 2024 - Elsevier
In this study, a positive feedback loop between gap occurrence during vibration and residual
deformation of spacers is identified, based on which a transformer failure path under …
deformation of spacers is identified, based on which a transformer failure path under …
Analyzing Transformer Insulation Paper Prognostics and Health Management: A Modeling Framework Perspective
In the era of Industry 4.0, digital transformation has spurred the swift advancement of
technologies, including intelligent predictive maintenance scheduling, prognostics and …
technologies, including intelligent predictive maintenance scheduling, prognostics and …
Experimental and numerical analysis of cellulosic insulation failures of continuously transposed conductors under short circuits and thermal ageing in power …
C Oria, I Carrascal, A Ortiz, I Fernandez… - … on Dielectrics and …, 2020 - ieeexplore.ieee.org
The integrity of the cellulosic insulation in power transformers is considered one of the most
relevant parameters that affects their performance and reliability. Electric faults, such as …
relevant parameters that affects their performance and reliability. Electric faults, such as …
Experimental Characterisation of the Dynamic Mechanical Properties of Pressboard
C Linhares, V Carneiro, H Lopes… - … on Environment and …, 2023 - ieeexplore.ieee.org
The structural strength and dynamic behaviour of transformer windings are mainly
influenced by solid insulation material conditions. Since during transformer's operation the …
influenced by solid insulation material conditions. Since during transformer's operation the …
Degradation of the compression strength of spacers made of high-density pressboard used in power transformers under the influence of thermal ageing
C Oria Alonso, C Méndez Gutiérrez… - 2023 - repositorio.unican.es
The structural components inside power transformers are commonly made of high-density
pressboard, due to its suitable mechanical and dielectric properties. Among these …
pressboard, due to its suitable mechanical and dielectric properties. Among these …
Study on the degradation of the compression strength of spacers made of high-density pressboard used in power transformers under the influence of thermal ageing
The structural components inside power transformers are commonly made of high-density
pressboard, due to its suitable mechanical and dielectric properties. One of these essential …
pressboard, due to its suitable mechanical and dielectric properties. One of these essential …
Mechanical behaviour of the cellulosic dielectric materials of windings in power transformers in operation
C Oria, A Ortiz, I Fernández, I Carrascal… - 2018 XIII International …, 2018 - ieeexplore.ieee.org
Power transformers are crucial elements in electrical systems, and the end of their useful life
is commonly conditioned by the degradation of the cellulosic insulation materials inside …
is commonly conditioned by the degradation of the cellulosic insulation materials inside …