[PDF][PDF] 电工环氧绝缘件缺陷无损检测方法研究进展
李进, 赵仁勇, 杜伯学, 郝留成, 边凯 - 电工技术学报, 2021 - dgjsxb.ces-transaction.com
摘要超/特高压输变电技术迅速发展对电力设备绝缘性能提出了更高的要求.
环氧绝缘件是电力设备绝缘系统的重要组成部分, 但在生产, 运行过程中都会产生不同程度的 …
环氧绝缘件是电力设备绝缘系统的重要组成部分, 但在生产, 运行过程中都会产生不同程度的 …
Fault diagnosis of the bushing infrared images based on mask R‐CNN and improved PCNN joint algorithm
Bushings are served as an important component of the power transformers; it's of great
significance to keep the bushings in good insulation condition. The infrared images of the …
significance to keep the bushings in good insulation condition. The infrared images of the …
3‐D thermal analysis for the valve‐side bushings of HVDC converter transformer and application in the evaluation of current‐carrying connections defects
M Lin, K Liu, Z Wu, H Tang, T Liu… - IET Generation …, 2022 - Wiley Online Library
To analyze the overheating problem of the valve‐side bushings of high voltage direct current
(HVDC) converter transformer, which is mainly caused by current‐carrying connections …
(HVDC) converter transformer, which is mainly caused by current‐carrying connections …
Degradation mechanism for epoxy resins under combined electric, thermal and compressive stresses
G Shang, Y Sun, H Tang, X Li, S Zhang, J Li… - Polymer Degradation and …, 2024 - Elsevier
Epoxy resins are widely used in equipment such as ultra-high voltage dry-type bushings,
which are subjected to severe electric, thermal, and compressive stresses. Some physical …
which are subjected to severe electric, thermal, and compressive stresses. Some physical …
Solidification dynamics of silicone oil and electric field distribution within outdoor cable terminations subjected to cold environments
J Li, S Liu, P Song, B Du - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Outdoor oil-filled cable terminations play an important role in power transmission and
distribution networks, but their frequent explosions and disintegration accidents in cold …
distribution networks, but their frequent explosions and disintegration accidents in cold …
Electrical degradation dynamics of glass fiber-reinforced epoxy composites considering different fiber orientation
J Li, R Zhao, Y Wang, Y Chen, X Kong, B Du - Composite Structures, 2023 - Elsevier
Glass fiber-reinforced epoxy composites (GFREC) have been widely used in the mechanical
components of electrical and electronic devices because of its lightweight, high mechanical …
components of electrical and electronic devices because of its lightweight, high mechanical …
Numerical simulation of the interfacial stress between epoxy resin and metal conductor of power equipment during epoxy curing
C Wang, G Zhou, Q Sun, C Chen, Z Zhang, H Li… - High …, 2022 - Wiley Online Library
There are many metal and epoxy resin interfacial structures in power equipments, which can
generate interfacial stress concentrations and may induce accidents due to epoxy curing. In …
generate interfacial stress concentrations and may induce accidents due to epoxy curing. In …
Study on the Generation of Carbon Particles in Oil and its Effect on the Breakdown Characteristics of Oil‐Paper Insulation
Z Zhang, X Pan, Z Dong, J Zhong… - IEEJ Transactions on …, 2023 - Wiley Online Library
The partial discharge in the converter transformer will cause the carbonization of the
insulating paper. The high concentration of free carbon particles generated from the …
insulating paper. The high concentration of free carbon particles generated from the …
Experimental study on corona onset characteristics of small curvature electrode under combined AC–DC voltages
Z Ma, Y Zhou, J Xia, X He, L Zhao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
An investigation into the corona onset characteristics of small curvature electrode with rough
surface under combined ac–dc voltages was presented. The experimental platform under …
surface under combined ac–dc voltages was presented. The experimental platform under …
Improved electric field distribution within bushing insulation by EP/GO nanocomposites with reduced temperature coefficient of conductivity
Field grading within the dry-type bushing insulation presents a major challenge for DC
applications due to the highly temperature-dependent conductivity of the epoxy resin …
applications due to the highly temperature-dependent conductivity of the epoxy resin …