Zobrazeno 1 - 10
of 2 897
pro vyhledávání: '"Dissolved gas analysis"'
A comprehensive analysis for wind turbine transformer and its limits in the dissolved gas evaluation
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e39449- (2024)
This study employs the PRISMA-A methodology to conduct a systematic review of transformer fault diagnostics using Dissolved Gas Analysis (DGA) data. A comprehensive analysis was performed across four major databases—IEEE, Scopus, ScienceDirect (Els
Externí odkaz:
https://doaj.org/article/40d2636d0d7947f0a5ec9e7876bfa267
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110146- (2024)
Power transformer diagnostic methods based on traditional intelligent learning are affected by the scarcity of transformer fault data, which hinders their further application and prevents them from obtaining high diagnostic accuracy. To solve this pr
Externí odkaz:
https://doaj.org/article/b691bcb4760b45a0ac7a3ea1a43d43c8
Autor:
Fettouma Guerbas, Youcef Benmahamed, Youcef Teguar, Rayane Amine Dahmani, Madjid Teguar, Enas Ali, Mohit Bajaj, Shir Ahmad Dost Mohammadi, Sherif S. M. Ghoneim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The lifetime of power transformers is closely related to the insulating oil performance. This latter can degrade according to overheating, electric arcs, low or high energy discharges, etc. Such degradation can lead to transformer failures o
Externí odkaz:
https://doaj.org/article/9d4e52e9c88240fca150afe03c038239
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The transformer plays a critical role in maintaining the stability and smooth operation of the entire power system, particularly in power transmission and distribution. The paper begins by providing an overview of traditional fault diagnosis methods
Externí odkaz:
https://doaj.org/article/37155aef2b5c4f95a07674944a8c1ae0
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Extensive research validates the effectiveness of employing Dissolved Gas Analysis (DGA) for diagnosing electric power transformer failures. However, a significant portion of existing research focuses on static data for classifying failure types, lac
Externí odkaz:
https://doaj.org/article/4ed877644ec545bb92afe351479b6498
Publikováno v:
IEEE Access, Vol 12, Pp 108472-108483 (2024)
The dissolved gas analysis (DGA) data play a crucial role in evaluating the transformer health index (HI). In recent years, data-driven approaches have attracted significant research interest for the HI prediction with various health condition data.
Externí odkaz:
https://doaj.org/article/f712acb67b72456db24d03eb12e14f21
Publikováno v:
IEEE Access, Vol 12, Pp 60255-60263 (2024)
Under the general trend of smart grid development in China, it has especially importance to maintain the stability of power generation, the safety of power operation and the reliability of power supply. However, most power plants need to participate
Externí odkaz:
https://doaj.org/article/82d0a538bbd94058ae6d3bd730069bf3
Publikováno v:
IEEE Access, Vol 12, Pp 27794-27809 (2024)
Reliable operation of oil-immersed power transformers is crucial for electrical transmission and distribution networks. However, the aging of high voltage assets including power transformers along with the increasing of load demand have heightened th
Externí odkaz:
https://doaj.org/article/abfaf795d7da436da9a65f6c41771395
Publikováno v:
Molecules, Vol 29, Iss 19, p 4625 (2024)
Dissolved gas analysis (DGA) is considered to be the most convenient and effective approach for transformer fault diagnosis. Due to their excellent performance and development potential, chemiresistive gas sensors are anticipated to supersede the tra
Externí odkaz:
https://doaj.org/article/5352f64dbdea4afe96988176f004f2e6
Autor:
Dexu Zou, Zixiong Li, Hao Quan, Qingjun Peng, Shan Wang, Zhihu Hong, Weiju Dai, Tao Zhou, Jianhua Yin
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 250-256 (2023)
Power transformer plays a very important role in power system, its long-term operation will cause various kinds of faults. Accurate identification and timely elimination of transformer faults are the basis of safe operation of power grid. As one of t
Externí odkaz:
https://doaj.org/article/886810ee84da45d1be1013817c689bc0