Zobrazeno 1 - 10
of 176
pro vyhledávání: '"INSULATION MONITORING"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 4, Pp 119-123 (2024)
Objective The data of various monitoring points regarding rail potential as monitoring object is correlated in time and space, and the direct manifestation of changes in rail-to-rebar structural resistance is reflected in rail potential variation. It
Externí odkaz:
https://doaj.org/article/3c633eef6df049c583b03a6945ead7ae
Autor:
Diego Garcia-Perez, Mariam Saeed, Ignacio Diaz, Jose M. Enguita, Juan Manuel Guerrero, Fernando Briz
Publikováno v:
IEEE Access, Vol 12, Pp 27167-27179 (2024)
Monitoring and fault detection can be critical for efficient, safe and reliable operation of electric drive systems. Unfortunately, developing accurate physics-based models for these tasks is difficult due to unknown machine parameters and incomplete
Externí odkaz:
https://doaj.org/article/0aa1f24af7114b8f9a04e560d67e1667
Autor:
Letizia De Maria, Francesco Arcadio, Giuseppe Gabetta, Daniele Merli, Giancarla Alberti, Luigi Zeni, Nunzio Cennamo, Maria Pesavento
Publikováno v:
Sensors, Vol 24, Iss 16, p 5261 (2024)
2-Furaldehyde (2-FAL) is one of the main by-products of the degradation of hemicellulose, which is the solid material of the oil–paper insulating system of oil-filled transformers. For this reason, it has been suggested as a marker of the degradati
Externí odkaz:
https://doaj.org/article/42a0be58f8f24c73b1115ae8bf0b3b9c
Publikováno v:
南方能源建设, Vol 10, Iss 5, Pp 57-64 (2023)
[Introduction] With the rapid development of power electronic equipment and artificial intelligence and other high-tech, DC (Direct Current) system has been popularized and applied in substations. The grounding fault of the substation DC system has b
Externí odkaz:
https://doaj.org/article/33b4a889ed064663bcb091cc1cc62489
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
At present, the power supply system of 5G base stations is a micro smart grid, it generally uses 240 V DC power supply with multiple branches, and leakage accidents will threaten personal and property safety, so it is vital to identify the fault line
Externí odkaz:
https://doaj.org/article/f51b956429514d98bcc06affc713ad11
Publikováno v:
Energies, Vol 17, Iss 2, p 470 (2024)
The use of the common mode current for stator winding insulation condition assessment has been extensively studied. Two main approaches have been followed. The first models the electric behavior of ground-wall insulation as an equivalent RC circuit;
Externí odkaz:
https://doaj.org/article/2c2107df940544bfa726de3477ede433
Akademický článek
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Autor:
Akihiro Yokoyama, Nobuyuki Yamaguchi
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 150-157 (2020)
In order to improve the efficiency of the electrical safety operations of private electric facilities, the use of AI and IoT is expected. In this paper, we propose a leakage current alarm prediction model using a random forest and an artificial neura
Externí odkaz:
https://doaj.org/article/926f66ce8a884c2d8df5e8b9ef545b00
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1558 (2023)
Distributed generations, using solar photovoltaic (PV) generation systems, are generally connected to ungrounded distribution systems to ensure operational continuity and avoid electro-chemical corrosions. The ungrounded power distribution system pos
Externí odkaz:
https://doaj.org/article/9a9e4420595d4cf09e2558820d518681
Akademický článek
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