Zobrazeno 1 - 10
of 3 747
pro vyhledávání: '"Insulation system"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-20 (2024)
Abstract This paper presents a numerical investigation into the fire endurance of carbon fiber reinforced polymer (CFRP)-strengthened columns, shielded with fire-resistant materials, in piloti-type reinforced concrete buildings. The strengthened colu
Externí odkaz:
https://doaj.org/article/3c0ec113993145a0905b77c922dca7d0
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
Electrical machines are usually operated in a very harsh environment, therefore great attention has to be given towards the designing of insulating materials and insulation systems. The severe operating environment invites corrosion, humidity, high t
Externí odkaz:
https://doaj.org/article/9a3137d936d8417a99e209e0c3a3c14f
Publikováno v:
Energies, Vol 17, Iss 16, p 3980 (2024)
Electrical machines for transportation applications are subjected to harsh environmental conditions during their operations. Partial discharge (PD), which is one of the main reasons for insulation failure, is greatly affected by ambient conditions (i
Externí odkaz:
https://doaj.org/article/d2439b40754b4882a817b821d21f0a0f
Publikováno v:
Energies, Vol 17, Iss 15, p 3811 (2024)
In order to reveal the migration and evolution of gas molecules in the actual oil–paper insulation composite system of transformer from the molecular level, the diffusion behavior of seven gas molecules (H2, CO, CO2, CH4, C2H2, C2H4, C2H6) generate
Externí odkaz:
https://doaj.org/article/340d135450c34543b3851182b3ac4a57
Autor:
E. R. Bareeva
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 50, Iss 3, Pp 172-180 (2023)
Objective. The purpose of the study is to find prospects for the development of domestic large-scale isothermal LNG storage facilities to meet the required volume of export supplies from the Russian Federation.Method. During the study, modern methods
Externí odkaz:
https://doaj.org/article/81de4bfd02b641da91ec6f0c7a9abe79
Publikováno v:
Archives of Electrical Engineering, Vol vol. 71, Iss No 4, Pp 865-880 (2022)
To reduce the losses of the power electronic inverter, the voltage slew rate (d u/d t) of the electric motors supplying voltage is increasing. As steep voltage slopes excite high frequencies in the megahertz range, transient phenomena in the winding
Externí odkaz:
https://doaj.org/article/6d456b7ee4384951bbed7692d4f2611f
Autor:
Xianglu Ding, Wei Shang
Publikováno v:
Electronic Journal of Structural Engineering, Vol 22, Iss 2, Pp 1-8 (2022)
This paper took the partial renovation project of an old factory building in Wuhan as an example to study its external wall insulation system. A new insulation system was designed based on inorganic vitrified micro-bubbles. The material was briefly a
Externí odkaz:
https://doaj.org/article/a07ad9cb10514f978d549f1ebed109a0
Autor:
Ha-Cheol Song
Publikováno v:
한국해양공학회지, Vol 36, Iss 4, Pp 217-231 (2022)
Reinforced polyurethane foam (R-PUF), a material for liquefied natural gas cargo containment systems, is expected to have different mechanical properties depending on its stacking position of foaming as the glass fiber reinforcement of R-PUF sinks in
Externí odkaz:
https://doaj.org/article/39704201a1d84597b0ad1abaf864c72a
Publikováno v:
Archives of Electrical Engineering, Vol vol. 71, Iss No 3, Pp 789-804 (2022)
An integration of the electrical machine and the gearbox is attracting particular attention for the design of modern electric and hybrid drive trains, since it saves overall space and subsequently increases the power density. Another benefit of a hig
Externí odkaz:
https://doaj.org/article/c386757e694441a7a36dfc4ac0d8f9f9
Publikováno v:
Journal of International Maritime Safety, Environmental Affairs, and Shipping, Vol 7, Iss 2-3 (2023)
ABSTRACTReliability studies of existing rotating machine insulation systems mainly focused on reliability evaluation for diagnosis and life prediction of generators and motors of various onshore power plants. However, with the increase in commercial
Externí odkaz:
https://doaj.org/article/be402f1da37247378f3b67186a1ac865