Zobrazeno 1 - 10
of 921
pro vyhledávání: '"Oil temperature"'
Autor:
Lai Thanh Tuan, Nguyen Minh Phu
Publikováno v:
Advanced Engineering Letters, Vol 3, Iss 3, Pp 100-109 (2024)
In this article, a mathematical model is established to determine the working parameters of a hydraulic recoil mechanism, considering the characteristic parameters of the oil. The parameters considered in this study are oil compression and oil temper
Externí odkaz:
https://doaj.org/article/c8e0383f14fb401499c1c0c5a95ea854
Publikováno v:
Вестник Научно-исследовательского института железнодорожного транспорта, Vol 83, Iss 1, Pp 40-49 (2024)
Introduction. In order to increase the cold downtime of diesel locomotives in winter, the authors suggest using thermal accumulators in the oil system. The research considers using thermal accumulators to increase the temperature of the pumped oil po
Externí odkaz:
https://doaj.org/article/48b7cfc2adee49b792106651d8546482
Autor:
Yingting Luo, Lei Wang, Junfei Jiang, Duanjiao Li, Shiyu Lai, Jianming Liu, Yuan La, Wenxing Sun, Mo Shi
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
To achieve load management optimization and timely failure warning for power transformers, as well as improve the reliability of the power network, this paper proposes a multiple time scale prediction method for top oil temperature (TOT) based on an
Externí odkaz:
https://doaj.org/article/0b6732e0d46042f7aea8951514ca14b0
Autor:
Ruidong Yu, Zhousheng Zhang
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
IntroductionThe traditional partial discharge localization improvement strategy mainly starts from the intelligent algorithm, but fails to consider the influence of core winding and oil temperature on partial discharge positioning.MethodsThis paper a
Externí odkaz:
https://doaj.org/article/f83c2c3281fa4f63a53b00e84998f482
Publikováno v:
Symmetry, Vol 16, Iss 10, p 1382 (2024)
The operational stability of the power transformer is essential for maintaining the symmetry, balance, and security of power systems. Once the power transformer fails, it will lead to heightened instability within grid operations. Accurate prediction
Externí odkaz:
https://doaj.org/article/0f1684b0acc5437381df27abefdaf9a6
Autor:
Kai Hu, Wenyi Zhang
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8885 (2024)
Oil temperature plays a crucial role in hydraulic closed-circuit systems (HCS), and conventional thermal equilibrium models and coupled simulation models face challenges in terms of accuracy, efficiency, and cost when calculating oil temperature. Thi
Externí odkaz:
https://doaj.org/article/a92066db72c7475584ccb01a2a013c74
Publikováno v:
Energies, Vol 17, Iss 19, p 4916 (2024)
When a transformer is in a long-term heavy load operation state, the oil temperature reaches the alarm temperature; if a slight fault occurs inside the transformer, traditional inverse time current protection and other protections that react to phase
Externí odkaz:
https://doaj.org/article/f74df9b557c2451994a44357f7a7e250
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7751 (2024)
The friction pair gap affects not only the temperature increase of the multi-disc wet clutch, but also the efficiency of the helicopter transmission system. Consequently, a rotational–axial engagement and disengagement-coupled kinetic model of a we
Externí odkaz:
https://doaj.org/article/a292d275108c4729a4c404b7e78dd7bc
Publikováno v:
Mathematics, Vol 12, Iss 17, p 2783 (2024)
Aiming at the problem of high failure rate and inconvenient maintenance of wind turbine gearboxes, this paper establishes a stochastic differential equation model that can be used to fit the change of gearbox oil temperature and adopts an iterative c
Externí odkaz:
https://doaj.org/article/505fc90eae934163a39698ad5710b526
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 25, Iss 2, Pp 84-96 (2023)
RELEVANCE. Any device loses its performance over time, Power transformers too. The problems of overheating and insulation are the main influencing factors to the operation status of power transformers. Thus, the study is of high relevance and applied
Externí odkaz:
https://doaj.org/article/8fc14ab4346446e8a909ff16aeb78660