Results 111 to 120 of about 14,737 (252)

Intrinsic safety of inverters for permanent magnet synchronous machines

, 2011
Diese Arbeit behandelt die Eigensicherheit von Umrichtern allgemein und im speziellen für den Betrieb mit Permanentmagnet Synchronmaschinen. Diese Bauart an Drehfeldmaschine besitzt Permanentmagnete im Rotor, welche bei Rotation zwangsweise eine ...
Plattner, Roman
core  

Safety, power efficiency and visual comfort at the access zone of highway tunnels: architectural solutions

, 2010
Para atenuar o impacto visual, que acomete o motorista ao ingressar em túneis rodoviários durante o período diurno, utiliza-se a luz artificial, com alto nível inicial e gradual diminuição para o interior do túnel.
Moura, Norberto Corrêa da Silva
core   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

A Single-End Location Method for Small Current Grounding System Based on the Minimum Comprehensive Entropy Kurtosis Ratio and Morphological Gradient

Applied Sciences
Fault location technology is crucial for enhancing the efficiency of fault maintenance and ensuring the safety of the power supply in small current grounding systems.
Jiyuan Cao, Yanwen Wang, Lingjie Wu, Yongmei Zhao, Le Wang   +4 more
doaj   +1 more source

Metal Hydride Storage Systems: State of the Art Analysis and Integration in FC-based Energy Systems [PDF]

, 2007
The technology of metal hydride hydrogen-storage systems has already reached a mature stage and several systems from different manufacturers around the world are now available for purchase.
MANNO, MICHELE, Guizzi, GL, Manno, M, Vellini, M, VELLINI, MICHELA, GAMBINI, MARCO, GUIZZI, GIUSEPPE LEO, Gambini, M   +7 more
core  

Advancing Lithium–Oxygen Batteries: Pioneering Cathode Catalyst Innovation and Artificial Intelligence‐Driven Design Paradigms

Advanced Materials, EarlyView.
This review summarizes the principles and challenges of nonaqueous lithium‐oxygen batteries and recent advances in cathode catalysts, including carbon‐based materials, metals, oxides, sulfides, nitrides, carbides, and redox mediators. It highlights emerging design strategies and artificial intelligence‐driven approaches, emphasizing data‐assisted ...
Yuqing Yao, Chongyang Hao, Karol Viviana Mejia‐Centeno, Malik Dilshad Khan, Shang Wang, Longqiu Li, Yanhong Tian, Andreu Cabot, Qing Sun   +8 more
wiley   +1 more source

Intrinsically Safe (IS) Active Power Supplies

, 2003
Intrinsically safe (IS) active power supplies subjected to certain transient load conditions can deliver power to a circuit at significantly higher levels than indicated on their nameplate ratings.
Walpole, Mark Edward
core  

Ultrathin Li Metal Anodes: Quantitative Design Principles and Manufacturability Across Liquid and Solid‐State Batteries

Advanced Materials, EarlyView.
Ultrathin lithium metal anodes (≤15 µm) offer a promising route to high‐energy‐density batteries due to their high capacity and low potential. This review presents design principles for ultrathin Li, evaluates fabrication strategies, and discusses challenges in liquid and solid‐state cells.
Cheng Wang, Caoyu Wang, Shuixin Xia, Jodie A. Yuwono, Mingnan Li, Yanqiu Lyu, Ruizhi Zhang, Jun Wang, Jianfeng Mao, Zaiping Guo   +9 more
wiley   +1 more source

Investigation of power grid islanding based on nonlinear Koopman modes

, 2013
To view the electricity supply in our society as just sockets mounted in our walls with a constant voltage output is far from the truth. In reality, the power system supplying the electricity or the grid, is the most complex man-made dynamical system ...
Chamorro Vera, Harold Rene,, Raak, Fredrik, Susuki, Yoshihiko, Hikihara, Takashi   +3 more
core   +1 more source

Review and Prospect of Technologies of Automation and Informatization of Coal Mine

Gong-kuang zidonghua, 2010
At present, coal accounts for 74.29% in energy production and 71.26% in energy consumption in China. It is a kind of energy of cheap price, supply-security and capable of cleanly being used.
SUN Ji-ping
doaj