Results 51 to 60 of about 799 (256)

Cooling Fiber Laser Power Converter Systems by Immersion in Oil

Photonics
We demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and ...
Denis Masson, Simon Fafard
doaj   +1 more source

OPTIMAL AGEING LIMIT OF OIL-IMMERSED TRANSFORMERS IN FLEXIBLE POWER SYSTEMS [PDF]

IET Conference Proceedings, 2021
Daminov, Ildar, Marie-Cécile Alvarez-Herault, Caire, Raphael, Prokhorov, Anton   +3 more
openaire   +1 more source

Bioinspired Adaptive Surfaces for Intelligent Liquid Manipulation: Progressing From Passive and Active to Hybrid Strategies

Advanced Materials, EarlyView.
This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao, Yiyuan Zhang, Liqiu Wang, Alan C. H. Tsang   +3 more
wiley   +1 more source

Sustainable Poly(Lactic Acid)/Graphene Oxide Bioelectronic Platform for Neurotransmitters Sensing and Tunable Stimulation of Astrocytes

Advanced Materials, EarlyView.
This work introduces sustainable PLA/graphene oxide bioelectronic interfaces featuring electrodes with tunable conductivity and strong electrocatalytic performance. These platforms were used to implement a new method for tuning astrocyte Ca2+ signaling and for the efficient detection of key biomarkers.
Alessandra Scidà, Giulia Cazzador, Roberta Fabbri, Matteo Calosi, Alessandro Silvestri, Andrea Candini, Fabiola Liscio, Franco Corticelli, Aikaterini Konstantoulaki, Andrea D'Iorio, Marco Caprini, Vincenzo Palermo, Monica Bertoldo, Valentina Benfenati, Chiara Zanardi, Emanuele Treossi   +15 more
wiley   +1 more source

Research on transformer fault diagnosis: Based on improved firefly algorithm optimized LPboost–classification and regression tree

IET Generation, Transmission & Distribution, 2021
The information of dissolved gas in transformer oil can reflect the potential fault in oil immersed power transformer. In order to improve the accuracy of transformer fault diagnosis, a transformer fault diagnosis model based on IFA‐LPboost‐CART is ...
Xiaoxing Zhang, Rongxing Fang, Guozhi Zhang, Yaqi Fang, Xiu Zhou, Yunlong Ma, Kun Wang, Kang Chen   +7 more
doaj   +1 more source

Programmable Functional Silicification of DNA Origami Nanostructures

Advanced Materials, EarlyView.
This work introduces additional functionality into silica‐coated DNA origami nanostructures using non‐standard silica precursors. A fluorescent precursor enables enhanced intracellular tracking, while a disulfide‐containing reagent yields redox‐responsive, degradable silica coatings.
Anna V. Baptist, Lasse Guericke, Philipp Mauker, Oliver Thorn‐Seshold, Amelie Heuer‐Jungemann   +4 more
wiley   +1 more source

Nonwoven‐Based Textile Architectures for Energy Storage Applications: Materials, Preparation, Characterization, and Prospects

Advanced Materials Interfaces, EarlyView.
Nonwoven textile architectures are emerging as versatile platforms for next‐generation energy storage, demonstrating how tailored materials and fabrication strategies enhance ion transport, conductivity, flexibility, and scalability for high‐performance sustainable devices.
Tarikul Islam, Md. Hanif Munshi, Rijon Saha, Shaikh Almoon Hussain, Aqib Adnan Shafin, Shumsul Arefin, Md. Kamruzzaman   +6 more
wiley   +1 more source

Manufacturing quality evaluation method of distribution transformer considering carbon index

Diance yu yibiao
At present, the quality evaluation of distribution transformer inpower grid rarely takes into account the low-carbon nature in the production process.
XIANG Bin, LU Shengwei, XIONG Hu, YANG Zhichun, YANG Jiarui, LIU Zhixiong   +5 more
doaj   +1 more source

Numerical Study on Natural Convective Heat Transfer of Nanofluids in Disc-Type Transformer Windings

IEEE Access, 2019
Nanofluid is an innovative approach to improve the thermal conductivity of fluid by adding nanoparticles. Transformer oil-based nanofluids have been prepared and measured, which verifies the concept and demonstrates the potential in oil-immersed power ...
Yunpeng Zhang, Siu-Lau Ho, Weinong Fu, Xinsheng Yang, Huihuan Wu   +4 more
doaj   +1 more source

Experimental and Numerical Investigation of the Internal Temperature of an Oil-Immersed Power Transformer with DOFS

Applied Sciences, 2020
To accurately detect and monitor the internal temperature of an operating power transformer, the distributed optical fiber sensor (DOFS) was creatively applied inside an oil-immersed 35 kV transformer through high integration with the winding wire.
Yunpeng Liu, Xinye Li, Huan Li, Jiaxue Wang, Xiaozhou Fan   +4 more
doaj   +1 more source