Results 91 to 100 of about 9,614 (304)

Multi-port Hybrid HVDC Circuit Breaker

, 2017
This paper proposes a new n-port hybrid dc circuit breaker for offshore multi-terminal HVDC grid application. The n-port dc circuit breaker can substitute n-1 hybrid dc circuit breakers at a dc bus with n-1 adjacent dc transmission lines.
Nuno Silva, Silva, Nuno, Dirk Van Hertem, Ataollah Mokhberdoran, Adriano Carvalho, Mokhberdoran, Ataollah, Van Hertem, Dirk, Carvalho, Adriano, Leite, Helder, Helder Leite   +9 more
core   +1 more source

Polymer‐Redox Interactions Enhance Ferro/Ferricyanide Thermogalvanic Cells

Advanced Functional Materials, EarlyView.
Polyelectrolyte could modify the hydration structure of the redox couple in solution and improve the output performance of thermogalvanic cells, providing new fundamental insight into how electrostatic interactions can be exploited to tailor thermoelectric properties.
Pedro Santos Candiotto de Oliveira, Ziyauddin Khan, Swathi Suneesh, Sarbani Ghosh, Zia Ullah Khan, Reverant Crispin, Dan Zhao   +6 more
wiley   +1 more source

A DC circuit breaker for an electric vehicle battery pack

, 1999
Electric vehicle battery packs require DC circuit breakers for safety. These must break thousands of Amps DC at hundreds of Volts. The Sunshark solar racing car has a 140V 17Ahr battery box which needs such a breaker.
Walker, G. R., Walker, Geoffrey R.
core  

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Criterion and Delay Optimization of Circuit Breaker Failure Protection Based on Tail Current Recognition

Zhongguo dianli
When the circuit breaker acts, the current on the primary side of the current transformer suddenly decreases, and the inductive effect will form a tail current on secondary side, which will cause the time of return of the failure protection to be too ...
Xiangwen CHEN, Yang LIU, Qingchun ZHAO, Jin ZHANG, Mingliang JIN, Xiaochun XU, Yulong WANG, Hua XIE   +7 more
doaj   +1 more source

A review of technologies for MVDC circuit breakers

IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, 2016
Medium voltage direct current (MVDC)distribution networks have been considered for variousapplications, such as offshore wind farm collector systems, allelectricnaval vessels, and aircraft. MVDC circuit breakers are acritical technology to directly manage faults in multi-terminal DC(MTDC) networks.
Xiaoze Pei, Oliver Cwikowski, Damian Sergio Vilchis-Rodriguez, Mike Barnes, Alexander C. Smith 0001, Roger Shuttleworth   +5 more
openaire   +2 more sources

Arc root mobility on piezoelectrically actuated contacts in miniature circuit breakers [PDF]

, 2005
A novel contact opening mechanism has been developed using a piezoelectric actuator to open the contacts in a low contact opening velocity circuit breaker.
Weaver, P.M., Paul M. Weaver, Pechrach, K., Kesorn Pechrach, McBride, J.W., John W. Mcbride   +5 more
core   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

Advanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora, Seung Ju Choi, Jaeki Jeong, Silvia Orecchio, Inés García‐Benito, Manuel Pérez‐Escribano, Joaquín Calbo, Likai Zheng, Minseop Byun, Seyeong Song, Gi‐Hwan Kim, Shaik M. Zakeeruddin, Seog‐Young Yoon, Yimhyun Jo, Agustín Molina‐Ontoria, Enrique Ortí, Nazario Martín, Michael Grätzel   +17 more
wiley   +1 more source

Short circuit capability of generator circuit breaker

, 2011
This paper deals with the essential function of generator circuit breaker in power plant. The aim of the paper is to analyse very demanding current and voltage required capabilities concerned with the short-circuit current which a generator circuit ...
Ježek, Václav
core  

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source