Results 121 to 130 of about 36,146 (304)

Harmonic Analysis and Fault-Tolerant Capability of a Semi-12-Phase Permanent-Magnet Synchronous Machine Used for EVs

Energies, 2012
This paper deals with a fault-tolerant semi-12-phase permanent-magnet synchronous machine (PMSM) used for electric vehicles. High fault-tolerant and low toque ripple features are achieved by employing fractional slot concentrated windings (FSCWs) and ...
Haipeng Wang, Yu Lei, Pengfei Wang, Fan Wu, Yi Sui, Ping Zheng   +5 more
doaj   +1 more source

Wind-turbine harmonic emissions and propagation through a wind farm

, 2012
The increasing demand for sustainable energy is one of the driving forces behind the increasing use of wind power by means of wind-turbines in electric power systems. Modern wind turbines commonly employ variable-speed-generator technology associated with a power-electronic converter as part of the grid connection.
openaire   +2 more sources

Toward Stable Multivalent Metal Batteries: Understanding the Interfacial Chemistry for Magnesium and Calcium Metal Anodes

Advanced Functional Materials, EarlyView.
Interphase chemistry governs the stability of multivalent metal batteries. We summarize state‐of‐the‐art developments in calcium and magnesium metal batteries by focusing on the correlation among electrolytes, interphase layers, and the electrochemical performance of corresponding metal anodes.
Huijun Lin, Qi Meng, Juncai Long, Chuheng Cao, Zheng‐Long Xu   +4 more
wiley   +1 more source

Optimization of Stator Structure for Improved Accuracy in Variable Reluctance Resolvers Using Advanced Machine Learning Techniques

Energies
This study presents an optimized design for a Segmented Sinusoidal Parameter Winding with Magnetic Wedge Variable Reluctance Resolver (SSPWMW-VRR), addressing challenges like winding asymmetry and harmonic distortion in conventional designs.
Wentao Li, Qiankun Liu, Siyang Ye, Surong Huang   +3 more
doaj   +1 more source

General 2 charge geometries

, 2005
Two charge BPS horizon free supergravity geometries are important in proposals for understanding black hole microstates. In this paper we construct a new class of geometries in the NS1-P system, corresponding to solitonic strings carrying fermionic as ...
A. Dabholkar, A. Dabholkar, A. Dabholkar, A. Sen, A. Sen, A. Sen, A. Sen, B.C. Palmer, D. Bak, D. Chialva, D. Martelli, E. Witten, G. Lopes Cardoso, G. Lopes Cardoso, H. Lin, I. Bena, J.M. Maldacena, J.M. Maldacena, J.P. Gauntlett, L. Grant, M. Boni, Marika Taylor, O. Lunin, O. Lunin, P. Kraus, R. Iengo   +25 more
core   +1 more source

Algorithmic Design of Disordered Networks With Arbitrary Coordination: Application to Biophotonics

Advanced Functional Materials, EarlyView.
Predictive Design of Disordered Networks: Disordered network‐like morphologies are abundant in nature, from cytoskeletal networks to bone structures and chalcogenide glasses. These structures are naturally hard to characterize. A new algorithmic tool extends the established Wooten–Weaire–Winer (WWW) algorithm to valencies above 4.
Florin Hemmann, Vincent Glauser, Ullrich Steiner, Matthias Saba   +3 more
wiley   +1 more source

Modeling, simulation and measurement of converter transformer winding multi-frequency vibration Based on electromagnetic structure coupling

International Journal of Electrical Power & Energy Systems
The converter transformer is the key equipment of the UHV DC transmission system, assuming the function of AC/DC conversion. The electromagnetic environment and structural deformation of the converter transformer windings mutually interact under high ...
Peiyu Jiang, Fanghui Yin, Liming Wang
doaj   +1 more source

Decay of a superfluid current of ultra-cold atoms in a toroidal trap

, 2014
Using a numerical implementation of the truncated Wigner approximation, we simulate the experiment reported by Ramanathan et al. in Phys. Rev. Lett.
Amy C. Mathey, Charles W. Clark, D. F. Walls, L. D. Landau, L. Mathey, L. P. Pitaevskii, L. P. Pitaevskii, T. Giamarchi   +7 more
core   +1 more source

Regionally Localized Electrolyte Engineering via UV Crosslinking for Stable Ether–Carbonate Lithium Metal Batteries

Advanced Functional Materials, EarlyView.
This work introduces a regionally localized electrolyte (RLE) that spatially separates ether‐ and carbonate‐based functions to stabilize both Li metal and high‐voltage cathodes. An immobilized ether‐rich layer directs Li+ transport, activates LiNO3 locally, and forms a uniform LiF‐rich SEI, enabling lower overpotential, uniform deposition, and long ...
Eunbin Lim, Jeanie Pearl Dizon Suba, Jaegu Cho, Sukeun Yoon, Kuk Young Cho   +4 more
wiley   +1 more source

A Mechanistic Blueprint for Fast, High‐Yield Green Scintillators Using Conjugated Polymer–Nanocrystal Composites

Advanced Functional Materials, EarlyView.
Conjugated polymer–nanocrystal composites are investigated to develop fast, high‐yield green scintillators. The polymer F8BT enables efficient, ultrafast emission, while blends with non‐emitting HfO2 nanocrystals and luminescent CdZnS/ZnS quantum dots reveal distinct sensitization mechanisms.
Chenger Wang, Emanuele Mazzola, Andrea Fratelli, Matteo L. Zaffalon, Francesco Bruni, Francesco Carulli, Xiaohe Zhou, Saptarshi Chakraborty, Leonardo Poletti, Luca Cappelletti, Francesco Meinardi, Francesca Rossi, Luca Gironi, Sergio Brovelli   +13 more
wiley   +1 more source