Results 31 to 40 of about 446,660 (328)
Converting Operations Impact on Tissue Paper Product Properties – A Review
BioResources, 2023 Tissue paper is deep-rooted in our daily life because of its different types of products that allow various applications. Tissue paper is a low grammage paper that is mainly characterized by softness, tensile strength, liquid absorption, and elasticity ...
Joana Costa Vieira +2 more
doaj +2 more sources
Machine Learning Topological Invariants with Neural Networks [PDF]
, 2018 In this Letter we supervisedly train neural networks to distinguish different topological phases in the context of topological band insulators. After training with Hamiltonians of one-dimensional insulators with chiral symmetry, the neural network can ...
Shen, Huitao, Zhai, Hui, Zhang, Pengfei
core +4 more sources
IEEE transactions on power electronics, 2019 The momentum toward high power density high-efficiency power converters continues unabated. The key to reducing the size of power converters is high-frequency operation and the bottleneck is the magnetic components. With the emerging widebandgap devices,
Bin Li, Qiang Li, F. Lee
semanticscholar +1 more source
Asymmetric Bar Winding for High-Speed Traction Electric Machines
IEEE Transactions on Transportation Electrification, 2020 A new asymmetric bar winding concept along with the analysis and benefits for high-speed traction electric machines is presented. The objective is to reduce the ac losses, especially at high speeds, utilizing optimized and asymmetric conductor heights ...
Md Nazmul Islam +3 more
semanticscholar +1 more source
Elektrotehnìka ta Elektroenergetika, 2011 Проведено аналіз існуючих пристроїв обмеження однофазних струмів короткого замикання. Розглянуто розроблений пристрій обмеження однофазного струму короткого замикання в нейтралі високовольтної обмотки автотрансформатора.
N. V. Vyshnevsky, A.N. Andriyenko
doaj +1 more source
DEVICES FOR MEASURING THE NUMBER OF TRANSFORMER COILS
Измерение, мониторинг, управление, контроль, 2023 Background. In the process of manufacturing transformers, many operations are performed to control technological operations, such as matching the size of the winding wire, its tension, winding density, coil dimensions, location and correctness of ...
Alexey I. Nefediev +2 more
doaj +1 more source
O(4) texture with a cosmological constant [PDF]
, 2002 We investigate O(4) textures in a background with a positive cosmological constant. We find static solutions which co-move with the expanding background. There exists a solution in which the scalar field is regular at the horizon.
A. Cohen +22 more
core +1 more source
Winding numbers of phase transition points for one-dimensional topological systems
, 2015 We study topological properties of phase transition points of one-dimensional topological quantum phase transitions by assigning winding numbers defined on closed circles around the gap closing points in the parameter space of momentum and a transition ...
Chen, Shu, Li, Linhu, Yang, Chao
core +1 more source
Performance comparison of conventional synchronous reluctance machines and PM-assisted types with combined star-delta winding [PDF]
, 2017 This paper compares four prototype Synchronous Reluctance Motors (SynRMs) having an identical geometry of iron lamination stacks in the stator and rotor.
Ibrahim, Mohamed Nabil Fathy +2 more
core +3 more sources
Effect of Winding Configuration on Six-Phase Induction Machine Parameters and Performance
IEEE Access, 2020 Six-phase induction machines have mostly shown promise in high-power electric drive applications as well as wind energy conversion systems. Different winding configurations for six-phase stators have been published, namely, dual three-phase (D3P ...
A. Abdel-Khalik +2 more
semanticscholar +1 more source