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Ivan A. Hernandez-Robles, Xiomara Gonzalez-Ramirez, Juan C. Olivares-Galvan, Rafael Escarela-Perez and Rodrigo Ocon-Valdez
Designing and manufacturing transformers often involves variations in heights and thicknesses of windings. However, such geometric asymmetry introduces a significant impact on the magnitude of stray transformer losses. This study examines the effects of ...
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Guang Ma, Ling Cheng, Yu Han and Chengxu He
The magnetic properties of a 0.10 mm ultra-thin, grain-oriented (UTGO) silicon steel and an Fe-based amorphous (FBA) alloy under sinusoidal excitation were experimentally researched, and the magnetic field strength and iron loss of the two materials unde...
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Nuno Santos, Miguel Chaves, Paulo Gamboa, Armando Cordeiro, Nelson Santos and Sónia Ferreira Pinto
This paper focuses on the study of the high frequency transformer incorporated in solid- state transformers, specifically on the development of the steps that enable the design of an optimized high frequency transformer and its equivalent model based on ...
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Bo Cheng, Shengzhao Pang, Huanyu Ou, Zeyan Hu and Zhaoyong Mao
Underwater vehicles have been widely used in marine exploration and development. A contra-rotating propeller (CRP) can improve propulsion efficiency, eliminate the roll moment of the propeller acting on underwater vehicles, and significantly improve the ...
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Akmal Z. Arsad, Ahmad Wafi Mahmood Zuhdi, Noor Baa?yah Ibrahim and Mahammad A. Hannan
Due to recent advances in communication systems, dielectric and magnetic ceramics (ferrites) are attractive for use in devices. Spinel-type ferrites were the first material utilized in microwave devices; however, yttrium iron garnet (YIG) has low dielect...
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Pavel Fedorets, Chuan Zheng, Ralf Engels, Ilhan Engin, Herbert Feilbach, Ulrich Giesen, Harald Glückler, Chrysovalantis Kannis, Franz Klehr, Manfred Lennartz, Heinz Pfeifer, Johannes Pfennings, Claus Michael Schneider, Norbert Schnitzler, Helmut Soltner, Robert Swaczyna and Markus Büscher
A laser-driven spin-polarized 3He2+-beam source for nuclear?physics experiments and for the investigation of polarized nuclear fusion demands a high-density polarized 3" role="presentation" style="position: relative;">33
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He gas-jet target. Such a targe...
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Giorgio Sebastiano Mauro, Giuseppe Torrisi, Andrea Locatelli, Alberto Bacci, Costantino De Angelis, David Mascali and Gino Sorbello
Hollow core microstructures powered by infrared lasers represent a new and promising area of accelerator research, where advanced concepts of electromagnetism must be used to satisfy multiple requirements. Here, we present the design of a dielectric elec...
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Emir Po?kovic, Fausto Franchini, Luca Ferraris, Federico Carosio and Marco Actis Grande
In electrical machines, laminated steels are commonly adopted as soft magnetic materials, while for permanent magnets, sintered ferrites and NdFeB are the most common solutions. On the other hand, the growing demand for volume reduction with the incremen...
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Andrej Androjna, Blagovest Belev, Ivica Pavic and Marko Perkovic
The use of electronic compasses and satellite systems has led to the magnetic compass becoming a secondary means of navigation. Yet this means of navigating is not only not obsolete, it is a necessary backup device: the construction simplicity of the mag...
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Stjepan Frljic, Bojan Trkulja and Igor ?iger
Losses due to eddy currents in an open-type transformer core are significantly reduced by the lamination of the transformer core. In order to further reduce the eddy current losses, the open-type core often has a multi-part structure, i.e., it is compose...
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