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Bálint Bögre, István Mészáros
Pág. 150 - 158
In this work five different methods ? AC magnetometer, DC magnetometer, Feritscope, EBSD and X-ray diffraction - were compared with each other. These methods were used to determine the d-ferrite content of samples. The limits, disadvantages and advantage...
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N. V. Panasenko,Yu. P. Honcharov,V. V. Ivahno,O. Ye. Ivanov,V. N. Kozachok,P. P. Morozov
Pág. 99 - 106
The structure of the insert of direct current on the traction substation, which makes it possible to remove a number of deficiencies in the acting feeding scheme of the overhead electric transport power line of alternating current, is proposed. Additiona...
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Walter Gil-González, Oscar Danilo Montoya and César Leonardo Trujillo-Rodríguez
This research addresses the efficient integration and sizing of flexible alternating current transmission systems (FACTS) in electrical distribution networks via a convex optimization approach. The exact mixed-integer nonlinear programming (MINLP) model ...
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Rudi Soares, Alexander Bessman, Oskar Wallmark, Göran Lindbergh and Pontus Svens
In the majority of applications using lithium-ion batteries, batteries are exposed to some harmonic content apart from the main charging/discharging current. The understanding of the effects that alternating currents have on batteries requires specific c...
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O. Yu. Baliichuk
Pág. 116 - 128
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N. V. Panasenko,Ju. P. Honcharov,V. V. Zamarujev,S. Yu. Kryvoshejev,O. Je. Ivanov,P. P. Morozov,V. H. Sichenko
Pág. 76 - 81
The structures of sine voltage to quasi-meander shape voltage converters, which allow increasing up to two times the traffic carrying capacity of the feeder mains, are considered.
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Nicolas Santamaria-Henao, Oscar Danilo Montoya and César Leonardo Trujillo-Rodríguez
The problem regarding the optimal placement and sizing of different FACTS (flexible alternating current transmission systems) in electrical distribution networks is addressed in this research by applying a master?slave optimization approach. The FACTS an...
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T. M. Mishchenko
Pág. 86 - 91
A new method for parameters identification of devices of the electric traction systems is offered. The numerical calculations of time and current dependences of equivalent parameters of two-terminal networks, which equivalent circuit looks as parallel co...
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T. M. Mishchenko
Pág. 121 - 126
Introduction: By means of the mathematical or computer (imitating) modeling the emergency, especially stochastic, transient electromagnetic and / or electro energetic processes in the electric traction system of the alternating current should be investig...
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Sumant Lalljith, Andrew G. Swanson, Arman Goudarzi
Frequent escalations in fuel costs, environmental concerns, and the depletion of non-renewable fuel reserves have driven the power industry to significant utilisation of renewable energy resources. These resources cannot satisfy the entire system load de...
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Vladimir Burlaka,Elena Lavrova
Pág. 38 - 43
This paper proposes a circuit solution and a control algorithm for a welding power source for TIG-AC welding with improved energy characteristics. The source is made using a welding transformer and a low-voltage series active power filter on power field ...
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Stephen Whaite, Brandon Grainger and Alexis Kwasinski
This review paper discusses power quality considerations for direct current (DC) electric power distribution systems, particularly DC microgrids. First, four selected sample DC architectures are discussed to provide motivation for the consideration of po...
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Paulo Roberto Campagnoli de Oliveira Filho, Pamela Jenny Montes Girao, Judite Lapa-Guimarães, Mariene Miyoko Natori, Sheyla Cristina Vargas, Elisabete Maria Macedo Viegas
Pág. 81 - 88
Electrical stunning is considered one of less stressful fish stunning method. However, for its efficiency, it is important to determine the best way of application of the electrical variables. The aim of this study was to evaluate the effect of different...
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Zhengchao Yan, Chenxu Zhao, Qianyu Hu, Min Wu, Lin Qiao, Kehan Zhang and Yuli Hu
Inductive power transfer (IPT) technology is widely used in autonomous underwater vehicles (AUVs) to achieve safety and flexibility. However, the eddy current loss (ECL) will be generated in the seawater due to the high-frequency alternating current in t...
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Yunkai Qi, Jianjun Gu, Guochao Shi, Xin Li, Ao Wang and Shumin Yang
Self-assembled dual-working electrode electrolytic cells were designed to produce twin alumina-Co composite films with highly symmetrical microstructures using a deflected electric field-assisted alternating current electrodeposition method. The results ...
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Oluwafemi E. Oni
Inter-area oscillation caused by weak interconnected lines or low generator inertia is a critical problem facing power systems. This study investigated the performance analysis of a multi-terminal high voltage direct current (MTDC) on the damping of inte...
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This paper proposes an alterable structure power router (PR) topology which shares the ability of general Alternating Current (AC) and Direct Current (DC) port. This alterable structure PR aims to better implement the interconnections among micro-grids, ...
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Gang Zhang, Jianglin Qian and Xinyu Zhang
A high-power reversible converter can achieve a variety of functions, such as recovering regenerative braking energy, expanding traction power capacity, and improving an alternating current (AC) grid power factor. A new hybrid traction power supply schem...
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Hong Zeng, Yuanhao Zhao, Xuming Wang, Taishan He and Jundong Zhang
Compared to alternating current (AC) grids, direct current (DC) grids are becoming more and more popular. A power distribution approach is suggested in order to solve the issue of uneven power distribution of distributed generation (DG) in a ship DC micr...
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