Results 1 to 10 of about 171,069 (200)

Theoretical Analysis of a Magnetic Shielding System Combining Active and Passive Modes [PDF]

Nanomaterials
Considering the magnetic shielding requirements of both geomagnetic field and 50 Hz power-line frequency in the complex working conditions of the power grid, an electromagnetic shielding system combining active and passive modes is proposed in this ...
Qingzhi Meng, Zelin Wang, Qijing Lin, Dengfeng Ju, Xianfeng Liang, Dan Xian   +5 more
doaj   +6 more sources

Active Shielding Design and Optimization of a Wireless Power Transfer (WPT) System for Automotive [PDF]

Energies, 2020
This study deals with the optimization of a shielding structure composed by multiple active coils for mitigating the magnetic field in an automotive wireless power transfer (WPT) system at 85 kHz.
Silvano Cruciani, Tommaso Campi, Francesca Maradei, Mauro Feliziani   +3 more
doaj   +7 more sources

Design of a Synergistic Active-Passive Shielding System Using Fe-Based Amorphous Alloy [PDF]

ACS Omega
To address power-frequency magnetic fields and transient magnetic disturbances in power systems, a synergistic active-passive magnetic shielding system is proposed in this paper. By combination of high-performance Fe-based amorphous alloy materials with an optimized three-axis compensation coil, finite element method (FEM) simulations and experimental ...
Xulai Zhu, Lingjiang Lu, Gongquan Zhang, Jin Jiang   +3 more
doaj   +6 more sources

HIGH VOLTAGE POWER LINES MAGNETIC FIELD SYSTEM OF ACTIVE SHIELDING WITH COMPENSATION COIL DIFFERENT SPATIAL ARRANGEMENT [PDF]

Electrical engineering & Electromechanics, 2019
Aim. The synthesis of single-circuit system of active shielding of magnetic field, generated by group of high voltage power lines, with different spatial arrangement of shielding coil. Methodology.
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui   +2 more
doaj   +8 more sources

SYNTHESIS OF AN ACTIVE SHIELDING SYSTEM OF THE MAGNETIC FIELD OF POWER LINES BASED ON MULTIOBJECTIVE OPTIMIZATION

Electrical engineering & Electromechanics, 2016
Purpose. The synthesis of the active shielding systems by technogenic magnetic field generated by the different types of high voltage power lines in a given region of space using various cables of controlled magnetic field sources. Methodology.
B. I. Kuznetsov, T. B. Nikitina, A. V. Voloshko, I. V. Bovdyj, E. V. Vinichenko, B. B. Kobilyanskiy   +5 more
doaj   +6 more sources

An Active Shielding Control Method for a Wireless Power Transfer System under Misalignment Conditions [PDF]

Journal of Electromagnetic Engineering and Science, 2022
This paper proposes a control method for an active shield system using an independent power source under misalignment conditions. The proposed method controls the current strength and phase of the shielding system according to magnetic field leakage ...
Jangyong Ahn, Jedok Kim, Dongryul Park, Haerim Kim, Seungyoung Ahn   +4 more
doaj   +3 more sources

Active Shielding Applied to an Electrified Road in a Dynamic Wireless Power Transfer (WPT) System [PDF]

Energies, 2020
An active coil system is proposed to shield the magnetic field produced by a dynamic wireless power transfer (WPT) system used to power electric vehicles (EVs) in motion. The considered dynamic WPT is based on an electrified road with many short-track pads.
Silvano Cruciani, Tommaso Campi, F. Maradei, M. Feliziani   +3 more
exaly   +9 more sources

The study of active geomagnetic shielding coils system for JUNO [PDF]

Journal of Instrumentation, 2021
Abstract The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator (LS) detector for neutrino mass ordering and other neutrino physics research. The detector uses large-size 20 inches photomultiplier tubes to detect photons from a liquid scintillator. The large PMTs are sensitive and easily affected such
G. Zhang, H. Q. Lu, Julanan Songwadhana, Yehao Yan, N. Morozov, Feipeng Ning, P. Zhang, Chengfeng Yang, Khanchai Khosonthongkee, A. Limphirat, T. Yan, T. Payupol, N. Suwonjandee, B. Asavapibhop, Utane Sawangwit, Anut Sangka, Zhongyi Zhu, X. Wang, X. Liu, Zhangquan Xie   +19 more
openalex   +4 more sources

ACTIVE SHIELDING OF MAGNETIC FIELD WITH CIRCULAR SPACE-TIME CHARACTERISTIC [PDF]

Electrical engineering & Electromechanics, 2020
Aim. The synthesis of two degree of freedom robust two circuit system of active shielding of magnetic field with circular space-time characteristic, generated by overhead power lines with «triangle» type of phase conductors arrangements for reducing the ...
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, S. V. Pertrov, V. V. Kolomiets, B. B. Kobilyanskiy   +5 more
doaj   +6 more sources

Method of adjustment of three circuit system of active shielding of magnetic field in multi-storey buildings from overhead power lines with wires triangular arrangement

Electrical engineering & Electromechanics, 2022
Aim. For the first time the method of adjustment of three circuit system of the active shielding of the magnetic field based on experimentally determined space-time characteristics to increase the shielding factor in a multi-storey building located near ...
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, O. V. Voloshko, V. V. Kolomiets, B. B. Kobylianskiy   +5 more
doaj   +2 more sources