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

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   +5 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   +5 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   +5 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   +2 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   +5 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
Zhang, G., Songwadhana, J., Lu, H., Yan, Y., Morozov, N., Ning, F., Zhang, P., Yang, C., Khosonthongkee, K., Limphirat, A., Yan, T., Payupol, T., Suwonjandee, N., Asavapibhop, B., Sawangwit, U., Sangka, A., Zhu, Z., Wang, X., Liu, X., Xie, Z.   +19 more
openaire   +2 more sources

Magnetic Field Active Shielding of Overhead Power Lines with Triangular Phase Conductors Arrangements [PDF]

Problems of the Regional Energetics, 2020
. The purpose of the work is synthesis of two degree of freedom robust two circuits system of active shielding of magnetic field, generated by overhead power lines with triangular phase conductor’s arrangements for reducing the initial magnetic flux ...
Kuznetsov B., Nikitina T., Bovdui I.
doaj   +1 more source

Hybrid Active-Passive Shielding of Magnetic Field of Overhead Power Lines with Triangular Phase Conductors Arrangements [PDF]

Problems of the Regional Energetics, 2023
The aim of the work is to design a robust hybrid active-passive magnetic field shielding system created by overhead power lines with a triangular arrangement of phase wires, designed to increase the shielding efficiency of the initial magnetic field in ...
Kuznetsov B.I., Kutsenko A.S., Nikitina T.B., Bovdui I.V., Chunikhin K.V., Dobrodeyev P.N.   +5 more
doaj   +1 more source

Overhead power lines magnetic field reducing in multi-story building by active shielding means

Electrical engineering & Electromechanics, 2021
Aim. Reducing of magnetic flux density of magnetic field in multi-storey building, generated by overhead power lines to the sanitary standards level by active shielding means.
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, V. V. Kolomiets, B. B. Kobylianskiy   +4 more
doaj   +1 more source

Electromagnetic Shielding Techniques in the Wireless Power Transfer System for Charging Inspection Robot Application

International Journal of Antennas and Propagation, 2021
Aiming at eliminating the leakage of magnetic fields from the wireless power transfer (WPT) system, the structural and working characteristics of the WPT system for the inspection robot are analyzed and an electromagnetic shielding method combining ...
Chaoqun Jiao, Yang Xu, Xiang Li, Xiumin Zhang, Zhibin Zhao, Chengzong Pang   +5 more
doaj   +1 more source