Results 11 to 20 of about 15,593 (257)

Transient analysis of power loss density with time-harmonic electromagnetic waves in Debye media

open access: yesRoyal Society Open Science, 2021
Due to the complex permittivity, it is difficult to directly clarify the transient mechanism between electromagnetic waves and Debye media. To overcome the above problem, the temporal relationship between the electromagnetic waves and permittivity is ...
Jiaqi Zhong   +3 more
doaj   +1 more source

Modelling and Operation Analysis of Electromechanical Transient- Electromagnetic Transient Hybrid System

open access: yesChemical Engineering Transactions, 2017
The electromechanical-electromagnetism hybrid simulation technology combines the advantages of electromechanical transient simulation and electromagnetic transient simulation.
Fengling Fang
doaj   +1 more source

Synthetic high-power transient electromagnetic transmitter for mine and its application

open access: yesMeikuang Anquan, 2021
According to the superposition principle of electromagnetic field strength in space, a multi-channel synchronous transmission method is proposed to improve the TEM detection effect in coal mines, which increases the energy density of spatial ...
WANG Bingchun
doaj   +1 more source

An in vitro Evaluation of the Effect of Transient Electromagnetic Fields on Pacemakers and Clinical Mitigation Measures

open access: yesFrontiers in Cardiovascular Medicine, 2020
Background: The effect of transient electromagnetic fields on the function of pacemakers is not well-evaluated. There is a lack of effective methods for clinicians to reduce electromagnetic susceptibility (EMS) during implantation of pacemakers.
Jing Huang   +9 more
doaj   +1 more source

Electromagnetic transient analysing of neutral bus in UHVDC converter station

open access: yesThe Journal of Engineering, 2019
Transient processes at neutral bus of ultra-high value direct current (UHVDC) converter station received insufficient attention, because of the lower amplitude compare to poles.
Yunchao Wang   +7 more
doaj   +1 more source

A Novel Electromagnetic Transient Simulation Method of Large-Scale AC Power System With High Penetrations of DFIG-Based Wind Farms

open access: yesIEEE Access, 2022
With the ever-expanding deployment of renewable energy sources (RESs), the short-time transients have more significant impacts on shaping the characteristics of large power grids.
Yifeng Dong   +6 more
doaj   +1 more source

Multi-turn loop inductance of small loop transient electromagnetic method

open access: yesMeikuang Anquan, 2021
Small loop transient electromagnetic method (TEM) is a widely used electromagnetic exploration method in mountainous areas, tunnels, underground coal mines and other areas with difficult construction arrangement.
LIAN Chenguang, SHI Xianxin
doaj   +1 more source

Three-Component Forward Modeling for Transient Electromagnetic Method

open access: yesInternational Journal of Geophysics, 2010
In general, the time derivative of vertical magnetic field is considered only in the data interpretation of transient electromagnetic (TEM) method. However, to survey in the complex geology structures, this conventional technique has begun gradually to ...
Bin Xiong
doaj   +1 more source

Research on the development height of water-conducting fracture zone in overburden rock based on transient electromagnetic method in hole

open access: yesMeikuang Anquan
Transient electromagnetic method has shown great effectiveness in detecting water channels. However, conventional methods for detecting the development of water-conducting fracture zones are not suitable due to environmental influences.
Qinghua LIANG   +5 more
doaj   +1 more source

Diffusion Law of Whole-Space Transient Electromagnetic Field Generated by the Underground Magnetic Source and Its Application

open access: yesIEEE Access, 2019
Mine water inrush stays as one of the major disasters in coalmine production and construction. As one of the principal methods for detecting hidden water-rich areas in coal mines, underground transient electromagnetic method (TEM) adopts the small loop ...
Jianghao Chang   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy