Results 31 to 40 of about 87,042 (291)

A State-of-the-Art Review on Conducted Electromagnetic Interference in Non-Isolated DC to DC Converters

open access: yesIEEE Access, 2020
One of the most challenging and interesting field in power electronics is the ability to mitigate the Electromagnetic Interference (EMI). A natural source of EMI includes the atmospheric discharge/charge phenomena and extra-terrestrial radiation.
Sudhakar Natarajan   +4 more
doaj   +1 more source

Optimization of modulation waveforms for improved EMI attenuation in switching frequency modulated power converters [PDF]

open access: yes, 2015
Electromagnetic interference (EMI) is one of the major problems of switching power converters. This paper is devoted to switching frequency modulation used for conducted EMI suppression in switching power converters. Comprehensive theoretical analysis of
Huang, Jin, Stepins, Deniss
core   +2 more sources

Compressible Graphene-Coated Polymer Foams with Ultralow Density for Adjustable Electromagnetic Interference (EMI) Shielding.

open access: yesACS Applied Materials and Interfaces, 2016
The fabrication of low-density and compressible polymer/graphene composite (PGC) foams for adjustable electromagnetic interference (EMI) shielding remains a daunting challenge.
Bin Shen, Yang Li, W. Zhai, Wenge Zheng
semanticscholar   +1 more source

Superhydrophobic/Flame Retardant/EMI Shielding Fabrics: Manufacturing Techniques and Property Evaluations

open access: yesApplied Sciences, 2019
Electromagnetic pollution interferes with electronic equipment in proximity and jeopardizes human health, which urges the development of electromagnetic interference (EMI) shielding materials.
Hao-Kai Peng   +5 more
doaj   +1 more source

Flexible Nanocomposite Conductors for Electromagnetic Interference Shielding

open access: yesNano-Micro Letters, 2023
Highlights Convincing candidates of flexible (stretchable/compressible) electromagnetic interference shielding nanocomposites are discussed in detail from the views of fabrication, mechanical elasticity and shielding performance.
Ze Nan   +4 more
doaj   +1 more source

Electromagnetic Noise Characterization and Suppression in Low-Field MRI Systems. [PDF]

open access: yesMagn Reson Med
ABSTRACT Purpose Our goal is to develop and validate a practical protocol that guides users in identifying and suppressing electromagnetic noise in low‐field MRI systems, enabling operation near the thermal noise limit. Methods We present a systematic, stepwise methodology that includes diagnostic measurements, hardware isolation strategies, and good ...
Guallart-Naval T, Algarín JM, Alonso J.
europepmc   +2 more sources

Accurate Extraction of Noise Source Impedance of an SMPS Under Operating Conditions [PDF]

open access: yes, 2010
An accurate measurement method to extract the common mode (CM) and the differential mode (DM) noise source impedances of a switched mode power supply (SMPS) under its operating condition is developed and validated.
Bo, Hu   +3 more
core   +1 more source

Biochar-iron composites as electromagnetic interference shielding material

open access: yesMaterials Research Express, 2019
Electromagnetic waves emitted by electrical and electronic devices constitute interference with each other, which becomes a problem for security devices, space vehicles, ships, electronics or even human beings.
Gökçen Akgül   +4 more
doaj   +1 more source

Differential-mode EMI reduction in a multiphase DCM flyback converter [PDF]

open access: yes, 2009
Switched converters are a source of electromagnetic interference (EMI) due to the hard switching and abrupt edges in the current and voltage waveforms.
Cobos Márquez, José Antonio   +3 more
core   +2 more sources

Suppression of common-mode voltage in a PWM rectifier/inverter system [PDF]

open access: yes, 2001
This paper proposes a PWM rectifier/inverter system capable of suppressing not only supply harmonic currents but also electromagnetic interference (EMI).
Akagi, Hirofumi, Ogasawara, Satoshi
core   +1 more source

Home - About - Disclaimer - Privacy