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

