Results 1 to 10 of about 415,381 (202)

An Improved Voltage Clamp Circuit Suitable for Accurate Measurement of the Conduction Loss of Power Electronic Devices [PDF]

open access: goldSensors, 2021
Power electronic devices are essential components of high-capacity industrial converters. Accurate assessment of their power loss, including switching loss and conduction loss, is essential to improving electrothermal stability.
Qiuping Yu   +4 more
doaj   +4 more sources

A Hybrid Perovskite-Based Electromagnetic Wave Absorber with Enhanced Conduction Loss and Interfacial Polarization through Carbon Sphere Embedding [PDF]

open access: yesNanomaterials
Electronic equipment brings great convenience to daily life but also causes a lot of electromagnetic radiation pollution. Therefore, there is an urgent demand for electromagnetic wave-absorbing materials with a low thickness, wide bandwidth, and strong ...
Xuehua Lian   +8 more
doaj   +2 more sources

Organohydrogel-based transparent terahertz absorber via ionic conduction loss [PDF]

open access: yesNature Communications
The fast-growing terahertz technologies require high-performance terahertz absorber for suppressing electromagnetic interference. Since the dissipation mechanism in terahertz band usually focuses on electronic conduction loss, almost all terahertz ...
Wenke Xie   +8 more
doaj   +2 more sources

The bone conduction threshold pattern may help to estimate the pathology underlying conductive hearing loss [PDF]

open access: goldScientific Reports
Air conduction and bone conduction thresholds in audiograms provide clinically useful information. However, whether bone conduction audiograms can help distinguish between different conductive hearing disorders remains unestablished.
Motoki Hirabayashi   +5 more
doaj   +2 more sources

Regression equation analysis enhances detection of conduction slowing beyond axonal loss in diabetic neuropathy [PDF]

open access: goldHeliyon
Objectives: To evaluate the utility of regression analysis in the assessment of conduction slowing in diabetic distal symmetrical polyneuropathy (DSP) and in identifying superimposed demyelination beyond fiber loss.
Nizar Souayah   +5 more
doaj   +2 more sources

Modified Design of Two-Switch Buck-Boost Converter to Improve Power Efficiency Using Fewer Conduction Components

open access: yesApplied Sciences, 2022
In this study, a modified design of a two-switch buck-boost (TSBB) converter is proposed to improve power efficiency using fewer conduction components, and the optimal power range is measured.
Sunghwan Kim   +2 more
doaj   +1 more source

Advanced Modulation Scheme of a Dual-Active-Bridge Series Resonant Converter (DABSRC) for Enhanced Performance

open access: yesMathematics, 2022
This paper proposes a two-degree-of-freedom (2-DoF) modulation technique for the efficient optimization of an open-loop three-phase dual-active-bridge series resonant converter (3P-DABSRC).
Asad Hameed   +6 more
doaj   +1 more source

Gate Drive Controller for Low Voltage DC Hybrid Circuit Breaker

open access: yesEnergies, 2021
With the advent of direct current (DC) loads such as LED lighting, IT equipment, electric vehicles, and DC powers generated from renewable energy sources, low voltage DC (LVDC) distribution system is becoming a hot issue.
Hyosung Kim
doaj   +1 more source

Microwave-assisted heating behavior of amorphous SiC fibers derived from polycarbosilane

open access: yesMaterials Research Express, 2021
In this study, polymer-derived SiC fibers fabricated using low-melting point PCS (polycarbosilane) were prepared in a mat shape for application as a microwave-assisted heating element.
Young Jun Joo, Kwang Youn Cho
doaj   +1 more source

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