Results 11 to 20 of about 148,827 (308)

Research on Junction Temperature Smooth Control of SiC MOSFET Based on Body Diode Conduction Loss Adjustment

Energies
In a converter of actual working condition, the change in the current and voltage of the power device will cause the junction temperature to fluctuate greatly. This device is subjected to high thermal stress due to the change in the junction temperature.
Junke Wu, Yunpeng Wei, Yuntao Wu, Zhou Wang, Xingyu Li, Xiangnan Wei   +5 more
doaj   +2 more sources

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

Heliyon
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, Zhao Zhong Chong, Tejas Patel, Abu Nasar, Ankit Pahwa, Howard W Sander   +5 more
doaj   +2 more sources

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

Scientific 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, Sho Kurihara, Hajime Shimmura, Yutaka Matsushita, Yutaka Yamamoto, Hiromi Kojima   +5 more
doaj   +2 more sources

Mathematical Design and Analysis of Three-Phase Inverters: Different Wide Bandgap Semiconductor Technologies and DC-Link Capacitor Selection

Mathematics, 2023
This paper introduces a mathematical design and analysis of three-phase inverters used in electric drive applications such as aerospace, electric vehicles, and pumping applications.
Kotb B. Tawfiq, Arafa S. Mansour, Peter Sergeant   +2 more
doaj   +1 more source

A Performance Optimized CSTBT with Low Switching Loss

Micromachines, 2023
A novel Performance Optimized Carrier Stored Trench Gate Bipolar Transistor (CSTBT) with Low Switching Loss has been proposed. By applying a positive DC voltage to the shield gate, the carrier storage effect is enhanced, the hole blocking capability is ...
Hang Xu, Tianyang Feng, Wenrong Cui, Yafen Yang, David Wei Zhang   +4 more
doaj   +1 more source

Differential Inverters: A General Design Procedure Integrating a Novel Power Losses Modeling Approach for Utilized DC–DC Modules at Different Modulation Schemes

IEEE Access, 2023
Differential inverters develop the PWM of internal DC-DC modules by correlating fundamental frequency of load with high switching frequency to maintain inherent characteristic operation and achieve pure higher/lower AC output voltage with smaller size ...
Ahmed Shawky, Mokhtar Aly, Jose Rodriguez   +2 more
doaj   +1 more source

An Analysis of Non-Isolated DC-DC Converter Topologies with Energy Transfer Media

Energies, 2019
As miniaturized mobile devices with various functionalities are highly desired, the current requirement for loading blocks is gradually increasing. Accordingly, the efficiency of the power converter that supports the current to the loading bocks is a ...
Se-Un Shin
doaj   +1 more source

Modeling Inverter Losses for Circuit Simulation [PDF]

, 2004
Transformer-like inverter models can represent a very good alternative to common switch-diode models for simulation, reducing convergence problems and/or calculation time.
Scapino, Federico, Fratta, Antonino, F. Scapino, A. Fratta   +3 more
core   +1 more source

, low reverse-conduction loss and enhanced stability

, 2021
A novel p-GaN gate topology is proposed to simultaneously achieve high threshold voltage (VTH), low reverse-conduction loss, and enhanced VTH stability in E-mode p-GaN gate HEMT.
Chengcai Wang, Zheng, Zheyang, Lingling Li, Junting Chen, Liu, Ling, Mengyuan Hua, Hua, Mengyuan, Chen, Junting, Li, Lingling, Wang, Chengcai, Kevin J. Chen, Zheyang Zheng, Chen, Kevin J., Ling Liu   +13 more
core   +1 more source

Triac Based Novel Single Phase Step-Down Cycloconverter with Reduced THDs for Variable Speed Applications

Applied Sciences, 2021
In variable speed applications, the cycloconverter-based AC to AC power conversion technique has gained more attention among researchers and academics than the traditional rectifier-inverter-based AC to AC power conversion process.
Tariqul Islam, Hady H. Fayek, Eugen Rusu, Fayzur Rahman   +3 more
doaj   +1 more source