Results 11 to 20 of about 1,139,338 (253)

Accurate Prediction of Incomplete Zero-Voltage Switching Dynamics and Losses [PDF]

open access: yes, 2023
The switching losses occurring between full soft-switching and hard-switching are described inadequately, and previous attempts of quantifying incomplete zero-voltage switching losses are topology specific and not applicable for any general half-bridge ...
Jørgensen, Asger Bjørn; id_orcid   +3 more
core   +1 more source

Power Cycling with Switching Losses [PDF]

open access: yes, 2021
This paper deals with a method to additionally heat with switching losses in a classical power cycling test, as it is often used for power semiconductors.The fundamentals of testing, switching behavior, thermal and electrical characteristics of ...
Seidel, Peter
core   +3 more sources

Task Switching in Predictable and Unpredictable Cases [PDF]

open access: yes, 2010
Fourteen experiments have been run in order to provide evidence regarding the cognitive processes that underlie the switching between simple cognitive tasks.
Andreadis, Nikolaos
core   +7 more sources

ZVS Turn-on Triangular Current Mode (TCM) Control for Three-Phase Two-Level Converters With Reactive Power Control

open access: yesIEEE Open Journal of Power Electronics, 2023
High switching frequency operation in power converters leads to a significant reduction in size at the cost of increased switching losses. Thus, soft switching techniques become necessary to reduce the losses. WBG devices have the benefit of low turn-off
Nidhi Haryani   +2 more
doaj   +1 more source

Analytical Study of SiC MOSFET Based Inverter Output dv/dt Mitigation and Loss Comparison With a Passive dv/dt Filter for High Frequency Motor Drive Applications

open access: yesIEEE Access, 2021
Fast switching characteristic of wide bandgap devices enables high switching frequency of power devices and thereby, can facilitate high fundamental frequency operation of electrical machines.
Heonyoung Kim   +3 more
doaj   +1 more source

Fast Method for the Iron Losses Prediction in Inverter Fed Induction Motors [PDF]

open access: yes, 2009
In this paper an easy method for the iron loss prediction in PWM inverter fed induction motors is presented. The method was initially proposed and validated for the prediction of the iron losses in non-oriented soft magnetic material with PWM supply ...
A. Boglietti   +5 more
core   +1 more source

Problems related to the correct determination of switching power losses in high-speed SiC MOSFET power modules [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
High-speed switching capabilities of SiC MOSFET power modules allow building high power converters working with elevated switching frequencies offering high efficiencies and high power densities.
Dawid Zięba, Jacek Rąbkowski
doaj   +1 more source

Buck Converter with Soft-Switching Cells for PV Panel Applications

open access: yesEnergies, 2016
In power conversion of photovoltaic (PV) energy, a hard-switching buck converter always generates some disadvantages. For example, serious electromagnetic interference (EMI), high switching losses, and stresses on an active switch (metal-oxide ...
Cheng-Tao Tsai, Wang-Min Chen
doaj   +1 more source

Switching Losses Analysis of a Constructed Solar DC-DC Static Boost Converter

open access: yesAdvances in Electrical and Electronic Engineering, 2020
The DC-DC converter is majorly used in several renewable energy applications. It is usually relevant in a hard-switching operating mode at the cost of increasing power losses and declining efficiency.
Weam El Merrassi   +2 more
doaj   +1 more source

MINIMIZING HIGH-FREQUENCY SWITCHING LOSSES IN WIDEBAND GAN HEMTS FOR FLYBACK CONVERTERS

open access: yesInformation and Telecommunication Sciences, 2023
Background. In the realm of pulse power supplies, flyback converters play a pivotal role in efficient voltage conversion and providing electrical isolation. Typically, these converters utilize silicon transistors.
Дмитро Арсенюк   +1 more
doaj   +1 more source

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