Results 91 to 100 of about 26,605 (327)

Optimization of LLC resonant converters

open access: yes, 2022
Usualmente, na área da eletrónica de potência, tem que existir um trade off entre densidade de potencia e o rendimento, por forma a desenhar dispositivos que sejam pequenos o suficiente, para ocupar o mínimo espaço, mas ao mesmo tempo altamente eficientes, por forma a maximizar a energia consumida em trabalho resultante, especialmente em veículos ...
openaire   +1 more source

Small-Signal Modeling of the LLC Half-Bridge Resonant Converter

open access: yes, 2019
This paper proposes a small-signal modeling method for building an LLC half-bridge resonant converter. In recent years, the LLC half-bridge resonant converter has attracted the attention of many researchers because of its high-power conversion ...
Xueye Wei   +3 more
core   +1 more source

Fe Atoms Accelerator Coupled With Oxygen Vacancies Channel Synergistically Boost OER Performance of Fe‐CoMoO4‐Ov Nanosheets

open access: yesCarbon Energy, EarlyView.
Fe‐CoMoO4‐Ov/NF demonstrates significantly improved OER catalytic performance compared to CoMoO4. Specifically, the introduced Fe atoms act as a promoter for surface reconstruction, significantly reducing the energy required for surface reconstruction to generate FeCoOOH. The oxygen vacancies serve as electron channels between the core Fe‐CoMoO4‐Ov and
Chaojie Lyu   +4 more
wiley   +1 more source

From Ship to Shore: A Review of Vessel‐To‐Grid Bidirectional Charging for Sustainable Maritime Transport

open access: yesEcoEnergy, EarlyView.
As maritime transport electrifies, bidirectional charging (V2G) offers a dual‐purpose solution for energy resilience and economic viability. This work identifies key technological advancements and lifecycle challenges utilizing practical case studies to demonstrate how V2G systems can drive decarbonization and grid stability in the marine sector ...
Jonathan Bloor   +3 more
wiley   +1 more source

AI‐Driven Risk Governance for SMEs: From Predictive Analytics to Strategic Competitiveness

open access: yesStrategic Change, EarlyView.
ABSTRACT Small and medium‐sized enterprises (SMEs) remain highly exposed to financial distress due to limited resources, volatile markets, and governance constraints. Traditional risk management often lacks a strategic and anticipatory orientation, highlighting the need for risk governance frameworks that integrate forecasting and adaptability.
Davide Liberato lo Conte   +3 more
wiley   +1 more source

Analysis and Design of a 50-kW Two Stage Converters for EV Fast Charger With High Efficiency and Wide Output Voltage of 150–1000 V

open access: yesIEEE Access
Generally, the DC-DC converters used in DC fast chargers must cover a wide output voltage with a fixed input voltage, and a single module needs to supply 30-50 kW of power.
Ha-Min Park   +5 more
doaj   +1 more source

Differential Equation Model of the LLC Resonant Converter in the Ideal Case

open access: yesEnergies, 2020
The LLC resonant converter has been widely used in direct current (DC) power supply applications. However, fundamental harmonic approximation or other simplified analyses will introduce inevitable deviations.
Fang Li   +5 more
doaj   +1 more source

Theoretical analysis and optimal design of LLC resonant converter

open access: yes, 2007
A LLC resonant topology is analyzed to derive efficiency and cost optimal design for wide input ranges and load variations. In the LLC converter, a wide range of output power is controlled with only a narrow variation in operating frequency since this ...
Jee-hoon Jung   +3 more
core   +1 more source

Multi‐Frequency Electrocochleography Results in Fewer Drop Alarms During Cochlear Implant Insertion

open access: yesThe Laryngoscope, EarlyView.
A novel multi‐frequency electrocochleography (ECochG) algorithm used during cochlear implant electrode insertion is associated with fewer drop alarms and an increase in optimal insertion track patterns. Multi‐frequency ECochG may provide a more accurate assessment of the cochlear microenvironment when compared to single‐frequency ECochG.
Mana Espahbodi   +27 more
wiley   +1 more source

Design of Full-bridge Soft-switching DC/DC Converter Based on LLC Resonant

open access: yes机车电传动, 2019
In order to adapt to the development trend of high frequency and high power density of converter products, the working principle of LLC resonant soft-switching circuit was mainly introduced, the main mathematical relationship of LLC resonant network was ...
Xiaoyong ZHANG   +4 more
doaj  

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