Results 131 to 140 of about 931,300 (210)
A Study on the New DC-DC Bidirectional Converter [PDF]
, 2017 Since electronically controlled engines & electric propulsion ships were introduced, the importance of UPS(Uninterruptible Power Supply) on emergency power supply devices which use battery has been emphasized recently.
허재정
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Modeling and Output Optimization of Triboelectric Microphone for Acoustic Energy Harvesting
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This work elucidates the fundamental multiphysics coupling mechanisms governing acoustic T‐phone, providing a critical theoretical foundation and a predictive design paradigm for the future engineering and deployment of next‐generation, self‐powered acoustic sensors.
Dan Liu +6 more
wiley +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A self‐powered photodetector using a static water–ZnO interface forms a Schottky‐like photovoltaic junction for ultra‐low‐light sensing. It delivers strong photoresponse, 360° detection, and flexibility, advancing transparent and sustainable water‐based optoelectronics.
Sanh Vo Thi +7 more
wiley +1 more source
Design of Current Source DC/DC Converter and Inverter for 2kW Fuel Cell Application
In order to use hydrogen fuel cell in domestic applications either as main power supply or backup power source, the low DC output voltage of the fuel cell has to be matched to the voltage level and frequency of the utility grid AC voltage.
Andreičiks, Aleksandrs +3 more
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Electron, EarlyView.The underlying interface physics and engineering strategies across key POI material systems, including LiNbO3/Si, LiNbO3/SiC, LiNbO3/diamond, and AlN/diamond, were reviewed. The key engineering strategies such as atomic‐scale bonding optimization, nanostructuring, ultrathin phonon‐bridge interlayers, and ferroelectric domain wall engineering for ...
Yunjia Bao +6 more
wiley +1 more source
Ultra‐Processed Food Intake and its Association With Eating Disorders: A Scoping Review
European Eating Disorders Review, EarlyView.ABSTRACT Objective Ultra‐processed foods have been associated with adverse health outcomes, but their relationship with eating disorders remains unclear. This scoping review mapped the available evidence on the association between ultra‐processed food intake and eating disorders in adolescents and adults.
Marthina Streda Walker +4 more
wiley +1 more source
Frequency Domain Analysis of Dual Active Bridge DC-DC Converter with Series Resonant
Kongzhi Yu Xinxi Jishu, 2017 Isolated bidirectional DC/DC converter is the core of power electronic transformer and influences the performance and efficiency of the system. Switching losses can be reduced and bidirectional power flow can be easily achieved with the use of series ...
WANG Shien, ZHENG Zedong, LI Yongdong
doaj
A Double Inductor Current Source DC/DC Converter for 2kW Fuel Cell Application
In order to use hydrogen fuel cells in domestic applications either as main power supply or backup source, their low DC output voltage has to be matched to the level and frequency of the utility grid AC voltage.
Andreičiks, Aleksandrs +2 more
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Energy Science &Engineering, EarlyView.A hybrid PV–wind grid‐connected microgrid for Mongla Port is optimized using HOMER Pro and validated via DIgSILENT quasi‐dynamic load flow. The system achieves a low cost of energy (0.0341 USD/kWh), 70.9% renewable penetration, improved voltage stability, and significant emission reduction, demonstrating a reliable and cost‐effective solution for ...
Md. Behesty Hasan Sagor +6 more
wiley +1 more source
This paper presents a new bi-directional isolated DC/DC converter for supercapacitor (SC) interfacing. During the SC charging mode, the converter operates as a VSI-based step-down DC/DC converter and during the energy recovery mode, as a qZSI-based step ...
Zaķis, Jānis +3 more
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