Results 101 to 110 of about 6,706 (230)
ChemSusChem, Volume 19, Issue 8, 28 April 2026.An exploratory life cycle assessment compares aluminum–air batteries with gaseous and liquefied hydrogen for long‐term energy storage. The results reveal strong trade‐offs between climate benefits, resource burdens, and system efficiency, highlighting key hot spots and showing how decarbonized smelting and circular material flows can improve the ...
Hüseyin Ersoy +6 more
wiley +1 more source
Performance optimization of VIENNA rectifier based on SVM under unbalanced grid
Dianzi Jishu Yingyong, 2019 On the basis of the steady state analysis of the VIENNA rectifier, an improved direct synchronous decoupling method is used to model the current inner loop, and a small amount of power compensation is added to expand the working area to adapt to ...
Wang Da, Shao Ruping, Dong Feiju
doaj +1 more source
MachinesUnidirectional multilevel back-to-back (BTB) converters are widely employed in renewable energy generation systems and in motor drives for coal mining operations. However, the current zero-crossing distortion (CZCD) on the grid side and the neutral-point
Haigang Wang, Zongwei Liu, Muqin Tian
doaj +1 more source
Event-based Failure Prediction in Distributed Business Processes
, 2018 Traditionally, research in Business Process Management has put a strong focus on centralized and intra-organizational processes. However, today's business processes are increasingly distributed, deviating from a centralized layout, and therefore calling ...
Borkowski, Michael +4 more
core +2 more sources
Optimal Control for Vienna Rectifier in Unbalanced Conditions
Transactions of Nanjing University of Aeronautics and AstronauticsThe Vienna rectifier is a widely adopted solution for high-power rectification due to its efficiency and straightforward design. However， its performance can degrade under unbalanced three-phase voltage conditions， leading to current zero-crossing ...
LIU Chengzi +3 more
doaj +1 more source
Model Predictive Virtual-Flux Control of Three-Phase Vienna Rectifier Without Voltage Sensors
IEEE Access, 2019 In this paper, a finite-control-set model predictive virtual-flux control (FCS-MPVFC) for a three-phase Vienna rectifier is developed and implemented to achieve voltage sensorless control, which is very robust to distorted grid-side voltage operation ...
Feng Yu +3 more
doaj +1 more source
Control of a direct matrix converter with modulated model predictive control [PDF]
, 2017 This paper investigates the use of a model- predic-tive control strategy to control a direct matrix converter. The proposed control method combines the features of the classical Model Predictive Control and the Space Vector Modulation technique into a ...
De Lillo, Liliana +5 more
core +2 more sources
Opera Mundi: a weekly report on the economy of the Common Market. No. 423, August 24, 1967. [PDF]
, 1967 No ...
Author, No
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Comprehensive Analysis of Vienna Rectifiers for Renewable Resources
Highlights in Science, Engineering and TechnologyThe issue of energy has emerged as a significant subject of concern in contemporary discourse. The significance of the advancement of novel energy sources is progressively growing. Relevant strategies should aid in the advancement of power electronics.
openaire +1 more source
MachinesUnder unbalanced grid conditions, the three-phase Vienna rectifier exhibits significant voltage fluctuations in dc-link and asymmetric input currents. Traditional control methods cannot simultaneously suppress the voltage ripples in dc-link and balance ...
Haigang Wang, Zongwei Liu, Muqin Tian
doaj +1 more source