Results 71 to 80 of about 46,774 (306)
Reliability analysis of single-phase photovoltaic inverters with reactive power support [PDF]
, 2010 Reactive power support is expected to be an emerging ancillary requirement for single-phase photovoltaic (PV) inverters. This work assesses related reliability issues and focuses on the second stage or inversion process in PV inverters. Three PV inverter
Murray, Charles J.
core
Comparative Studies of Different Control Strategies of a Dynamic Voltage Restorer Based on Matrix Converter [PDF]
, 2012 A dynamic voltage restorer (DVR) with no energy storage is studied. By using a matrix converter instead of the conventional AC/DC/AC converters, elimination of the DC-link capacitor is possible.
Ali Reza Seifi, Amin Shabanpour
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Improved Battery Charger Circuit Utilizing Reduced DC-link Capacitors
TEM Journal, 2017 The article presents a comparison of advantages and disadvantages of a battery charger circuit with and without the use of DC-link capacitors in it. The specific application requirements, namely ultra-light electric vehicles, are set as lightness, efficiency and robustness of the design. Prove of greater reliability and improvement on maintenance costs
Valchev, Vencislav +2 more
openaire +1 more source
Advanced Functional Materials, EarlyView.Lithium‐ion batteries (LIBs) remain central to energy storage but suffer from slow ion transport and degradation. Here, we present a binder‐free Ti3C2Tx MXene/GnR hybrid electrode with a porous 3D architecture formed via freeze casting. The structure enhances conductivity, ion transport, and stability, delivering 401 mAh/g, ∼97% efficiency, and 92 ...
Sara Mohseni Taromsari +10 more
wiley +1 more source
Hybrid and modular multilevel converter designs for isolated HVDC–DC converters [PDF]
, 2018 Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems.
Adam, G.P. +4 more
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Determination of Stray Inductance of Low-Inductive Laminated Planar Multiport Busbars Using Vector Synthesis Method [PDF]
, 2020 Laminated busbars connect capacitors with switching power modules, and they are designed to have low stray inductance to minimize electromagnetic interference. Attempts to accurately measure the stray inductance of these busbars have not been successful.
Hu, Junzhu +6 more
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Advanced Functional Materials, EarlyView.We present a tissue‐stimulator platform for seamless electrode integration with pancreatic tissue, applying uniform electrical stimulation through optimized design with biohybrid 3D printing. Advantageous effects of electrical stimulation on β‐cell function were observed, including enhanced calcium signaling, islet morphology, and maturation.
Jihwan Kim +7 more
wiley +1 more source
IEEE AccessReliability improvement of the Photovoltaic (PV) inverter has a high potential for reducing the cost of PV energy. The DC-link capacitor is one of the main components influencing the reliability of PV inverter systems. Various pulse-width modulation (PWM)
Jae-Heon Choi +2 more
doaj +1 more source
Evaluation of DC-link voltage ripple in five-phase PWM voltage source inverters
The Journal of Engineering, 2019 This paper presents the analysis of the DC-link voltage switching ripple in five-phase PWM voltage source inverters with balanced load. The analysis is particularly important for the design and selection of a DC-link capacitor making it possible to meet ...
M. Vujacic +4 more
doaj +1 more source
A plug-and-play ripple mitigation approach for DC-links in hybrid systems [PDF]
, 2016 © 2016 IEEE.In this paper, a plug-and-play ripple mitigation technique is proposed. It requires only the sensing of the DC-link voltage and can operate fully independently to remove the low-frequency voltage ripple. The proposed technique is nonintrusive
Hui, SY, Lee, ATL, Li, S, Siew-Chong-Tan
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