Results 31 to 40 of about 420,105 (198)
International Journal of Electrical Power & Energy SystemsThe hybrid cascaded HVDC system(HC-HVDC) in sending end system is composed of an Line Commutated Converter(LCC) connected in series with a parallel group of Modular Multilevel Converters (MMC).
Jiangshan Liu +5 more
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Advanced Science, EarlyView.This study presents a comprehensive interfacial characterization of the biodegradable PCL solid‐polymer electrolytes (SPEs) with Li metal, utilizing an advanced operando ATR‐FTIR spectroscopy. The investigation elucidates the interphase properties during Li plating/stripping in a zero‐excess cell configuration.
Jian‐Fen Wang +5 more
wiley +1 more source
机车电传动, 2020 Aiming at the internal overvoltage phenomenon during high-speed train operation, the overvoltage formation mechanism and its influencing factors were analyzed by taking the case of the overvoltage in passing neutral section and the overvoltage of ...
Shanqiang GU +4 more
doaj
Zhejiang dianli, 2023 Grid-connected offshore wind farms are likely to cause harmonic resonances in the power system that jeopardize the safe operation of the power grid. To this end， the impact of grid-connected offshore wind farms on the transient overvoltage and harmonic ...
XU Qunwei +6 more
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Carbon Energy, EarlyView.Beyond the hype surrounding the self‐healing properties of gallium‐based liquid metals (Ga‐LMs), this perspective critically examines their functional roles in metal‐ion batteries, highlighting both their underlying merits and the often‐overlooked challenges, including non‐representative design and testing configurations, performance overestimations ...
Turly P. P. Sumanasekara +7 more
wiley +1 more source
Fundamental Modeling of the Switching Transition in High-Speed Power Electronics
IEEE AccessRecent advances in semiconductor technology have paved the way for ultra-fast switching capabilities. This increase in switching speed enhances efficiency, power density, and frequency but also increases overvoltage oscillations at the switching node ...
Francois P. Du Toit, Ivan W. Hofsajer
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Laser‐Textured Field‐Engineered Interface for Robust Dry‐Processed Cathodes in Lithium‐Ion Batteries
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Laser‐patterned dry electrodes applied to current collectors could serve as a promising alternative to the limitations of conventional dry electrodes. Laser technology provides a fast and simple method to enhance the surface roughness of current collectors, improving the adhesion at the electrode–current collector interface.
Chaerin Jung +8 more
wiley +1 more source
Review of overhead line defect inspection based on deep learning and UAV images
电力工程技术Line commutated converter based high voltage direct current (LCC-HVDC) is the key to large-scale grid connection and long-distance transmission of renewable energy. However, faults such as DC blocking and commutation failure may lead to short-term excess
ZHOU Wenqing, LIU Gang
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IEEJ Transactions on Electrical and Electronic Engineering, EarlyView.As the share of renewable energy in the energy mix continues to increase, the penetration of distributed renewable generation in distribution networks is also rising steadily. Loop‐closing operation provides an effective means to enhance renewable energy accommodation across different grid partitions.
Ningyu Zhang +6 more
wiley +1 more source
Rare Lightning and Convection Characteristics During Two Successive Tornadoes in Southern China
High Voltage, EarlyView.ABSTRACT Systematic investigations into lightning characteristics of tornado storms in China remain scarce. This study comprehensively analyses rare lightning behaviour and overshooting top characteristics for two successive tornadoes during a long‐lived supercell in southern China on 27 April 2024.
Fengquan Li +9 more
wiley +1 more source