Results 31 to 40 of about 3,256 (205)

Grounding systems for power supply facilities [PDF]

open access: yes, 2012
This study aims to define some recommendations for choice of grounding system type for power supply facility. Operating modes of 0.4 kV networks approved by International Electrotechnical Commission (IEC) were considered and their advantages and ...
Amann, P. M.   +3 more
core   +2 more sources

Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy

open access: yesCSEE Journal of Power and Energy Systems
Bipolar blocking and commutation failure in the renewable energy transmission system through ultra-high voltage direct current will produce significant temporary overvoltage. This paper analyzes the physical process of sending end grid overvoltage caused
Haoyue Gong   +5 more
doaj   +1 more source

Delta-Bar-Delta and directed random search algorithms to study capacitor banks switching overvoltages [PDF]

open access: yes, 2012
This paper introduces an approach to analyse transient overvoltages during capacitor banks switching based on artificial neural networks (ANN). Three learning algorithms, delta-bar-delta (DBD), extended delta-bar-delta (EDBD) and directed random
Feuillet Rene   +2 more
core   +1 more source

Impact of Electrolyte Temperature on Solution‐Combustion Synthesized NiO/Ni Nanoparticles as Oxygen Evolution Reaction Electrocatalyst

open access: yesChemistryOpen, EarlyView.
Electrolyte temperature significantly affects electrocatalyst performance in water splitting reactions. Catalysts synthesized by solution combustion synthesis were evaluated for oxygen evolution activity at different temperatures. Elevated temperatures reduced overpotential and increased current density, reflecting enhanced reaction kinetics and ...
Easwari Padma Kumari   +3 more
wiley   +1 more source

Power Converters and Power Quality [PDF]

open access: yes, 2015
This paper discusses the subject of power quality for power converters. The first part gives an overview of most of the common disturbances and power quality issues in electrical networks for particle accelerators, and explains their consequences for ...
Kahle, K.
core   +3 more sources

Surface Flashover in 50 Years: III. Extreme Environments and Industrial Challenges

open access: yesHigh Voltage, EarlyView.
ABSTRACT Modern high‐voltage electrical equipment operates in complex environments where surface conditions are subjected to multifaceted influences from electric fields, thermal gradients, contaminants, irradiation and other extreme environmental factors.
Zhen Li   +6 more
wiley   +1 more source

Gold Nanoturf‐Mediated Wireless Photothermal Upregulation of Human Adipose‐Derived Stem Cell Spheroids for Synergistic Skin‐Wound Closure

open access: yesAdvanced Science, Volume 12, Issue 47, December 18, 2025.
A wireless skin‐wound care platform for photothermal‐stem cell‐light (PTSCL) therapy, introduced here, leverages a fully wireless and battery‐free optoelectronic module, gold nanoturf‐mediated photothermal interface, and human adipose‐derived stem cell (hADSC) spheroids to synergistically enhance wound healing.
Jong Uk Kim   +17 more
wiley   +1 more source

Novel Approach for Power Management‐Based NPC STATCOM for Grid‐Connected Photovoltaic Battery System

open access: yesEnergy Science &Engineering, Volume 13, Issue 12, Page 6017-6039, December 2025.
ABSTRACT The development of power quality control systems and methods is a credible step for the modernization of the power grid. In this context, this paper presents novel approaches for the control of power quality and voltage of the power grid using power converters connected to photovoltaic battery systems.
Kamel Sayahi   +3 more
wiley   +1 more source

Technical SWOT analysis of decentralised production for low voltage grids in Flanders [PDF]

open access: yes, 2012
The increasing energy prices, combined with high funding by the government, has resulted in a massive integration of decentralised electrical energy production units in Belgium.
Debruyne, Colin   +3 more
core  

Multiple bottlenecks sorting criterion at initial sequence in solving permutation flow shop scheduling problem [PDF]

open access: yes, 2021
This paper proposes a heuristic that introduces the application of bottleneck-based concept at the beginning of an initial sequence determination with the objective of makespan minimization.
A. S., Zainudin   +3 more
core  

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