Results 21 to 30 of about 667,676 (300)

Protection challenges in future converter dominated power systems : demonstration through simulation and hardware tests [PDF]

, 2015
A model of a converter source capable of providing a controllable fault response is introduced to analyse the performance of protection in future power system scenarios. Using a reduced power system model of the National Grid transmission system in Great
Booth, Campbell, Dysko, Adam, Li, Ruiqi, Roscoe, Andrew, Urdal, Helge, Zhu, Jiebei   +5 more
core   +1 more source

Adaptive real-time protection scheme for distribution networks with high penetration levels of renewable energy resources

Ain Shams Engineering Journal, 2023
The increasing demands of electrical power have imposed a necessity to integrate renewable energy power sources (REPS) into electrical power networks. The presence of REPS within electrical distribution networks mandated an update in the settings of the ...
Fady Wadie, Ebthal Abdulgawad, A. Mousa Abd-Allah   +2 more
doaj   +1 more source

Application of Transmission Line Tower Foundation Protection in Power Engineering

Highlights in Science, Engineering and Technology, 2023
The area of mountains, hills and plateaus in China accounts for about 69% of the total land area of the country. It is inevitable that the UHV and HV transmission lines under construction will be built in areas with complex geomorphic characteristics.
Zhen Bao, Xia Ji
openaire   +1 more source

Secure Communication with a Wireless-Powered Friendly Jammer [PDF]

, 2014
In this paper, we propose to use a wireless-powered friendly jammer to enable secure communication between a source node and destination node, in the presence of an eavesdropper. We consider a two-phase communication protocol with fixed-rate transmission.
Durrani, Salman, Liu, Wanchun, Popovski, Petar, Zhou, Xiangyun   +3 more
core   +2 more sources

Modeling of environmental aspects related to reverse osmosis desalination supply chain [PDF]

, 2020
open access journalBackground: This study aimed to model optimization of strategic environmental management decisions in the operation of reverse osmosis desalination, emphasizing the costs required for the environmental protection during the production ...
Alipour, Vali, Amoozad Mahdiraji, Hannan, Binaee, Shahab, Mehrgan, Mohammad Reza, Razavi Haji Agha, Seyyed Hossein   +4 more
core   +2 more sources

MMC‐HVDC AC side line protection based on positive sequence fault component current ratio

IET Generation, Transmission & Distribution, 2023
The high‐voltage direct current (HVDC) transmission based on modular multilevel converter shows the weak feed characteristic of limited fault current amplitude when connected to the traditional AC power grid, which leads to the risk of sensitivity ...
Hanqing Huang, Zengping Wang
doaj   +1 more source

Synchronous Phasors Monitoring System Application Possibilities [PDF]

, 2012
The paper deals with some tasks of advanced methods to achieve security and reliability of transmission power systems. There are discussed advanced principles and techniques in monitoring systems.
Kasembe, Andrew G., Müller, Zdeněk, Tlustý, Josef, Valouch, Viktor, Švec, Jan   +4 more
core   +1 more source

A Novel Magnetic Integration High-Efficiency Converter with Low Ripple and High Dynamic Response for the Hybrid Power Supply Systems of All-Electric Aircraft

Aerospace
With the continuous improvement of battery energy density and converter power density, as well as the miniaturization and lightweighting of related airborne electrical equipment, all-electric aircraft with hybrid power supply systems provide more trade ...
Li Chen, Haifeng Gao, Fengjie Shen, Yiyi Zhang, Liangjie Qiu, Lei Wang   +5 more
doaj   +1 more source

Transmission Line Fault Monitoring and Identification System by Using Internet of Things [PDF]

, 2017
The fault location detection has been a goal of power system engineers, since the creation of distribution and transmission systems. Quick fault detection can help protect the equipment by allowing the disconnection of faulted lines before any ...
Logesh, V. (V), Mohandass, C. (C), Nagarajan, R. (R), Sakthivel, L. (L), Suresh, S. (S), Tamilselvan, G. (G)   +5 more
core   +1 more source

Energy-efficient blockchain-IIoT with mobile edge computing: optimizing resource allocation and multi-hop offloading

Results in Engineering
Blockchain and Mobile Edge Computing (MEC), both of which are edge computing paradigms characterized by strong security attributes, have become a research focus in the Industrial Internet of Things (IIoT) domain.
Yiyi Zhang, Xueyue Xue, Xianfu Lin, Wenchang Wei, Zhicheng Su   +4 more
doaj   +1 more source