Results 21 to 30 of about 98,856 (268)

Experimental study of transformer oil explosion affected by a vertical steel plate [PDF]

AIP Advances
The transformer oil within the piping of ultra-high voltage converter transformers is prone to evaporation, forming a flammable oil–gas mixture. In the presence of an ignition source, an explosion of transformer oil can cause severe damage to the power ...
Yubiao Huang, Jiaqing Zhang, Lingxin He, Xianli Zhu   +3 more
doaj   +1 more source

Calculation of fault current in MMC-HVDC based on numerical inverse Laplace transform

电力工程技术, 2022
The fault transient analysis of the modular multilevel converter based high voltage direct-current (MMC-HVDC) system is an important basis for the refined design of protection strategies and the selection of equipment parameters.
WU Tonghua, DAI Wei, LI Xindong, HOU Xiaofan, OUYANG Ziqiang, YAN Zheng   +5 more
doaj   +1 more source

Assessing the reliability of adaptive power system protection schemes

, 2012
Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing ...
Burt, Graeme, Dysko, Adam, Abdulhadi, Ibrahim Faiek, Adrianti, A   +3 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

DFT-based design and magnetic properties optimization of the α-Fe/Nd2Fe14B dual-phase composite interface [PDF]

AIP Advances
Dual-phase composite magnetic materials can provide a stable bias magnetic field and reduce the losses associated with the excitation current of magnetic controlled reactors. However, the interfacial coupling mechanism of these materials remains unclear.
Jiaxin Yuan, Daixue Zhang, Fuyao Yang, Yang Liu, Cong Wang, Tao Ma, Xinping Guo, Xiaobing Ma, Yijie Zhao, Jiangbo Chen   +9 more
doaj   +1 more source

Impact of converter interface type on the protection requirements for DC aircraft power systems

, 2012
The utilization of converter interfaces has the potential to significantly alter the protection system design requirements in future aircraft platforms.
Burt, Graeme, Norman, Patrick, Galloway, Stuart, Fletcher, Steven   +3 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

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

Automated post-fault diagnosis of power system disturbances

, 2006
In order to automate the analysis of SCADA and digital fault recorder (DFR) data for a transmission network operator in the UK, the authors have developed an industrial strength multi-agent system entitled protection engineering diagnostic agents (PEDA).
S.D.J. McArthur, E.M. Davidson, Davidson, E.M., McArthur, S.D.J.   +3 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