Results 21 to 30 of about 92,641 (264)

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

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

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

HVDC Transmission Line Protection Based on Transient Power

Procedia Technology, 2016
AbstractThis paper presents a new protection method for High Voltage Direct Current (HVDC) system based on transient power. Behavior of the HVDC system during fault is studied. Variation of transient power and the relation between various parameters of the line are analyzed during each fault.
Tom, Sherin, Thomas, Jaimol
openaire   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Rasheed A. Balogun   +4 more
wiley   +1 more source

Nano‐kaolin enhances the mechanical, electrical, and thermal properties of cellulose insulating paper

High Voltage
There is an extremely urgent demand in the realm of power equipment, including power transformers, motors, and cables. Specifically, there is a pressing need for cellulose‐based composite insulating paper that can exhibit high thermal conductivity ...
Wenchang Wei, Yuye Zhang, Xuanhao Fu, Shengzhe Yuan, Chenxi Shi, Zhicheng Su, Shihao Luo, Haiqiang Chen, Junwei Zha, Yiyi Zhang   +9 more
doaj   +1 more source

A Review on Materials for Flame Retarding and Improving the Thermal Stability of Lithium Ion Batteries

International Journal of Electrochemical Science, 2020
Lithium-ion batteries (LIBs), featured by high energy density, high power density, excellent cycle performance and environmental friendliness, are widely used in electric equipment, electric vehicles and energy storage.
Fei Gao, Hao Liu, Kai Yang, ChuiTao Zeng, Shuping WANG, Minghao FAN, Hao Wang   +6 more
doaj   +1 more source

Line Pilot Protection of Flexible DC Grid Based on Traveling-Wave JS Divergence

IEEE Access, 2022
The proportion of renewable energy mainly including hydropower, photovoltaic and wind power is growing rapidly. DC transmission technology has become the main tool of new energy transmission.
Chunxiang Mao, Peng Wei, Ruopeng Liu, Bin Cai, Hui Xu   +4 more
doaj   +1 more source