Results 131 to 140 of about 3,705,508 (348)

Models for the modern power grid

, 2014
This article reviews different kinds of models for the electric power grid that can be used to understand the modern power system, the smart grid. From the physical network to abstract energy markets, we identify in the literature different aspects that ...
Baptista, Murilo S., Cardieri, Paulo, Latva-aho, Matti, Nardelli, Pedro H. J., Pomalaza-Raez, Carlos, Rubido, Nicolas, Wang, Chengwei   +6 more
core   +1 more source

Assessment and Enhancement of FRC of Power Systems Considering Thermal Power Dynamic Conditions

CSEE Journal of Power and Energy Systems
Frequency stability and security have been a vital challenge as large-scale renewable energy is integrated into power systems. In contrast, the proportion of traditional thermal power units decreases during the decarbonization transformation process ...
Feng Hong, Yalei Pang, Weiming Ji, Lu Liang, Fang Fang, Junhong Hao, Jizhen Liu   +6 more
doaj   +1 more source

Direct Consolidation of Copper–Graphene Composite by Rotary Swaging

Advanced Engineering Materials, EarlyView.
The applicability of the rotary swaging method for preparation of electroconductive copper–graphene composite by direct consolidation of powders is proven. The consolidated material features advantageous microstructure featuring fine grains and twins, with homogeneous distribution of graphene, primarily along the twin boundaries, which contribute to ...
Radim Kocich, Lenka Kunčická, Pavel Czernek   +2 more
wiley   +1 more source

Design of a Feedback-Controlled Wireless Converter for Electric Vehicle Wireless Charging Applications [PDF]

, 2019
Electric vehicles (EVs) have played an important role in the modern transporta-tion system in recent years. However, current generations of EVs face unsolved drawbacks such as short driving range, long charging time, and high cost due to expensive ...
Badawy, Mohamed O.
core   +1 more source

Interaction energy-based power coupling oscillation analysis and suppression of grid-forming converter connected system

International Journal of Electrical Power & Energy Systems
The power coupling effect of the grid-forming converter will cause instability oscillation when it connects to low-voltage short-distance transmission lines. To solve this problem, this paper presents an energy interaction analysis method for oscillation
Yaqi Shen, Zhuoyang Li, Jing Ma, Letian Wang, Ningsai Su, Jialong Song   +5 more
doaj  

Subsynchronous oscillation monitoring and alarm method based on phasor measurements

Global Energy Interconnection, 2020
Owing to the large-scale grid connection of new energy sources, several installed power electronic devices introduce sub-/supersynchronous inter-harmonics into power signals, resulting in the frequent occurrence of subsynchronous oscillations (SSOs). The
Yuan Qi, Jiaxian Li, Hao Liu, Tianshu Bi
doaj  

Impacts of Device Geometry and Layout on Temperature Profile during Large‐Area Photonic Curing

Advanced Engineering Materials, EarlyView.
The study investigates how gate geometry affects peak curing temperature during photonic curing of solution‐processed indium zinc oxide thin‐film transistors. Using 3D simulations and experimental validation, it reveals that larger gate areas and smaller aspect ratios increase curing temperature and thus improve transistor performance. Findings provide
Yasir Fatha Abed, Neel Chatterjee, Bing Luo, Sarah L. Swisher   +3 more
wiley   +1 more source

Research and Discuss on Market model based on Blockchain

E3S Web of Conferences, 2018
Electric power industry is the foundation of national economy and plays a key role in the development of human society. Traditional power industry is monopolized by industry and lacked of market efficiency. In recent years, it is seeking breakthroughs in
Cui-hui Yan, Fang Liu, Chaofan Hu, Hui Cui, Bin Wang   +4 more
doaj   +1 more source

Recent Progress on 2D‐Material‐Based Smart Textiles: Materials, Methods, and Multifunctionality

Advanced Engineering Materials, EarlyView.
Advancements in 2D‐material‐integrated smart textiles are reviewed, with a focus on materials, fabrication methods, and multifunctional applications, including energy harvesting, monitoring, EMI shielding, energy storage, and thermal management. The discussion addresses key challenges and provides insights into the future development of next‐generation
Yong Choi, Jiheon Kim, Jaemin Lee, Xinqi Chen, Byungseok Seo, Wonjoon Choi   +5 more
wiley   +1 more source

Study for an on-board electrical power system for a manned orbital space station condensed summary report, 6 may - 6 nov. 1963 [PDF]

Electric power system with silicon solar cells and silver-cadmium batteries in System for Nuclear Auxiliary Power- 8 /SNAP-8/ reactors for Manned Orbital Space Station ...

core   +1 more source