Results 41 to 50 of about 74,290 (194)

Arc voltage fluctuations : comparison between argon and nnitrogen plasma jets [PDF]

, 2007
International audienceIn the plasma spray process, the particle thermal treatment is strongly linked to the arc root fluctuations. These fluctuations are due to the effect of two forces on the connecting arc column: the drag force issued from the gas ...
Nogues, E.
core   +1 more source

High-precision bus voltage control based on NLESO and TSMC predicted load current and grid voltage differential feedforward

Frontiers in Energy Research, 2023
Power battery test equipment is widely used to produce and test new energy vehicles and storage containers. To address the problem of DC bus voltage fluctuations that affect the accuracy of output voltage and current, a high-accuracy bus voltage control ...
Di Xie, Liangliang Wang, Zhi Zhang, Shoumo Wang, Longyun Kang, Jigang Yao   +5 more
doaj   +1 more source

NEGF simulations of a junctionless Si gate-all-around nanowire transistor with discrete dopants [PDF]

, 2012
We have carried out 3D Non-Equilibrium Green Function simulations of ajunctionlessgate-all-around n-type silicon nanowiretransistor of 4.2 × 4.2 nm2 cross-section. We model the dopants in a fully atomistic way.
Brown, A., Asenov, A., A. Martinez, Aldegunde, M., M. Aldegunde, A. Asenov, Martinez, A., Antonio Martinez Muniz, A.R. Brown, Roy, S., S. Roy   +10 more
core   +1 more source

Active Power Management for PV Systems under High Penetration Scenario

International Journal of Photoenergy, 2021
Although PV systems are one of the most widely used alternatives as a renewable energy source due to their well-known advantages, there are significant challenges to address related to voltage fluctuations and reverse power flow caused by high PV ...
Fernando Medina, Nimrod Vazquez, Joaquín Vaquero, Jaime Arau, Leonel Estrada, Elso Rodriguez   +5 more
doaj   +1 more source

Analysis of threshold voltage fluctuations due to short channel and random doping effects [PDF]

, 2013
A two-dimensional (2-D) simulation study of short channel and random dopant effects on threshold voltage lowering and fluctuations in 90 nm MOSFET’s is presented.
FRANCISCO JAVIER DE LA HIDALGA WADE
core  

Research on Model Predictive Current Control Strategy for AC Electric Springs

发电技术
ObjectivesTo improve the ability of AC electric springs (ACES) to stabilize the voltage of critical load (CL) under load switching and grid-side voltage fluctuations, a model predictive current control (MPCC) strategy is proposed.MethodsFirstly, for ...
FAN Weihan, TENG Qingfang, JIANG Zhiwen, ZHENG Zhijie, ZHONG Qing, MA Xiping   +5 more
doaj   +1 more source

A general approach to control a Positive Buck-Boost converter to achieve robustness against input voltage fluctuations and load changes [PDF]

, 2008
A Positive Buck-Boost converter is a known DC-DC converter which may be controlled to act as Buck or Boost converter with same polarity of the input voltage.
A. Boora, Arash, Boora, Arash A., Ghosh, Arindam, Firuz Zare, Zare, Firuz, Gerard Ledwich, Arindam Ghosh, Ledwich, Gerard, Boora, A., Arash A. Boora, zare, F., Ledwich, G.   +11 more
core   +1 more source

Development of a Novel Control Scheme to Achieve the Minimum Unbalance Factor and Real Power Fluctuations under Asymmetrical Faults

Energies, 2023
The increasing share of converter-based renewable energy sources in the power system has forced the system operators to demand voltage support from the converters in case of faults.
Muhammad Abubakar, Herwig Renner, Robert Schürhuber   +2 more
doaj   +1 more source

Voltage and Frequency Suppression of Intentional Islanding Restoration Process for Distribution System with Multi-Generations

Shanghai Jiaotong Daxue xuebao, 2022
Intentional islanding restoration of distribution systems with multi-generations is of great importance to ensure the power supply of critical loads under extreme conditions, which is beneficial to improve the reliability of distribution systems.
CHEN Chun, GAO Jing, CAO Yijia, WANG Weiyu, ZHAO Long
doaj   +1 more source

Study on Superconducting Magnetic Energy Storage for Large Subway Stations with Multiple Lines

Energies
With accelerating urbanization, subway stations, as high-energy-consumption sectors, face significant challenges in maintaining power supply stability and ensuring power quality.
Wenjing Mo, Boyang Shen, Xiaoyuan Chen, Yu Chen, Lin Fu   +4 more
doaj   +1 more source