Results 41 to 50 of about 24,064 (137)

An Overview of Inertia Emulation Strategies for DC Microgrids: Stability Analysis and AC Microgrid Analogies

IEEE Open Journal of the Industrial Electronics Society
Inertia is a critical factor in maintaining the frequency stability of power systems. However, the growing integration of power electronics-based renewable energy sources (RESs) has significantly reduced system inertia.
Mahdis Haddadi, Saman A. Gorji, Samson S. Yu   +2 more
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Interleaving-based converter system with features of external auxiliary triggering and universal line input for driving medical laser equipment

The Journal of Engineering, 2019
A novel power converter system to drive medical laser equipment is proposed here, which has the major features of interleaving, external auxiliary triggering, and lighting period control.
Chih-Lung Shen, Li-Zhong Chen, You-Sheng Shen   +2 more
doaj   +1 more source

DC/AC Stage Parameters Design Method for Dual‐Mode Control DC/DC‐DC/AC Converter System

IET Power Electronics
Recently, a DC/DC–DC/AC converter system using dual‐mode control to increase efficiency has been actively studied by many researchers. Due to the similar maximum voltage and current stress of switches for dual‐mode control and traditional two‐stage ...
Di Kang, Hongliang Wang, Yang Jiang, Yibo Si, Xi Gui, Xiaonan Zhu, Xiumei Yue   +6 more
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Improved dielectric and energy storage properties of three‐dimensional BaTiO3/polyvinyl alcohol‐boron nitride flexible dielectric composite via template infiltration strategy

IET Nanodielectrics
Continuous three‐dimensional BaTiO3 (3DBT) ceramic network was prepared by the sol‐gel method using cleanroom wipers as the template. Subsequently, flexible 3DBT/polyvinyl alcohol‐boron nitride nanosheets (PVA‐BNNS) composite dielectric films were ...
Yongzhi Yang, Jinxiang Chao, Peng Jiang, Runhan Xu, Yuchao Li, Yanhu Zhan, Zhicheng Shi, Chengzhu Liao   +7 more
doaj   +1 more source

The implementation of a cost‐efficient damped AC testing methodology for transmission cables based on DC–AC conversion and distributed partial discharge detection

IET Generation, Transmission & Distribution
This research introduces a novel damped alternating current (DAC) testing methodology, which integrates an enhanced DAC generator with a pulse‐based distributed partial discharge (PD) detection technique.
Yuxin Lu, Hongjie Li, Yu Zhang, Jing Hu, Lin Yin, Weisheng He, Nianping Yan, Tangbing Li, Jianzhang Zou, Yuan Yan, Longwu Zhou   +10 more
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Capacitance Estimation for Piezoelectric Actuators, an Artificial Intelligence Approach

IET Science, Measurement & Technology
This research aimed to investigate charge‐based position estimation/control of piezo‐actuated nanopositioning systems using a data‐driven approach. In the analysis of these systems, piezoelectric actuators are widely approximated as capacitors with a ...
Zohreh Rafiei Samani, Morteza Mohammadzaheri, Mojtaba Ghodsi, Wenyan Wu, Nasser Sherkat, Houman Alipooramirabad   +5 more
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An Experimental Analysis of Three-Phase Low-Voltage Power Factor Controllers Used in a Deforming Regime

Energies
In industry, to improve the power factor in low-voltage power substations, a power factor controller (the most used method) can be installed which connects capacitors banks (connected, or not, with coils) in the electrical installation.
Corina Maria Diniș, Gabriel Nicolae Popa   +1 more
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Fabrication and Electrochemical Analysis of NiCo2O4@Ni-MOF Nanoarchitectonics Composites on Ni-Foam Substrate for Supercapacitor Electrodes

Materials Open
To produce the free-standing electrodes, a binder-free direct growth method was employed for electrode fabrication. A NiCo2O4@Ni-MOF (metal–organic framework) composite was synthesized using a one-pot hydrothermal method.
Ye Seul Jung, Sungwook Chung, Yongju Jung, Seok Kim   +3 more
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New Generation of LTCC Materials

Boletín de la Sociedad Española de Cerámica y Vidrio, 2004
To reduce the complexity of LTCC systems and so accelerate the development of LTCC tapes with new functionalities it is necessary to reduce the number of phases within a particular tape.
Valant, Matjaz, Suvorov, Danilo
doaj  

Método de compensación del reactivo en circuitos radiales de distribución

Revista Científica de Ingeniería Energética, 2011
Se presenta un método para definir el factor de potencia de cada nodo de un circuito de distribución queresulta más económico para la Empresa Eléctrica. Se parte de un pronóstico de cargas en todos losnodos de la
Raúl Carvajal Pérez
doaj