Results 31 to 40 of about 74,909 (294)

Model predictive power control for grid-tied inverters under unbalanced and distorted grid conditions

open access: yesEnergy Reports, 2022
Normally, a grid-tied inverter with model predictive power control (MPPC) possesses a fast dynamic response and outstanding static performance. However, under unbalanced and distorted grid conditions, such a grid-tied inverter is troubled by considerable
Zhi Zhang, Longyun Kang, Bihua Hu
doaj   +1 more source

Grid-connected converter control during unbalanced grid conditions based on delay signal cancellation

open access: yesInternational Transactions on Electrical Energy Systems, 2018
Considering the recent trend in the development, it has become very hard to imagine modern power system without the integration of power electronic devices. A grid connected converter will be on the forefront of future energy trading, while simultaneously striving to offer good dynamic behaviour and operation in full accordance with the relevant grid ...
Bane Popadic   +4 more
openaire   +1 more source

PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags [PDF]

open access: yes, 2018
This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright.
Camacho Santiago, Antonio   +4 more
core   +2 more sources

Asymmetric switch costs in numeral naming and number word reading: Implications for models of bilingual language production [PDF]

open access: yes, 2016
One approach used to gain insight into the processes underlying bilingual language comprehension and production examines the costs that arise from switching languages.
Peressotti, Francesca   +2 more
core   +6 more sources

Model Predictive Direct Power Control of Grid-connected Converters Considering Unbalanced Filter Inductance and Grid Conditions

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
The grid-connected converter (GCC) is widely used as the interface between various distributed generations and the utility grid. To achieve precise power control for GCC, this paper presents a model predictive direct power control (MPDPC) with ...
Weichen Yang   +5 more
doaj   +1 more source

Power Quality Improvement Wind Energy System Using Cascaded Multilevel Inverter [PDF]

open access: yes, 2013
In this paper, a wind energy conversion system based on a cascaded H-bridge multilevel inverter (CHBMLI) topology has been proposed to be used for the grid interface of large split winding alternators (SWAs).
A. S., Kumar, J.S., Sathiyanarayanan
core   +2 more sources

Balanced Current Control Strategy for Current Source Rectifier Stage of Indirect Matrix Converter under Unbalanced Grid Voltage Conditions

open access: yesEnergies, 2016
This paper proposes a balanced current control strategy for the current source rectifier (CSR) stage of an indirect matrix converter (IMC) under unbalanced grid voltage conditions. If the three-phase grid connected to the voltage source inverter (VSI) of
Yeongsu Bak, June-Seok Lee, Kyo-Beum Lee
doaj   +1 more source

Dynamic Control of a DFIG Wind Power Generation System to Mitigate Unbalanced Grid Voltage

open access: yesIEEE Access, 2020
This paper presents an improved control strategy for a doubly-fed induction generator (DFIG) during unbalanced grid voltage conditions. The proposed strategy was applied in both synchronization and grid-connected conditions.
Ali M. Eltamaly   +2 more
doaj   +1 more source

A New Perspective of Wind Power Grid Codes Under Unbalanced and Distorted Grid Conditions

open access: yesIEEE Access, 2020
Increasing penetration of wind power has led power system operators worldwide to develop new grid codes for integration of a wind power plant (WPP) onto the grid. According to the grid codes issued by Federal Energy Regulatory Commission (FERC) in the US,
Md Moinul Islam   +3 more
doaj   +1 more source

Advanced Control of the dynamic voltage restorer for mitigating voltage sags in power systems [PDF]

open access: yes, 2018
The paper presents a vector control with two cascaded loops to improve the properties of Dynamic Voltage Restorer (DVR) to minimize Voltage Sags on the grid.
Dung, Vo Tien   +4 more
core   +1 more source

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