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High-performance control system for grid-tied ESSs

  • In this study, a high-performance controller is proposed for single-phase grid-tied energy storage systems (ESSs). To control power factor and current harmonics and manage time-shifting of energy, the ESS is required to have low steady-state error and fast transient response. It is well known that fast controllers often lack the required steady-state accuracy and trade-off is inevitable. A hybridIn this study, a high-performance controller is proposed for single-phase grid-tied energy storage systems (ESSs). To control power factor and current harmonics and manage time-shifting of energy, the ESS is required to have low steady-state error and fast transient response. It is well known that fast controllers often lack the required steady-state accuracy and trade-off is inevitable. A hybrid control system is therefore presented that combines a simple yet fast proportional derivative controller with a repetitive controller which is a type of learning controller with small steady-state error, suitable for applications with periodic grid current harmonic waveforms. This results in an improved system with distortion-free, high power factor grid current. The proposed controller model is developed and design parameters are presented. The stability analysis for the proposed system is provided and the theoretical analysis is verified through stability, transient and steady-state simulations.‚Ķshow moreshow less

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Metadaten
Author:Mehdi Niroomand, Thomas Feldmann, Elmar BollinGND
Creating Corporation:Institution of Engineering and Technology
Year of Publication:2017
Language:English
GND Keyword:Controlling; Netzwerk
Parent Title (English):IET Generation Transmission & Distribution
Volume:11
Issue:8
ISSN:1751-8687
First Page:2138
Last Page:2145
Document Type:Article (reviewed)
Institutes:Hochschule Offenburg / Bibliografie
Acces Right:Zugriffsbeschränkt
Release Date:2019/11/12
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1049/iet-gtd.2016.1637