Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids

Thomas Geury; Sonia Pinto; Johan Gyselinck; Patrick Wheeler

doi:10.3390/en13205405

Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids

Thomas Geury, Sonia Pinto, Johan Gyselinck, Patrick Wheeler

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Abstract

This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in thedc link’of the IMC through an inductive link, and is connected to the SG with shunt and series connections, allowing for the compensation of current-and voltage-related Power Quality (PQ) issues, respectively, for the sensitive loads and the SG connection. A direct sliding mode-based controller is proposed to guarantee nearly sinusoidal currents in the connection to the SG, and sinusoidal voltages guaranteeing compliance with international standards, when supplying the sensitive loads. Additionally, a novel control approach for thedc link’voltage is synthesised to allow for the control of both the PV array current and the power flow to the SG. To guarantee the semiconductors safe commutation an asynchronous commutation strategy is derived. Simulation and experimental results show that the proposed system significantly improves PQ in the SG, minimizing the total harmonic distortion of the currents injected in the SG, and guaranteeing the quality of the voltage supplied to the sensitive loads, even in the occurrence of voltage sags or overvoltages.

Original language	English
Article number	5405
Pages (from-to)	5405-5423
Number of pages	18
Journal	Energies
Volume	13
Issue number	20
DOIs	https://doi.org/10.3390/en13205405
Publication status	Published - 16 Oct 2020

Bibliographical note

Funding Information:
ETEC Department and MOBI Research Group, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium INESC-ID, Energy Systems, Power Electronics and Power Quality Group, Instituto Superior Técnico, University of Lisbon, 1000-029 Lisbon , Portugal; [email protected] BEAMS Energy Group, École polytechnique de Bruxelles, Université Libre de Bruxelles, 1050 Brussels, Belgium; [email protected] Department of Electrical and Electronic Engineering, The University of Nottingham, Nottingham NG7 2QL, UK; [email protected] Correspondence: [email protected]; Tel.: +32-2-629-3638 This work was supported by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.) and by national funds through Fundação para a Ciência e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017.

Funding Information:
Funding: This research project was funded by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.). This work was supported by national funds through Fundação para a Ciência e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017.

Funding Information:
This research project was funded by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.). This work was supported by national funds through Funda??o para a Ci?ncia e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017.

Publisher Copyright:
© 2020 by the authors.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

Indirect Matrix Converter
photovoltaic systems
Power Quality
Smart Grids
sliding mode control
Unified Power Quality Conditioner

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10.3390/en13205405Licence: CC BY

energies-13-05405-v3Final published version, 4.18 MBLicence: CC BY

Cite this

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title = "Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids",

abstract = "This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in thedc link{\textquoteright}of the IMC through an inductive link, and is connected to the SG with shunt and series connections, allowing for the compensation of current-and voltage-related Power Quality (PQ) issues, respectively, for the sensitive loads and the SG connection. A direct sliding mode-based controller is proposed to guarantee nearly sinusoidal currents in the connection to the SG, and sinusoidal voltages guaranteeing compliance with international standards, when supplying the sensitive loads. Additionally, a novel control approach for thedc link{\textquoteright}voltage is synthesised to allow for the control of both the PV array current and the power flow to the SG. To guarantee the semiconductors safe commutation an asynchronous commutation strategy is derived. Simulation and experimental results show that the proposed system significantly improves PQ in the SG, minimizing the total harmonic distortion of the currents injected in the SG, and guaranteeing the quality of the voltage supplied to the sensitive loads, even in the occurrence of voltage sags or overvoltages.",

keywords = "Indirect Matrix Converter, photovoltaic systems, Power Quality, Smart Grids, sliding mode control, Unified Power Quality Conditioner",

author = "Thomas Geury and Sonia Pinto and Johan Gyselinck and Patrick Wheeler",

note = "Funding Information: ETEC Department and MOBI Research Group, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium INESC-ID, Energy Systems, Power Electronics and Power Quality Group, Instituto Superior T{\'e}cnico, University of Lisbon, 1000-029 Lisbon , Portugal; [email protected] BEAMS Energy Group, {\'E}cole polytechnique de Bruxelles, Universit{\'e} Libre de Bruxelles, 1050 Brussels, Belgium; [email protected] Department of Electrical and Electronic Engineering, The University of Nottingham, Nottingham NG7 2QL, UK; [email protected] Correspondence: [email protected]; Tel.: +32-2-629-3638 This work was supported by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.) and by national funds through Funda{\c c}{\~a}o para a Ci{\^e}ncia e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017. Funding Information: Funding: This research project was funded by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.). This work was supported by national funds through Funda{\c c}{\~a}o para a Ci{\^e}ncia e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017. Funding Information: This research project was funded by the Belgian Fund for training in Research in Industry and in Agriculture (F.R.I.A.). This work was supported by national funds through Funda??o para a Ci?ncia e a Tecnologia, with project references UID/CEC/50021/2019 and PTDC/EEIEE/32550/2017. Publisher Copyright: {\textcopyright} 2020 by the authors. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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doi = "10.3390/en13205405",

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N2 - This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in thedc link’of the IMC through an inductive link, and is connected to the SG with shunt and series connections, allowing for the compensation of current-and voltage-related Power Quality (PQ) issues, respectively, for the sensitive loads and the SG connection. A direct sliding mode-based controller is proposed to guarantee nearly sinusoidal currents in the connection to the SG, and sinusoidal voltages guaranteeing compliance with international standards, when supplying the sensitive loads. Additionally, a novel control approach for thedc link’voltage is synthesised to allow for the control of both the PV array current and the power flow to the SG. To guarantee the semiconductors safe commutation an asynchronous commutation strategy is derived. Simulation and experimental results show that the proposed system significantly improves PQ in the SG, minimizing the total harmonic distortion of the currents injected in the SG, and guaranteeing the quality of the voltage supplied to the sensitive loads, even in the occurrence of voltage sags or overvoltages.

AB - This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in thedc link’of the IMC through an inductive link, and is connected to the SG with shunt and series connections, allowing for the compensation of current-and voltage-related Power Quality (PQ) issues, respectively, for the sensitive loads and the SG connection. A direct sliding mode-based controller is proposed to guarantee nearly sinusoidal currents in the connection to the SG, and sinusoidal voltages guaranteeing compliance with international standards, when supplying the sensitive loads. Additionally, a novel control approach for thedc link’voltage is synthesised to allow for the control of both the PV array current and the power flow to the SG. To guarantee the semiconductors safe commutation an asynchronous commutation strategy is derived. Simulation and experimental results show that the proposed system significantly improves PQ in the SG, minimizing the total harmonic distortion of the currents injected in the SG, and guaranteeing the quality of the voltage supplied to the sensitive loads, even in the occurrence of voltage sags or overvoltages.

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KW - Unified Power Quality Conditioner

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Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids

Abstract

Bibliographical note

Keywords

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