A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control

A.H. Azad; H. Shateri; T. Dragičević; C. Zhang

doi:10.1109/PRECEDE51386.2021.9681016

A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control

A.H. Azad, H. Shateri, T. Dragičević, C. Zhang

Arak University of Technology

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

This paper presented a distinct control strategy for a grid-connected PV system. The proposed control strategy includes a Beta algorithm for maximizing power extraction, an optimum PI controller for controlling the boost converter, and direct power control (DPC) based on modified sliding mode control (SMC) for controlling a three-phase grid-connected inverter. The proposed controller not only solves the issues of conventional DPC and SMC controllers (chattering of control input and variable frequency response), it also establishes a practical path for designing a robust controller in PV systems. On system parameter uncertainty and mismatch uncertainties, the proposed controller performs well. The proposed controller eliminates the necessity of any additional current control loops, resulting in a more straightforward system design and control process and a faster transient response.

Original language	English
Title of host publication	Proceedings of 2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics
Publisher	IEEE
Publication date	22 Nov 2021
Pages	753-758
Article number	9681016
ISBN (Print)	978-1-6654-2558-2
DOIs	https://doi.org/10.1109/PRECEDE51386.2021.9681016
Publication status	Published - 22 Nov 2021
Event	6^th IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics - InterContinental Jinan City Center, Jinan, China Duration: 20 Nov 2021 → 22 Nov 2021 Conference number: 6 http://www.precede2021.com/

Conference

Conference	6^th IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics
Number	6
Location	InterContinental Jinan City Center
Country/Territory	China
City	Jinan
Period	20/11/2021 → 22/11/2021
Internet address	http://www.precede2021.com/

Keywords

Uncertain systems
Transient response
Uncertainty
Simulation
Power control
Stability analysis
Robustness

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Azad, A. H., Shateri, H., Dragičević, T., & Zhang, C. (2021). A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control. In Proceedings of 2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics (pp. 753-758). Article 9681016 IEEE. https://doi.org/10.1109/PRECEDE51386.2021.9681016

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abstract = "This paper presented a distinct control strategy for a grid-connected PV system. The proposed control strategy includes a Beta algorithm for maximizing power extraction, an optimum PI controller for controlling the boost converter, and direct power control (DPC) based on modified sliding mode control (SMC) for controlling a three-phase grid-connected inverter. The proposed controller not only solves the issues of conventional DPC and SMC controllers (chattering of control input and variable frequency response), it also establishes a practical path for designing a robust controller in PV systems. On system parameter uncertainty and mismatch uncertainties, the proposed controller performs well. The proposed controller eliminates the necessity of any additional current control loops, resulting in a more straightforward system design and control process and a faster transient response.",

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Azad, AH, Shateri, H, Dragičević, T & Zhang, C 2021, A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control. in Proceedings of 2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics., 9681016, IEEE, pp. 753-758, 6^th IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics, Jinan, China, 20/11/2021. https://doi.org/10.1109/PRECEDE51386.2021.9681016

A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control. / Azad, A.H.; Shateri, H.; Dragičević, T. et al.
Proceedings of 2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics. IEEE, 2021. p. 753-758 9681016.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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N2 - This paper presented a distinct control strategy for a grid-connected PV system. The proposed control strategy includes a Beta algorithm for maximizing power extraction, an optimum PI controller for controlling the boost converter, and direct power control (DPC) based on modified sliding mode control (SMC) for controlling a three-phase grid-connected inverter. The proposed controller not only solves the issues of conventional DPC and SMC controllers (chattering of control input and variable frequency response), it also establishes a practical path for designing a robust controller in PV systems. On system parameter uncertainty and mismatch uncertainties, the proposed controller performs well. The proposed controller eliminates the necessity of any additional current control loops, resulting in a more straightforward system design and control process and a faster transient response.

AB - This paper presented a distinct control strategy for a grid-connected PV system. The proposed control strategy includes a Beta algorithm for maximizing power extraction, an optimum PI controller for controlling the boost converter, and direct power control (DPC) based on modified sliding mode control (SMC) for controlling a three-phase grid-connected inverter. The proposed controller not only solves the issues of conventional DPC and SMC controllers (chattering of control input and variable frequency response), it also establishes a practical path for designing a robust controller in PV systems. On system parameter uncertainty and mismatch uncertainties, the proposed controller performs well. The proposed controller eliminates the necessity of any additional current control loops, resulting in a more straightforward system design and control process and a faster transient response.

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KW - Transient response

KW - Uncertainty

KW - Simulation

KW - Power control

KW - Stability analysis

KW - Robustness

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A Novel Robust Control Strategy For Grid-Connected PV Systems Based On Modified Direct Power Control

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