A Novel Modified Control Scheme in Grid-Tied Photovoltaic System for Power Quality Enhancement

Narendra P. Babu; Josep M. Guerrero; Pierluigi Siano; Rangababu Peesapati; Gayadhar Panda

doi:10.1109/TIE.2020.3031529

A Novel Modified Control Scheme in Grid-Tied Photovoltaic System for Power Quality Enhancement

Narendra P. Babu^*, Josep M. Guerrero, Pierluigi Siano, Rangababu Peesapati, Gayadhar Panda

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

In this article, a modified reduced order generalized integrator-based frequency-locked loop (MROGI-FLL) is proposed for controlling the interfacing inverter of the grid-tied photovoltaic system to mitigate the harmonics. Additionally, a fuzzy tuned PID controller is integrated in the proposed scheme to minimize the steady-state error, which results the voltage level is maintained constant at the common dc-link bus terminals. The MROGI-FLL is designed to evaluate the three-phase reference currents by extracting the fundamental constituents from the load currents and grid voltages. The proposed MROGI-FLL has several advantages such as better harmonic mitigation capability, control adaptivity, adaptive frequency and phase, grid synchronization, and low computation burden. The proposed reference current generator is simulated on MATLAB/Simulink platform under steady state and various transient conditions.The comparative study of proposed scheme is compared with the existing and adaptive control techniques, which assures the potency of the proposed control algorithm in-terms of harmonic mitigation, dc-offset rejection, frequency variation, and computation burden. Finally, the experimental results are verified through an experimental platform by using the dSPACE evaluation kit and both the simulation and hardware characteristics are well justified to the IEEE-519 standard limits.

Original language	English
Article number	9234676
Journal	IEEE Transactions on Industrial Electronics
Volume	68
Issue number	11
Pages (from-to)	11100-11110
Number of pages	11
ISSN	0278-0046
DOIs	https://doi.org/10.1109/TIE.2020.3031529
Publication status	Published - Nov 2021

Bibliographical note

Funding Information:
Manuscript received July 5, 2020; revised September 10, 2020; accepted October 4, 2020. Date of publication October 21, 2020; date of current version July 19, 2021. This work was supported in part by the RECTPCL-CSR Funded Project under Grant RECTPCL/CSR/2016-17/693 and in part by VILLUM FONDEN under the VILLUM Investigator Grant 25920: Center for Research on Microgrids (CROM); www.crom.et.aau.dk. (Corresponding author: Narendra Babu P.) Narendra Babu P and Gayadhar Panda are with the Department of Electrical Engineering, National Institute of Technology Meghalaya, Shillong 793003, India (e-mail: narem.perumal@nitm.ac.in; gayadhar.panda@nitm.ac.in).

Publisher Copyright:
© 1982-2012 IEEE.

Keywords

Active power filter (APL)
frequency-locked loop (FLL)
fuzzy tuned PID (FPID)
modified reduced order generalized integrator (MROGI)
photovoltaic (PV) system
power quality
reduced order generalized integrator (ROGI)
THD

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title = "A Novel Modified Control Scheme in Grid-Tied Photovoltaic System for Power Quality Enhancement",

abstract = "In this article, a modified reduced order generalized integrator-based frequency-locked loop (MROGI-FLL) is proposed for controlling the interfacing inverter of the grid-tied photovoltaic system to mitigate the harmonics. Additionally, a fuzzy tuned PID controller is integrated in the proposed scheme to minimize the steady-state error, which results the voltage level is maintained constant at the common dc-link bus terminals. The MROGI-FLL is designed to evaluate the three-phase reference currents by extracting the fundamental constituents from the load currents and grid voltages. The proposed MROGI-FLL has several advantages such as better harmonic mitigation capability, control adaptivity, adaptive frequency and phase, grid synchronization, and low computation burden. The proposed reference current generator is simulated on MATLAB/Simulink platform under steady state and various transient conditions.The comparative study of proposed scheme is compared with the existing and adaptive control techniques, which assures the potency of the proposed control algorithm in-terms of harmonic mitigation, dc-offset rejection, frequency variation, and computation burden. Finally, the experimental results are verified through an experimental platform by using the dSPACE evaluation kit and both the simulation and hardware characteristics are well justified to the IEEE-519 standard limits.",

keywords = "Active power filter (APL), frequency-locked loop (FLL), fuzzy tuned PID (FPID), modified reduced order generalized integrator (MROGI), photovoltaic (PV) system, power quality, reduced order generalized integrator (ROGI), THD",

author = "Babu, {Narendra P.} and Guerrero, {Josep M.} and Pierluigi Siano and Rangababu Peesapati and Gayadhar Panda",

note = "Funding Information: Manuscript received July 5, 2020; revised September 10, 2020; accepted October 4, 2020. Date of publication October 21, 2020; date of current version July 19, 2021. This work was supported in part by the RECTPCL-CSR Funded Project under Grant RECTPCL/CSR/2016-17/693 and in part by VILLUM FONDEN under the VILLUM Investigator Grant 25920: Center for Research on Microgrids (CROM); www.crom.et.aau.dk. (Corresponding author: Narendra Babu P.) Narendra Babu P and Gayadhar Panda are with the Department of Electrical Engineering, National Institute of Technology Meghalaya, Shillong 793003, India (e-mail: narem.perumal@nitm.ac.in; gayadhar.panda@nitm.ac.in). Publisher Copyright: {\textcopyright} 1982-2012 IEEE.",

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doi = "10.1109/TIE.2020.3031529",

language = "English",

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T1 - A Novel Modified Control Scheme in Grid-Tied Photovoltaic System for Power Quality Enhancement

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AU - Guerrero, Josep M.

AU - Siano, Pierluigi

AU - Peesapati, Rangababu

AU - Panda, Gayadhar

N1 - Funding Information: Manuscript received July 5, 2020; revised September 10, 2020; accepted October 4, 2020. Date of publication October 21, 2020; date of current version July 19, 2021. This work was supported in part by the RECTPCL-CSR Funded Project under Grant RECTPCL/CSR/2016-17/693 and in part by VILLUM FONDEN under the VILLUM Investigator Grant 25920: Center for Research on Microgrids (CROM); www.crom.et.aau.dk. (Corresponding author: Narendra Babu P.) Narendra Babu P and Gayadhar Panda are with the Department of Electrical Engineering, National Institute of Technology Meghalaya, Shillong 793003, India (e-mail: narem.perumal@nitm.ac.in; gayadhar.panda@nitm.ac.in). Publisher Copyright: © 1982-2012 IEEE.

PY - 2021/11

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N2 - In this article, a modified reduced order generalized integrator-based frequency-locked loop (MROGI-FLL) is proposed for controlling the interfacing inverter of the grid-tied photovoltaic system to mitigate the harmonics. Additionally, a fuzzy tuned PID controller is integrated in the proposed scheme to minimize the steady-state error, which results the voltage level is maintained constant at the common dc-link bus terminals. The MROGI-FLL is designed to evaluate the three-phase reference currents by extracting the fundamental constituents from the load currents and grid voltages. The proposed MROGI-FLL has several advantages such as better harmonic mitigation capability, control adaptivity, adaptive frequency and phase, grid synchronization, and low computation burden. The proposed reference current generator is simulated on MATLAB/Simulink platform under steady state and various transient conditions.The comparative study of proposed scheme is compared with the existing and adaptive control techniques, which assures the potency of the proposed control algorithm in-terms of harmonic mitigation, dc-offset rejection, frequency variation, and computation burden. Finally, the experimental results are verified through an experimental platform by using the dSPACE evaluation kit and both the simulation and hardware characteristics are well justified to the IEEE-519 standard limits.

AB - In this article, a modified reduced order generalized integrator-based frequency-locked loop (MROGI-FLL) is proposed for controlling the interfacing inverter of the grid-tied photovoltaic system to mitigate the harmonics. Additionally, a fuzzy tuned PID controller is integrated in the proposed scheme to minimize the steady-state error, which results the voltage level is maintained constant at the common dc-link bus terminals. The MROGI-FLL is designed to evaluate the three-phase reference currents by extracting the fundamental constituents from the load currents and grid voltages. The proposed MROGI-FLL has several advantages such as better harmonic mitigation capability, control adaptivity, adaptive frequency and phase, grid synchronization, and low computation burden. The proposed reference current generator is simulated on MATLAB/Simulink platform under steady state and various transient conditions.The comparative study of proposed scheme is compared with the existing and adaptive control techniques, which assures the potency of the proposed control algorithm in-terms of harmonic mitigation, dc-offset rejection, frequency variation, and computation burden. Finally, the experimental results are verified through an experimental platform by using the dSPACE evaluation kit and both the simulation and hardware characteristics are well justified to the IEEE-519 standard limits.

KW - Active power filter (APL)

KW - frequency-locked loop (FLL)

KW - fuzzy tuned PID (FPID)

KW - modified reduced order generalized integrator (MROGI)

KW - photovoltaic (PV) system

KW - power quality

KW - reduced order generalized integrator (ROGI)

KW - THD

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U2 - 10.1109/TIE.2020.3031529

DO - 10.1109/TIE.2020.3031529

M3 - Journal article

AN - SCOPUS:85104999117

SN - 0278-0046

VL - 68

SP - 11100

EP - 11110

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 11

M1 - 9234676

ER -

A Novel Modified Control Scheme in Grid-Tied Photovoltaic System for Power Quality Enhancement

Abstract

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Keywords

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