SOGI Algorithm-Based Shunt Active Power Filter for Grid Integration of Photovoltaic Systems

In this paper, photovoltaic (PV) system interfaced single-phase shunt active power filter (SAPF) is proposed to supply uninterrupted and clean power to small-scale industries and domestic customers. The second-order generalized integrator (SOGI) is employed to extract the reference current of PV-SAP...

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Bibliographic Details
Published inJournal of circuits, systems, and computers Vol. 25; no. 5; p. 1650046
Main Authors Manimekalai, P., Harikumar, R., Raghavan, S.
Format Journal Article
LanguageEnglish
Published Singapore World Scientific Publishing Company 01.05.2016
World Scientific Publishing Co. Pte., Ltd
Subjects
Algorithms
Computer simulation
Control algorithms
Control theory
Converters
Electric potential
Electrical measurement
Energy storage
Load
Phase distribution
Photovoltaic cells
Sensors
Solar cells
Topology
photovoltaic system
total harmonic distortion
second-order generalized integrator
DC–DC converter
Shunt active power filter
Online AccessGet full text
ISSN0218-1266
1793-6454
DOI10.1142/S0218126616500468

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Summary:In this paper, photovoltaic (PV) system interfaced single-phase shunt active power filter (SAPF) is proposed to supply uninterrupted and clean power to small-scale industries and domestic customers. The second-order generalized integrator (SOGI) is employed to extract the reference current of PV-SAPF. The proposed topology does not need voltage measurement and sensors on both the AC and DC side, just two current sensors are accustomed to measure converter and load currents. To be able to acquire an accurate reference source current, the distorted load is only processed through the SOGI control algorithm which does not need voltage-related information. The PV interfaced SAPF mainly is used for sustainable compensation of current disturbances and voltage interruption of the single-phase distribution system. The proposed topology utilizes the PV energy with an energy storage unit to meet the active power requirement of the utility grid. Besides, it exports the power generated in the PV system to the load during unavailability of grid supply. The PV-SAPF system subject to different types of loads can assess the performance of the system under steady-state and dynamic conditions. To validate the effectiveness of the proposed controller for PV interfaced SAPF, the simulation and experimental results are presented.
Bibliography:This paper was recommended by Regional Editor Piero Malcovati.
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ISSN:0218-1266
1793-6454
DOI:10.1142/S0218126616500468