Current Source Inverter (CSI) Power Converters in Photovoltaic Systems: A Comprehensive Review of Performance, Control, and Integration

Fabrizio Marignetti (), Roberto Luigi Di Stefano, Guido Rubino and Roberto Giacomobono
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Fabrizio Marignetti: Department of Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy
Roberto Luigi Di Stefano: Department of Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy
Guido Rubino: Department of Astronautical, Electrical and Energy Engineering, Sapienza University of Rome, 00184 Rome, Italy
Roberto Giacomobono: Department of Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy

Energies, 2023, vol. 16, issue 21, 1-30

Abstract: Grid converters play a central role in renewable energy conversion. Among all inverter topologies, the current source inverter (CSI) provides many advantages and is, therefore, the focus of ongoing research. This review demonstrates how CSIs can play a pivotal role in ensuring the seamless conversion of solar-generated energy with the electricity grid, thereby facilitating stable and reliable integration. This study extensively investigates various categories of single-stage CSI photovoltaic inverters, categorizing them into two-level, three-level, and multi-level architectures. Furthermore, these inverters are classified based on construction attributes, power factor, and total harmonic distortion values to assess their compliance with the standards, such as IEEE 1547 and IEC 61727. This review also delves into diverse control strategies for seamless grid integration. This comprehensive assessment serves as a resource for researchers in the field, enabling them to effectively choose the most suitable CSI for their specific applications. Additionally, it offers a quick reference point to steer research endeavors toward refining the integration of CSIs within photovoltaic systems.

Keywords: current source inverter; photovoltaic; power conversion; solar photovoltaic systems; transformerless; renewable energy systems; earth leakage current; pulse width modulation; maximum power point tracker; sliding mode; grid-connected PV system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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