VSG Control Applied to Seven-Level PV Inverter for Partial Shading Impact Abatement

Tiago H. de A. Mateus (), José A. Pomilio, Ruben B. Godoy and João O. P. Pinto
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Tiago H. de A. Mateus: Faculty of Engineering, Architecture and Urbanism and Geography, Federal University of Mato Grosso do Sul, Cidade Universitária, Campo Grande 79070-900, MS, Brazil
José A. Pomilio: School of Electrical Engineering and Computer Science, UNICAMP-University of Campinas, Av. Albert Einstein, 400, Cidade Universitária, Campinas 13083-852, SP, Brazil
Ruben B. Godoy: Faculty of Engineering, Architecture and Urbanism and Geography, Federal University of Mato Grosso do Sul, Cidade Universitária, Campo Grande 79070-900, MS, Brazil
João O. P. Pinto: Oak Ridge National Laboratory, 2360 Cherahala Blvd Knoxville, Oak Ridge, TN 37932, USA

Energies, 2022, vol. 15, issue 17, 1-14

Abstract: This paper describes the use of a Cascaded H-Bridge Multilevel Inverter to deal with the problem of partial shading in a photovoltaic system connected to the grid. Combined with the topology, it proposes the use of a virtual synchronous generator for power sharing between photovoltaic arrays and to ensure the connection to the power grid even in extreme shading situations with no power buffer. The experimental results demonstrate the feasibility of the strategy adopted and the limitations to overcome.

Keywords: partial shading; cascaded multilevel inverter; droop control; active power transfer (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: 2022
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