Multilevel converters for single-phase grid connected photovoltaic systems: an overview

Martina Calais; Vassilios G. Agelidis; Mike Meinhardt

doi:10.1016/S0038-092X(99)00035-3

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Multilevel converters for single-phase grid connected photovoltaic systems: an overview

Journal article

Peer reviewed

Multilevel converters for single-phase grid connected photovoltaic systems: an overview

Martina Calais, Vassilios G. Agelidis and Mike Meinhardt

Solar energy, Vol.66(5), pp.325-335

1999

DOI: https://doi.org/10.1016/S0038-092X(99)00035-3

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Abstract

Multilevel voltage source inverters offer several advantages compared to their conventional counterparts. By synthesising the AC output terminal voltage from several levels of DC voltages, staircase waveforms can be produced, which approach the sinusoidal waveform with low harmonic distortion, thus reducing filter requirements. The need of several sources on the DC side of the converter makes multilevel technology attractive for photovoltaic applications. This paper provides an overview on different multilevel topologies and investigates their suitability for single-phase grid connected photovoltaic systems. Several transformerless photovoltaic systems incorporating multilevel converters are compared regarding issues such as component count and stress, system power rating and the influence of the photovoltaic array earth capacitance.

Details

Title: Multilevel converters for single-phase grid connected photovoltaic systems: an overview
Authors/Creators: Martina Calais - Curtin University
Vassilios G. Agelidis - Curtin University
Mike Meinhardt - PEI Technologies, National Microelectronics Research Centre (NMRC), Lee Maltings, Cork, Ireland
Publication Details: Solar energy, Vol.66(5), pp.325-335
Publisher: Elsevier Ltd
Identifiers: 991005560458807891
Copyright: © 1999 Elsevier Science
Murdoch Affiliation: Centre for Water, Energy and Waste
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 4 Electrical Engineering, Electronics & Computer Science; 4.18 Power Systems & Electric Vehicles; 4.18.101 Power Quality
Web Of Science research areas: Energy & Fuels
ESI research areas: Engineering