Multilevel Inverter Topologies for Stand-Alone PV Systems

This paper shows that versatile stand-alone photovoltaic (PV) systems still demand on at least one battery inverter with improved characteristics of robustness and efficiency, which can be achieved using multilevel topologies. A compilation of the most common topologies of multilevel converters is p...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2008-07, Vol.55 (7), p.2703-2712
Main Authors: Daher, S., Schmid, J., Antunes, F.L.M.
Format: Article
Language:English
Subjects:
Batteries
Battery
Circuit topology
Industrial electronics
Inverters
Marketing
Multilevel
Multilevel inverter
Photovoltaic systems
Power semiconductor switches
Power system reliability
renewable energy (RE)
Renewable energy resources
Robustness
Solar cells
Solar power generation
stand-alone photovoltaic (PV) system
Topology
Voltage
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Summary:This paper shows that versatile stand-alone photovoltaic (PV) systems still demand on at least one battery inverter with improved characteristics of robustness and efficiency, which can be achieved using multilevel topologies. A compilation of the most common topologies of multilevel converters is presented, and it shows which ones are best suitable to implement inverters for stand-alone applications in the range of a few kilowatts. As an example, a prototype of 3 kVA was implemented, and peak efficiency of 96.0% was achieved.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2008.922601