Transformer-less photovoltaic (PV) inverters specifically designed to achieve high efficiency shall also comply with leakage current limits, low current harmonic distortion and reactive power handling capability. This paper aims at benchmarking some recently published or patented topologies with the most successful industrial products and it offers a complete trends scenario and a critical comparison. The performances are evaluated in terms of efficiency, common-mode voltage, leakage current, power quality, reactive power handling capability, size of the grid filter and power converter rating.
Transformer-less photovoltaic (PV) inverters: a critical comparison / Poliseno MC; Mastromauro R; Liserre M. - ELETTRONICO. - (2012), pp. 3438-3445. (Intervento presentato al convegno IEEE Energy Conversion Congress and Exposition ECCE 2012 tenutosi a Raleigh, NC, USA nel 15-20 September 2012) [10.1109/ECCE.2012.6342323].
Transformer-less photovoltaic (PV) inverters: a critical comparison
MASTROMAURO, ROSA ANNA;
2012
Abstract
Transformer-less photovoltaic (PV) inverters specifically designed to achieve high efficiency shall also comply with leakage current limits, low current harmonic distortion and reactive power handling capability. This paper aims at benchmarking some recently published or patented topologies with the most successful industrial products and it offers a complete trends scenario and a critical comparison. The performances are evaluated in terms of efficiency, common-mode voltage, leakage current, power quality, reactive power handling capability, size of the grid filter and power converter rating.
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