J. Muñoz, F. Martínez-Moreno and E. Lorenzo On-site characterisation and energy efficiency of grid-connected PV inverters Progress in Photovoltaics: Research and Applications 19
This paper describes an on-site testing procedure for assessing the power efficiency of an inverter and the results obtained for 13 inverters with nominal powers between 3.3 and 350 kW. The inverters were tested in PV grid-connected systems whose aggregate power capacity is nearly 150 MW. The energy efficiency of the inverters tested was also calculated yearly, and the results were compared with both European and Californian energy efficiency parameters, which are widely used in the current PV market.
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