M. Gradzki

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The paper describes the performance of the grid-connected 1-kW PV system installed on a grammar school in Poland after three years of operation. The PV system is fully monitored according to guidelines of standard IEC 61724. Energy production in the first year was about 740 kWh. In the second year the energy production was about 680 kWh and in the third 645(More)
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