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Coming with the reliability enhancement and the life extension for the Photovoltaic (PV) inverters modules, diagnostic techniques will be required to derive signature identification. The reliable operation of PV inverter is very crucial to get the highest performance for the long term. A new Smart Inverter Robustness Index (SIRI) is used for verifying the performance and robustness of the grid-tied...
This paper analyzes the impact of current sensing inaccuracies due to aging and ambient condition variations on robust operation of PV inverter systems. A novel index for analyzing the robustness of grid-tied AC-stacked PV inverter architectures has been used, which provides an opportunity for comprehensive robustness evaluation by considering four major operational characteristics of grid-tied PV...
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