This paper presents a low-voltage ride-through technique for large-scale grid tied photo-voltaic converters using instantaneous power theory. . For smooth operation during contingencies, the grid code mandates Low Voltage Ride-Through (LVRT) operation of the inverter, requiring it to remain connected for a stipulated duration and provide necessary support to the grid. In this article, an Instantaneous Power Theory-Fuzzy Intelligent. . Grid-connected PV inverters (GCPI) are key components that enable photovoltaic (PV) power generation to interface with the grid. Their control performance directly influences system stability and grid connection quality.
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