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In this paper, a cost-effective control scheme for two-stage grid-connected PhotoVoltaic (PV) systems in Low Voltage Ride-Through (LVRT) operation is proposed. In the case of LVRT, the active power injection by PV panels should be limited to prevent from inverter over-current and also energy aggregation at the dc-link, which will challenge the dc-link capacitor lifetime if remains uncontrolled. At...
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