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This paper presents a high-efficiency grid-connected photovoltaic (PV) module integrated converter (MIC) system. The proposed PV MIC system consists of a high step-up dc-dc converter and a single-phase full-bridge dc-ac inverter. A flyback dc-dc converter with a high step-up ratio is proposed to convert the low PV module voltage into a high dc-link voltage. The full-bridge inverter performs the maximum...
This paper investigates the interactions which arise between grid connected photovoltaic inverter systems and the electrical grid. In particular, it considers the effect of grid voltage harmonics and grid impedance on the current control performance of grid connected inverter systems. In these photovoltaic inverter systems it is usual to control unity power factor, sinusoidal, current into the grid...
This paper investigates a predictive control strategy for a single-phase PFC rectifier exploiting the Sheppard-Taylor converter. By using this converter, the detuning problem occurring in conventional PFC rectifiers, especially at low input voltages, is avoided. This paper addresses a predictive method for designing the current controller of the Sheppard-Taylor PFC converter. The control law is derived...
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