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In this paper, a high gain single-stage buck-boost grid-connected system is proposed. The proposed system consists of a high voltage gain - high efficiency - switched inductor buck-boost converter (SIBBC) and a folded cascade H-bridge inverter. The proposed converter switch is derived with a sinusoidal modulation, so that the converter output voltage is a rectified sine wave which requires only a...
In this paper, a single stage buck-boost inverter is proposed for grid connected PV system with a very high voltage gain. The proposed inverter not only boosts DC output voltage of the PV module but also converts it into AC voltage which is required for grid connection. Discontinuous conduction mode (DCM) is employed to achieve unity power factor with the grid voltage and a maximum power point tracking...
This paper proposes a simple technique to get maximum power of wind energy conversion system (WECS) without using sensors for wind and rotor speed of the permanent magnet synchronous generator (PMSG). It uses the measurements of DC current and DC voltage to obtain maximum power point tracking (MPPT) by controlling the duty cycle of the DC-DC boost converter switch. Moreover, a PI control is employed...
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