In photovoltaic applications, a DC-DC converter is required to increase the output voltage of the photovoltaic system. In this paper, a new extended SEPIC converter with the capability of high voltage gain for photovoltaic applications is introduced. The proposed topology includes an extended switched-capacitor converter along with one SEPIC converter. The extended switched-capacitor converter operates with a constant conversion gain while the SEPIC converter is controlled by the Duty Cycle to extract maximum power from PV panel. Reduction of the number of power switches and capacitors are the most advantages of the proposed topology. Also, the input current of proposed topology is continuous which is suitable for PV applications. Finally, the performance of the proposed converter is verified by simulating in the PSCAD/EMTDC simulation software.
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