A Novel High Step-Up DC–DC Converter for a Microgrid System

  title={A Novel High Step-Up DC–DC Converter for a Microgrid System},
  author={Yi-Ping Hsieh and Jiann-Fuh Chen and Tsorng-Juu Liang and Lung-Sheng Yang},
  journal={IEEE Transactions on Power Electronics},
A novel high step-up dc-dc converter for a distributed generation system is proposed in this paper. The concept is composed of two capacitors, two diodes, and one coupled inductor. Two capacitors are charged in parallel, and are discharged in series by the coupled inductor. Thus, high step-up voltage gain can be achieved with an appropriate duty ratio. The voltage stresses on the main switch and output diode are reduced by a passive clamp circuit. Therefore, low resistance R for the main switch… CONTINUE READING
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