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A Novel Clamp-Mode Coupled-Inductor Boost Converter with High Step-Up Voltage Gain

  • Tattiwong, Kaweewat (Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang) ;
  • Bunlaksananusorn, Chanin (Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang)
  • Received : 2016.07.25
  • Accepted : 2016.12.15
  • Published : 2017.03.01

Abstract

In this paper, a new coupled inductor DC-DC converter with a high step-up voltage gain is proposed. It is developed from a clamp-mode coupled-inductor boost converter by incorporating an additional capacitor and diode. The proposed converter is able to achieve the higher voltage gain, while still retaining the switch voltage clamp property of its predecessor. In the paper, operation and analysis of the proposed converter are described. Experimental results from a prototype converter are presented to verify the validity of the analysis. The prototype circuit attains the highest efficiency of 92.8%.

Keywords

High step-up gain DC-DC converters;Clamp-mode coupled-inductor boost converter;DC-DC converter analysis

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