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Modeling of high step-up converter in closed loop for renewable energy applications

Author

Listed:
  • R. Nagaraj

    (BARC Facilities)

  • D. Thiruganamurthy

    (IGCAR)

  • Manik Murthy Rajput

    (BARC Facilities)

Abstract

A majority of small-scale renewable energy sources including the solar PV modules, fuel cells gives out output voltage in the range of around 15–40 V DC. This needs to be stepped up to suit load requirements using a high voltage gain converter. Since renewable sources inherently generate sudden variations in input voltage, a good output voltage profile even during such random variations in input conditions is essential. This paper presents modeling of a high step-up converter configuration with closed loop control. The converter topology is designed to operate with moderate duty ratios and the simple coupled inductor. The converter is capable of high step-up and can find application in solar PV systems. The controller response is good with low steady state error and required dynamics. The modeling and simulation is carried out using MATLAB/Simulink software package.

Suggested Citation

  • R. Nagaraj & D. Thiruganamurthy & Manik Murthy Rajput, 2017. "Modeling of high step-up converter in closed loop for renewable energy applications," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 19(6), pages 2475-2485, December.
    • Handle: RePEc:spr:endesu:v:19:y:2017:i:6:d:10.1007_s10668-016-9866-8
    DOI: 10.1007/s10668-016-9866-8
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