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

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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.

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Authors and Affiliations

  1. NDDP, BARC Facilities, Kalpakkam, 603 102, India

    R. Nagaraj & Manik Murthy Rajput

  2. EID, IGCAR, Kalpakkam, 603 102, India

    D. Thiruganamurthy

Authors
  1. R. Nagaraj
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  2. D. Thiruganamurthy
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  3. Manik Murthy Rajput
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Correspondence to R. Nagaraj.

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Nagaraj, R., Thiruganamurthy, D. & Rajput, M.M. Modeling of high step-up converter in closed loop for renewable energy applications. Environ Dev Sustain 19, 2475–2485 (2017). https://doi.org/10.1007/s10668-016-9866-8

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  • DOI: https://doi.org/10.1007/s10668-016-9866-8

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