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

R. Nagaraj (), D. Thiruganamurthy () and Manik Murthy Rajput ()
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R. Nagaraj: BARC Facilities
D. Thiruganamurthy: IGCAR
Manik Murthy Rajput: BARC Facilities

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2017, vol. 19, issue 6, No 18, 2475-2485

Abstract: 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.

Keywords: PV module; Coupled inductor; Single switch; DC–DC power convertors; PI controller (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s10668-016-9866-8

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