Single Phase Transformerless Grid-Tied Inverter with Maximum Power Point Tracking for Solar Photovoltaic Roof-Top Systems

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Published Dec 20, 2013
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Volume 9, Issue 4, December 2013

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K. J. Shruthi
Energy efficiency and Renewable Energy Division (ERED), Central Power Research Institute, Bangalore-560080
Rajashekar P. Mandi
Energy efficiency and Renewable Energy Division (ERED), Central Power Research Institute, Bangalore-560080
Pradeep K.
Energy efficiency and Renewable Energy Division (ERED), Central Power Research Institute, Bangalore-560080
C. Viswanatha
Diagnostics Cables and Capacitors Division (DCCD), Central Power Research Institute, Bangalore-560080
Kini P. Giridhar
Professor, Electrical and Electronics Engineering Dept., Manipal Institute of Technology, Manipal

Abstract

The key requirements for the control of the solar photovoltaic (SPV) energy conversion systems are to achieve very fast yet quite accurate tracking of the maximum power point under rapidly changing environmental conditions and to obtain efficient unperturbed tracking operation under steady environmental conditions. In this work, a high-performance Maximum Power Point Tracking (MPPT) technique, based on one cycle control (OCC), is proposed to meet these challenging requirements. This paper proposes single phase z-source inverter with maximum power point tracking using OCC for solar photovoltaic power generation. OCC is based on output current adjustment according to the voltage of photovoltaic array so as to extract the maximum power from it. A 1 kW grid-tied roof-top system is designed using the OCC method for MPP. Analysis & simulation using MATLAB tool, is carried out to validate the proposed technique.

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How to Cite
Shruthi, K. J., Mandi, R. P., K., P., Viswanatha, C., & Giridhar, K. P. (2013). Single Phase Transformerless Grid-Tied Inverter with Maximum Power Point Tracking for Solar Photovoltaic Roof-Top Systems. Power Research - A Journal of CPRI, 9(4), 565–574. Retrieved from https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/865

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