DC-to-DC Converter with Low Input Current Ripple for Maximum Photovoltaic Power Extraction

Ahmad Elkhateb; Nasrudin Abd Rahim; Jeyraj Selvaraj; Barry W Williams

doi:10.1109/TIE.2014.2383999

DC-to-DC Converter with Low Input Current Ripple for Maximum Photovoltaic Power Extraction

Ahmad Elkhateb, Nasrudin Abd Rahim, Jeyraj Selvaraj, Barry W Williams

School of Electronics, Electrical Engineering and Computer Science

Research output: Contribution to journal › Article › peer-review

136 Citations (Scopus)

Abstract

This paper presents a dc-to-dc converter, which offers continuous input and output energy flow and low input current ripple, applicable and mandatory for photovoltaic (PV) arrays and maximum power tracking applications. The PV array yields exponential curves for current and voltage where maximum power occurs at the curve's mutual knee. Conventional dc-to-dc converters have a relatively high input current ripple which causes high power losses when connected to nonlinear sources like PV arrays. The proposed converter maximizes the power that can be sourced from the PV array, without the need of any electrolytic filtering capacitance. The effect of current ripple can be significant and decreases PV system efficiency. Converter simulations and experimental results support and extol the system concept.

Original language	English
Pages (from-to)	2246-2256
Journal	IEEE Transactions on Industrial Electronics
Volume	62
Issue number	4
Early online date	18 Dec 2014
DOIs	https://doi.org/10.1109/TIE.2014.2383999
Publication status	Published - Apr 2015

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Ahmad Elkhateb
- a.elkhatebqub.acuk
- School of Electronics, Electrical Engineering and Computer Science - Senior Lecturer
- Energy Power and Intelligent Control
Person: Academic

Cite this

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title = "DC-to-DC Converter with Low Input Current Ripple for Maximum Photovoltaic Power Extraction",

abstract = "This paper presents a dc-to-dc converter, which offers continuous input and output energy flow and low input current ripple, applicable and mandatory for photovoltaic (PV) arrays and maximum power tracking applications. The PV array yields exponential curves for current and voltage where maximum power occurs at the curve's mutual knee. Conventional dc-to-dc converters have a relatively high input current ripple which causes high power losses when connected to nonlinear sources like PV arrays. The proposed converter maximizes the power that can be sourced from the PV array, without the need of any electrolytic filtering capacitance. The effect of current ripple can be significant and decreases PV system efficiency. Converter simulations and experimental results support and extol the system concept.",

author = "Ahmad Elkhateb and Rahim, {Nasrudin Abd} and Jeyraj Selvaraj and Williams, {Barry W}",

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AU - Elkhateb, Ahmad

AU - Rahim, Nasrudin Abd

AU - Selvaraj, Jeyraj

AU - Williams, Barry W

PY - 2015/4

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AB - This paper presents a dc-to-dc converter, which offers continuous input and output energy flow and low input current ripple, applicable and mandatory for photovoltaic (PV) arrays and maximum power tracking applications. The PV array yields exponential curves for current and voltage where maximum power occurs at the curve's mutual knee. Conventional dc-to-dc converters have a relatively high input current ripple which causes high power losses when connected to nonlinear sources like PV arrays. The proposed converter maximizes the power that can be sourced from the PV array, without the need of any electrolytic filtering capacitance. The effect of current ripple can be significant and decreases PV system efficiency. Converter simulations and experimental results support and extol the system concept.

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JO - IEEE Transactions on Industrial Electronics

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ER -

DC-to-DC Converter with Low Input Current Ripple for Maximum Photovoltaic Power Extraction

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