DC-to-DC converter with low input current ripple for maximum photovoltaic power extraction

Ahmad H. El Khateb; 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 H. El Khateb, Nasrudin Abd Rahim, Jeyraj Selvaraj, Barry W. Williams

Electronic And Electrical Engineering

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

136 Citations (Scopus)

171 Downloads (Pure)

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

Original language	English
Pages (from-to)	2246-2256
Number of pages	11
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 - 1 Apr 2015

Keywords

constant current converters
dc-to-dc converters
dc-to-dc-power conversion
photovoltaic cells
switched mode power supplies

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TIE.2014.2383999

Khateb-etal-IEEETIE2016-dc-to-dc-converter-with-low-input-current-ripple-for-maximumAccepted author manuscript, 1.22 MB

Barry Williams
- barry.williamsstrath.acuk
- Electronic And Electrical Engineering - Senior Research Fellow
Person: Research Only

Cite this

@article{7ea5937712684ddea95f1db9d4a33689,

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

keywords = "constant current converters, dc-to-dc converters, dc-to-dc-power conversion, photovoltaic cells, switched mode power supplies",

author = "{El Khateb}, {Ahmad H.} and Rahim, {Nasrudin Abd} and Jeyraj Selvaraj and Williams, {Barry W.}",

note = "(c) 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.",

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doi = "10.1109/TIE.2014.2383999",

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AU - El Khateb, Ahmad H.

AU - Rahim, Nasrudin Abd

AU - Selvaraj, Jeyraj

AU - Williams, Barry W.

N1 - (c) 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

PY - 2015/4/1

Y1 - 2015/4/1

N2 - 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 arrays, and maximum power point tracking applications. The PV array yields exponential curves for current and voltage where the maximum power occurs at the curve's mutual knee. Conventional dc-to-dc converters have a relatively high input ripple current which causes high power losses when connected to nonlinear sources like PV arrays. The proposed converter operates with low input current ripple which maximizes the power that can be sourced from the PV array, without the need of any electrolytic filtering capacitance. The effect of the ripple current on the PV array can be significant, and decreases the efficiency of the PV system. The proposed converter employs series input inductance with both input and output continuous energy flow. Converter simulations and experimental results support and extol the system concept.

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

KW - constant current converters

KW - dc-to-dc converters

KW - dc-to-dc-power conversion

KW - photovoltaic cells

KW - switched mode power supplies

U2 - 10.1109/TIE.2014.2383999

DO - 10.1109/TIE.2014.2383999

M3 - Article

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VL - 62

SP - 2246

EP - 2256

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 4

ER -

DC-to-DC converter with low input current ripple for maximum photovoltaic power extraction

Abstract

Keywords

UN SDGs

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