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

El Khateb, Ahmad H. and Rahim, Nasrudin Abd and Selvaraj, Jeyraj and Williams, Barry W. (2015) DC-to-DC converter with low input current ripple for maximum photovoltaic power extraction. IEEE Transactions on Industrial Electronics, 62 (4). pp. 2246-2256. ISSN 0278-0046 (https://doi.org/10.1109/TIE.2014.2383999)

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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.

  • Item type:Article
    ID code:55748
    Dates:
    Date
    Event
    1 April 2015
    Published
    18 December 2014
    Published Online
    Notes:(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.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:03 Mar 2016 14:08
    Last modified:21 Nov 2024 01:11
    URI:https://strathprints.strath.ac.uk/id/eprint/55748
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