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A novel zonal based MPPT control scheme for a full bridge series resonant converter
Published in Institute of Electrical and Electronics Engineers Inc.
2016
Volume: 2016-November
   
Pages: 3263 - 3268
Abstract
The limitations of the conventional MPPT technique are oscillations of the system at steady state leading to energy loss, slower response and the occurrence of drift. A simple zonal based MPPT controller is proposed in this paper which addresses the above limitations without additional requirement of sampling or sensors apart from the basic voltage and current sensors. The proposed system is simple, cost effective and easy to implement. Phase shift reference (Duty) for the DC-DC converter is varied dynamically by the proposed MPPT controller depending upon the operating point voltage to have a better dynamic response. The error in the perturbation direction, if any, is corrected by the controller while computing the change in duty reference ΔD). This ensures the drift free operation. The response speed of the proposed controller is improved compared to the conventional controller by having a variable step size. Solar PV fed full bridge series resonance DC-DC converter with resistive load is considered for evaluating the proposed control scheme. The performance of the proposed MPPT control technique is verified by simulations and hardware results. © 2016 IEEE.
About the journal
JournalData powered by TypesetConference Record of the IEEE Photovoltaic Specialists Conference
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN01608371
Open AccessNo
Concepts (16)
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    Cost effectiveness
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    Dc-dc converters
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    Electric inverters
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    Energy dissipation
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    Maximum power point trackers
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    Phase shift
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    Power converters
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    CONVENTIONAL CONTROLLERS
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    DRIFT-FREE
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    Maximum power point tracking
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    Operating points
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    PERTURB AND OBSERVE
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    Photovoltaic
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    SERIES RESONANT CONVERTERS
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    Variable step size
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    Controllers