Maximum Power Point Tracking Employing Sliding Mode Control

A fast and unconditionally stable maximum power point tracking scheme with high tracking efficiency is proposed for photovoltaic generators. The fast dynamics and all range stability are attained by a sliding mode control and the high tracking efficiency by a maximum power point algorithm with fine...

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Bibliographic Details
Published inIEEE transactions on circuits and systems. I, Regular papers Vol. 60; no. 3; pp. 724 - 732
Main Authors Levron, Y., Shmilovitz, D.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2013
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Circuit stability
Convergence
Dynamical systems
Dynamics
Maximum power
Maximum power point tracking
MPPT
Photovoltaic cells
photovoltaic generator
Sliding mode control
Solar cells
Stability criteria
Steady-state
Switches
Tracking
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Summary:A fast and unconditionally stable maximum power point tracking scheme with high tracking efficiency is proposed for photovoltaic generators. The fast dynamics and all range stability are attained by a sliding mode control and the high tracking efficiency by a maximum power point algorithm with fine step. In response to a sudden change in radiation, our experiments show a typical convergence time of 15 ms. This is the fastest convergence time reported to date. In addition we demonstrate stable convergence all across the photovoltaic curve, from short-circuit to open-circuit. The theory is validated experimentally.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2012.2215760