NDLI: Sliding mode control of a buck converter for maximum power point tracking of a solar panel

Content Provider	IEEE Xplore Digital Library
Author	Hussain, A. Kumar, A. Behera, L.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Indian Inst. of Technol. Kanpur, Kanpur, India (Hussain, A.; Kumar, A.; Behera, L.)
Abstract	This paper presents a novel sliding mode control (SMC) approach for maximum power point tracking (MPPT) of photovoltaic (PV) panel using buck converter. Since classical hill climbing and incremental conductance MPPT methods can not differentiate change in power due to perturbed voltage and changing weather condition, both algorithms are prone to failure in case of rapidly varying solar radiation. Most of the maximum power point tracking approaches presented in literature are based on finding desired PV voltage for MPPT and tracking the actual PV voltage to desired one. On contrary, in this paper, SMC approach is applied to control inductor current and converter output voltage for MPPT and then convergence and tracking of PV voltage is achieved. Incremental conductance method is used to find desired value of PV voltage and steady state analysis is performed on state equation to find out desired inductor current and output voltage of converter. The proposed controller is able to bring the system on sliding surface in finite time and force it to remain on sliding surface. It has been found that exact MPPT is achieved even when we consider varying atmospheric condition and disturbances. The feature of the proposed algorithm are supported by theoretical analysis and simulation results.
Starting Page	661
Ending Page	666
File Size	225014
Page Count	6
File Format	PDF
ISBN	9781479915590
ISSN	10851992
DOI	10.1109/CCA.2013.6662825
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-28
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Mathematical model Equations Voltage control Maximum power point trackers Solar radiation Convergence MPPT photovoltaic system DC-DC converters sliding mode control steady state error
Content Type	Text
Resource Type	Article

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