NDLI: A Novel Approach for Maximum Power Tracking From Curved Thin-Film Solar Photovoltaic Arrays Under Changing Environmental Conditions

Content Provider	IEEE Xplore Digital Library
Author	Sharma, P. Duttagupta, S.P. Agarwal, V.
Copyright Year	1972
Abstract	A novel approach for maximum power tracking from curved thin-film flexible photovoltaic (FPV) modules is described. Power-voltage characteristics of curved FPV modules exhibit multiple-peak patterns. The proposed approach consists of modeling the curved FPV modules and optimizing the power yield using this model. A typical curve shape is considered, which is fairly representative of several actual applications such as building integrated PVs (BIPVs), curved roofs, tents, aerostats, etc. Extensive experimentation with FPV modules for various curve angles, in conjunction with regression analysis, has led to empirical models that relate FPV module parameters[Isc, VOC, and fill factor (FF)] with environmental factors and layout design parameters (curve shape and angle). Based on these models, a new “scanning window” technique (SWT) is proposed to maximize the power yield of curved FPV modules. As the FF for curved FPVs is highly dynamic, the SWT proves to be highly effective. A solar angle threshold (obtained in terms of estimated solar angle) determines whether to expect single or multiple power peak characteristics and whether to use the conventional perturb and observe method or the SWT. This results in fast and accurate tracking of maximum power point. The proposed approach facilitates optimum layout designs for BIPVs and stand-alone PV systems.
Sponsorship	IEEE Industry Applications Society
Starting Page	4142
Ending Page	4151
Page Count	10
File Size	1650002
File Format	PDF
ISSN	00939994
Volume Number	50
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radiation effects Layout Temperature measurement Mathematical model Analytical models Short-circuit currents Shape scanning window method Curved layout flexible photovoltaic (FPV) module maximum power point tracking (MPPT) PV cell model
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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