LPPT control of a photovoltaic system under partially shaded condition

Reddy, M K K and Sarkar, Vaskar (2016) LPPT control of a photovoltaic system under partially shaded condition. In: 1st International Conference on Sustainable Green Buildings and Communities, SGBC, 18-20 December 2016, IIT Madras Research ParkChennai; India.

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Abstract

The objective of this paper is to deal with the partial shading problem in the limited power point tracking (LPPT) control of a photovoltaic system. The normal LPPT controller can work only under uniform irradiance condition. Under partial shading, the P-V curve of the photovoltaic system becomes multi-modal. As a result, the operating point can be trapped at a local peak whenever there is a rise in the reference power command. In order to avoid the particular phenomenon, an efficient local peak detection scheme is developed. Therefore, the operating state of the system can be appropriately re-initialized based upon the identification of a local peak. The local peak detector proposed is carefully designed so as to minimize any false detection. Detailed simulation studies are carried out to verify the usefulness of the proposed local peak detection scheme.

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IITH Creators:
IITH CreatorsORCiD
Sarkar, VaskarUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Local peak detection, LPPT control, partial shading, photovoltaic system
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 07 Aug 2017 10:35
Last Modified: 21 May 2018 10:15
URI: http://raiithold.iith.ac.in/id/eprint/3462
Publisher URL: https://doi.org/10.1109/SGBC.2016.7936081
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