An Improved Oblique Asymptote Method for Parameter Identification of PV Panels

Wei, C. and Lim, L. H. I. (2018) An Improved Oblique Asymptote Method for Parameter Identification of PV Panels. In: 7th World Conference on Photovoltaic Energy Conversion, Waikoloa, HI, USA, 10-15 Jun 2018, (Accepted for Publication)

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Abstract

A single-diode model is the most important and broadly used tool for PV module design and analysis. The model has 5 parameters to be identified from the I-V characteristics curves. However, due to the lack of explicit form of I or V with the unknown 5 parameters, parameter identification is very difficult. Recent progress in PV model identification are discussed in this paper with the simulation of MATLAB against the measured data from a real PV module. An improved Oblique Asymptote Method is then proposed and compared with existing identification methods. Test results show that the proposed method achieves lower RMSE with less knowledge of I-V data points.

Item Type:Conference Proceedings
Status:Accepted for Publication
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lim, Dr Li Hong Idris
Authors: Wei, C., and Lim, L. H. I.
Subjects:Q Science > Q Science (General)
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
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