Identification of the Current—Voltage Characteristic of Photovoltaic Arrays

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• 作者：Anton A. Pyrkin^* ; ^{a.pyrkin@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Fernando Mancilla-David^** ; ^{fernando.mancilla-david@ucdenver.edu" class="auth_mail" title="E-mail the corresponding author} ; Romeo Ortega^*** ; ^{ortega@lss.supelec.fr" class="auth_mail" title="E-mail the corresponding author} ; Alexey A. Bobtsov^* ; ^**** ; ^{bobtsov@mail.ru" class="auth_mail" title="E-mail the corresponding author} ; Stanislav V. Aranovskiy^&dagger ; ; ^* ; ^{s.aranovskiy@gmail.com" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Photovoltaic arrays ; identification ; nonlinear parametrization ; on-line estimation
• 刊名：IFAC-PapersOnLine
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：49
• 期：13
• 页码：223-228
• 全文大小：544 K

文摘

This paper deals with the problem of identification of the current-voltage characteristic equation of photovoltaic arrays. We propose a new parameterisation of the classical five parameter model of this function that, combined with the recently introduced identification technique of dynamic regressor extension and mixing, ensures a fast and accurate estimation of all unknown parameters. Realistic numerical examples via computer simulations are presented to assess the performance of the proposed approach.