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Descriptive and inferential statistics for supervising and monitoring the operation of PV plants / Vergura, Silvano in IEEE transactions on industrial electronics, Vol. 56 N° 11 (Novembre 2009) 

Public ISBD [article]  in IEEE transactions on industrial electronics > Vol. 56 N° 11 (Novembre 2009) . - pp. 4456 - 4464 Titre : Descriptive and inferential statistics for supervising and monitoring the operation of PV plants Type de document : texte imprimé Auteurs : Vergura, Silvano, Auteur ; Acciani, Giuseppe, Auteur ; Amoruso, Vitantonio, Auteur Article en page(s) : pp. 4456 - 4464 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Analysis  of  variance  (ANOVA)  Kruskal-wallis  test  Kurtosis  Photovoltaic  (PV)  system  monitoring  Skewness Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper deals with the problem of supervising and monitoring a photovoltaic (PV) plant. First, an offline descriptive and inferential statistical procedure for evaluating the goodness of system performance is presented. Then, an online inferential algorithm for real-time monitoring and fault detection is introduced. The two methodologies utilize the energy output of inverters as input data and are valid for both Gaussian and non-normal distribution of data. The procedures have been tested on a real PV installation, and results are reported for the case of a grid-connected PV plant in Italy for which one PV module over 132 resulted in being badly connected. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4555650 [article] Descriptive and inferential statistics for supervising and monitoring the operation of PV plants [texte imprimé] / Vergura, Silvano, Auteur ; Acciani, Giuseppe, Auteur ; Amoruso, Vitantonio, Auteur . - pp. 4456 - 4464. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N° 11 (Novembre 2009) . - pp. 4456 - 4464 Mots-clés : Analysis  of  variance  (ANOVA)  Kruskal-wallis  test  Kurtosis  Photovoltaic  (PV)  system  monitoring  Skewness Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper deals with the problem of supervising and monitoring a photovoltaic (PV) plant. First, an offline descriptive and inferential statistical procedure for evaluating the goodness of system performance is presented. Then, an online inferential algorithm for real-time monitoring and fault detection is introduced. The two methodologies utilize the energy output of inverters as input data and are valid for both Gaussian and non-normal distribution of data. The procedures have been tested on a real PV installation, and results are reported for the case of a grid-connected PV plant in Italy for which one PV module over 132 resulted in being badly connected. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4555650