Method for detecting an electric arc in photovoltaic equipment

Details Method for detecting an electric arc in photovoltaic equipment Method for detecting an electric arc in photovoltaic equipment

G - Physics

01

R

G01R 31/12 (2006.01) H01L 31/042 (2006.01)

Patent

CA 2746866

The invention relates to a method for the ultrasound detection of an electric arc in a photovoltaic device, characterised in that the method includes the following steps: measuring (E1) at least one parameter of a signal received by an ultrasound sensor (6) from among the amplitude of the signal, the duration of the signal, and the central frequency of the signal; comparing (E2) the measurement of said at least one signal parameter with predefined values to determine whether or not the measurement corresponds to that of an electric arc.

Procédé de détection par ultrasons d'un arc électrique dans un dispositif photovoltaïque, caractérisé en ce qu'il comprend les étapes suivantes : - Mesure (E1) d'au moins un paramètre d'un signal reçu par un capteur à ultrasons (6) parmi l'amplitude du signal, la durée du signal, la fréquence centrale du signal; - Comparaison (E2) de la mesure de ce au moins un paramètre du signal avec des valeurs prédéfinies pour déterminer si la mesure correspond à celle d'un arc électrique.

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