PARALLEL ELECTRIC ARC DETECTION ACROSS THE MAIN TE

专利名称：PARALLEL ELECTRIC ARC DETECTION

ACROSS THE MAIN TERMINALS OF APHOTOVOLTAIC INSTALLATION

发明人：Nicolas CHAINTREUIL,Alexandre

PLISSONNIER

申请号：US14915504申请日：20140827

公开号：US20160218669A1公开日：20160728

专利附图：

摘要：A method detecting a parallel arc in a photovoltaic device, including N (N=1 or

N>1) photovoltaic modules, connected to a charge device having a capacitive behaviourfor the modules, the method including: a) detecting, across main terminals of the device,evolution of voltage over time, at least during formation of the electric arc; b) identifyinga negative voltage variation between a first zone with stable voltage and a second zonewith stable voltage for a duration of at least 5 μs, which immediately follows the voltagevariation, and c) determining whether the voltage variation is between a maximum valueVmax, greater than or equal to 100 V, and a minimum value Vmin, less than or equal to 30V, with a fall time of this variation between a minimum duration Tmin greater than orequal to 0.01 μs and a maximum duration Tmax less than or equal to 10 μs.

申请人：COMMISSARIAT À L'ÉNERRGIE ATOMIQUE ET AUX ÉNERGIE ALTERNATIVES

地址：Paris FR

国籍：FR

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