Electrical circuit for protecting photovoltaic systems

The invention relates to an electrical circuit for protecting photovoltaic systems. The object of the present invention is to provide a structure for the electrical protection of photovoltaic facilities in the event a photovoltaic generator (G 1 -G p ) is connected with its polarity reversed, for wh...

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Bibliographic Details
Main Authors COLOMA CALAHORRA JAVIER, BALDA BELZUNEGUI JULIAN, MUGUERZA OLCOZ LUIS
Format Patent
LanguageChinese
English
Published 09.12.2009
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:The invention relates to an electrical circuit for protecting photovoltaic systems. The object of the present invention is to provide a structure for the electrical protection of photovoltaic facilities in the event a photovoltaic generator (G 1 -G p ) is connected with its polarity reversed, for what it includes a protection cell that comprises two connection points (1, 2) at which the photovoltaic generator is connected (G 1 -G p ), at least one device (D) in charge of reducing the voltage of the photovoltaic generator (G 1 -G p ) in the event of polarity reversion, which is connected in parallel between the aforementioned two connection points, at least one element (M) of breakage and/or protection of the photovoltaic generator (G 1 -G p ) serially connected to the preceding elements, minimizing the loading on the aforementioned break and/or protection elements.
Bibliography:Application Number: CN200910141948