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Photovoltaic installation for distributing electricity to e.g. isolated sites, has photovoltaic cells comprising string with terminals, where potential difference of each terminal is less than predetermined safety threshold
Photovoltaic installation for distributing electricity to e.g. isolated sites, has photovoltaic cells comprising string with terminals, where potential difference of each terminal is less than predetermined safety threshold
The installation (9) has a set of photovoltaic modules (2) connected to form an electric circuit (12), where each photovoltaic module includes a string (3') of photovoltaic cells (3). A safety control unit (8) and a cutting and/or derivation unit e.g. electromagnetic relay (10) of the electrical circuit are arranged to pass the installation from operational state to safety state. The string of the photovoltaic cells comprises terminals (4), where potential difference of each terminal is less than predetermined safety threshold.
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