Method for theft recognition on a photovoltaic unit and inverter for a photovoltaic unit
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United States of America Patent
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Jun 18, 2013
Grant Date -
Aug 19, 2010
app pub date -
Aug 26, 2008
filing date -
Aug 29, 2007
priority date (Note) -
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Abstract
The invention relates to a method for recognition of the theft of at least one solar module (5) on a photovoltaic unit with an inverter (1) an intermediate circuit (3), a DC-AC converter (4), at least one solar module (5) connected via connector lines (19) and a control device (8). A signal unit (19) which can be connected to the connector lines (9, 10), for generating and transmitting an electrical signal and a device for measuring and analyzing the signal received from the at least one solar module (5) are provided such that conclusions can be drawn about the theft of a solar module (5) from the received signal. According to the invention, reliable recognition of theft of a solar module (5) can be achieved by designing the signal unit (19) for generating varying electrical signals.
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