System disconnection detection circuit for a distributed location power source
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United States of America Patent
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Mar 24, 1992
Grant Date -
N/A
app pub date -
Oct 23, 1990
filing date -
Apr 6, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system disconnection detection circuit for a distributed location power source having a generating element and an invertor for converting a generated output from the generating element into an AC output superimposes a selected signal on the AC output of the invertor. The circuit detects system disconnection on the output side of the invertor on the basis of the AC output of the invertor on which the selected signal has been superimposed.
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