Method for controlling the opening or closing of an electric circuit in an electric meter
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United States of America Patent
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Aug 11, 2015
Grant Date -
Aug 16, 2012
app pub date -
Dec 8, 2010
filing date -
Dec 14, 2009
priority date (Note) -
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Abstract
A method of controlling the opening or the closing of an AC electric circuit in an electricity meter by means of a relay is provided. The method times relay activation commands so as to take account of the inertial delay (di) of the relay, in such a manner that the actual activation command applied to the relay causes the relay actually to take action on the electric circuit when an electrical parameter of said circuit reaches a zero value, in order to limit the formation of electric arcs in the relay.
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