Device and method for limiting an electrical current
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United States of America Patent
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Dec 15, 2015
Grant Date -
Nov 28, 2013
app pub date -
Oct 11, 2011
filing date -
Oct 12, 2010
priority date (Note) -
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Abstract
The invention relates to a device (50) for limiting an electrical current in an electrical conductor of an electrical installation. The device (50) comprises a receiving unit adapted to receive a measurement of the electrical current in the electrical conductor, and further comprising a limiting unit adapted to limit said electrical current when the measured electrical current reaches a threshold. The device (50) is distinguished by comprising an obtaining unit adapted to obtain electrical energy from a second electrical conductor, wherein the limiting unit is adapted to inject said obtained electrical energy as an electrical current into the first electrical conductor, whereby the injected electrical current constitutes a replacement for at least a part of the first electrical current, which first electrical current is thereby limited. The invention also relates to an electrical system and a method for limiting an electrical current in an electrical conductor of an electrical installation.
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