Fault Current Limiter
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Feb 2, 2011
filing date -
Mar 12, 2010
priority date (Note) -
Abandoned
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Abstract
A fault current limiter including: an input terminal for electrically connecting to a power source that provides a load current; an output terminal for electrically connecting with a load circuit that draws the load current; and at least a first and second core of high magnetic permeability material; at least a first and second interconnected AC coil with a first AC coil formed around a first core and the second AC coil formed around a second core; at least one DC coil for magnetically biasing the cores such that, in response to one or more characteristics of the load current, the AC coil moves from a low impedance state to a high impedance state. A high magnetic permeability non-laminated material formed between the first and second cores. The high magnetic permeability non-laminated material can comprise steel.
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