Controlled ferroresonant constant current source
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United States of America Patent
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Jul 30, 2002
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N/A
app pub date -
Jul 13, 2001
filing date -
Jul 13, 2001
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Abstract
A controlled ferroresonant constant current source includes a ferromagnetic core accommodating the below-mentioned inductors. An input coil is to be connected to an alternating voltage source. An output coil is inductively coupled to the input coil, and is to be connected to a load. A control coil is inductively coupled to the output coil, and is to be connected to a switch for regulating the current output of the constant current source. A first capacitor coil is inductively coupled to the output coil, and is to be connected to a capacitor to provide a first resonant sub-circuit having maximum gain. A second capacitor coil is inductively coupled to the control inductor, and is to be connected to the capacitor to provide a second resonant sub-circuit to control resonant gain.
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