Exciter assemblies
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United States of America Patent
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Sep 4, 2012
Grant Date -
Sep 22, 2011
app pub date -
May 12, 2011
filing date -
Feb 24, 2005
priority date (Note) -
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Abstract
An exciter assembly for supplying a field current to the rotor windings of a superconducting synchronous machine includes a pulse transformer having a stationary primary winding, a secondary winding and a tertiary winding. A switched mode power supply supplies a pulsed voltage to the primary winding of the pulse transformer. The pulsed voltage developed at the secondary winding of the pulse transformer is supplied to the rotor windings through a pair of transfer leads. A controller controls synchronous rectification of the pulsed voltage supplied to the rotor windings based on a signal from the tertiary winding of the pulse transformer.
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