Active rectification for a variable-frequency synchronous generator
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United States of America Patent
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Feb 19, 2013
Grant Date -
Mar 3, 2011
app pub date -
Aug 28, 2009
filing date -
Aug 28, 2009
priority date (Note) -
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Abstract
An active rectifier controller decouples measurements of the phase and speed of a variable frequency synchronous generator from measurements of the AC output voltage. The active rectifier controller receives position information representative of the rotor position of the VFSG independent of a load connected to the VFSG that is used to determine the phase position and speed of the VFSG. Based on measurements of the generator speed and phase, the active rectifier controller controls the active rectifier to draw AC currents in-phase with the back-electromotive force (BEMF) voltage of the VFSG.
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