Variable speed constant frequency power generator including permanent magnet exciter
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United States of America Patent
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Jan 17, 2017
Grant Date -
Dec 29, 2016
app pub date -
Jun 24, 2015
filing date -
Jun 24, 2015
priority date (Note) -
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Abstract
A variable speed constant frequency (VSCF) power generator includes a rotating direct current (DC) power source, rotating multi-phase generator main field windings to generate a rotating alternating current (AC) power, and a rotating inverter configured to control alternating current (AC) generator field windings in response to output AC power generated by the VSCF power generator and DC power from the rotating DC power source. At least one generator main field sensor outputs a generator main field feedback signal based on the rotating AC power applied to the rotating multi-phase generator main field windings. Stationary multi-phase generator armature windings output constant voltage constant frequency AC power controlled by the rotating AC power. An electronic rotating power line communication (PLC) controller generates a control signal that adjusts the rotating AC power based on the rotating generator feedback signal, where the output AC power is controlled by adjusting the rotating AC power.
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