Electric Power Generation and Distribution for Islanded or Weakly-Connected Systems
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
May 30, 2014
filing date -
May 30, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A dual-voltage power generation system includes a prime mover configured for adjustable speed operation and a doubly-fed induction generator driven by the prime mover and including a multi-phase stator winding and a multi-phase rotor winding. A first output terminal of the dual-voltage power generation system is electrically connected to the multi-phase stator winding, and a second output terminal is electrically connected to the multi-phase rotor winding. The dual-voltage power generation system further includes a first converter having an AC side connected to one of the multi-phase windings and an AC or DC side connected to one of the output terminals. The multi-phase stator winding has a different turns ratio than the multi-phase rotor winding and the first output terminal is electrically isolated from the second output terminal so that the generator has two isolated power supply outputs at different voltage levels in a first configuration.
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