Hybrid alternator with voltage regulator
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United States of America Patent
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-
May 20, 1997
Issued Date -
N/A
app pub date -
Jun 2, 1995
filing date -
Jun 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hybrid alternator includes a stator winding and a rotor winding. The stator winding includes a neutral point having a neutral point voltage and is preferably arranged as a three phase winding with the neutral point being located at the center junction of three stator winding portions arranged in a 'Y' configuration. The rotor winding is mounted on a rotor which also includes permanent magnets. The rotor winding has a first end connected to the neutral point on the stator winding and a second end connected to a switching circuit. The rotor winding produces a magnetic flux field that additively combines with the permanent magnetic flux field from the permanent magnets when the switching circuit connects the second end of the rotor winding to a voltage greater than the neutral point voltage and produces a magnetic flux field that subtractively combines with the permanent magnetic flux field when the switching circuit connects the second end to a voltage less than the neutral point voltage.
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