Multiple-alternator electrical system
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United States of America Patent
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Apr 14, 1998
Grant Date -
N/A
app pub date -
Nov 4, 1996
filing date -
Nov 4, 1996
priority date (Note) -
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Abstract
In one embodiment of the present invention, an electrical generating system for a motor vehicle includes a first alternator and a second alternator. The first alternator includes a first plurality of electrical power output windings, a first field winding in electromagnetic communication with the first plurality of electrical power output windings and a voltage regulator. The voltage regulator further includes an electrical driver coupled to the first field winding to control a current through the first field winding. The second alternator includes a second alternator further including a second plurality of electrical power output windings and a second field winding in electromagnetic communication with the second plurality of electrical power output windings. The said second field winding is coupled to the electrical driver for control of electrical current through the second field winding by the electrical driver. Systems according to the present invention can provide the enhanced electrical output of multiple alternator systems without 'fighting' between voltage regulators of the alternators for control. Such systems can also provide diagnostics to monitor the operation of each alternator.
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