Vehicle power sharing and grid connection system for electric motors and drives
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Apr 4, 2014
filing date -
Apr 4, 2014
priority date (Note) -
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Abstract
A power sharing system for electric motors and drives shares power between multiple power sources. Multiple motor drives share power between multiple energy sources, without the need for a DC to DC converter. A motor drive adapts the DC voltage range of the power source to either AC voltage or a different DC voltage range to operate one or more electric motors. Either a capacitor bank or a battery is directly connected to a motor drive's DC input. Two separate DC inputs exist, each able to operate at its own voltage and both feeding the same motor through separate motor drives, to allow batteries to be operated at one voltage level while capacitors are operated at another. The motor drives inherently cause power to flow between the motor and either power source, regardless of the relative voltages of the two sources, provided that each source is at a sufficient voltage to power the motor independently.
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