Dual-drive electric motor control system and methods for hybrid operation of electric motors
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Oct 26, 2016
filing date -
Oct 25, 2016
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Abstract
A dual-drive electric motor control system configured to drive a first electric motor and a second electric motor is provided. The system includes a shared front-end motor drive circuit for converting AC input voltage from an AC voltage source to a DC-link voltage. A first control system has a first inverter coupled to the shared front-end motor drive circuit, and a first switch device configured to couple the AC voltage source directly to the first electric motor. The system further includes a second control system having a second inverter coupled to the shared front-end motor drive circuit, and a second switch device configured to couple the AC voltage source directly to the second electric motor.
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