Operating an electric drive system with low efficiency

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United States of America

PATENT NO 11932116
SERIAL NO

17944642

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Abstract

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A control system configured to control a rotating electrical machine of a battery electric vehicle (BEV), having one or more microprocessors that execute a low-efficiency mode of operation for the BEV, such that the low-efficiency mode of operation includes determining a high-efficiency mode current command corresponding to operation at a determined physical rotor angular velocity of a rotor of the rotating electrical machine at a commanded torque value, and increasing current supplied to the rotating electrical machine to a level corresponding to operation at an angular velocity higher than the determined physical angular velocity of the rotor at the commanded torque value.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER INC3850 HAMLIN ROAD AUBURN HILLS MI 48326-2872

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ballal, Siddharth Fishers, US 20 42
Namasivayam, Vignesh Fishers, US 1 0
Secrest, Caleb Wayne Noblesville, US 3 0

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