Compensation of high voltage loads during pedal lift operation
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United States of America Patent
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Sep 7, 2021
Grant Date -
Sep 24, 2020
app pub date -
Mar 22, 2019
filing date -
Mar 22, 2019
priority date (Note) -
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Abstract
A hybrid electric vehicle or a battery electric vehicle has an electric machine, a traction battery, and an accessory powered by the traction battery. The vehicle includes a controller that, in response to a driver lifting their foot off the accelerator pedal, increases the negative motor torque produced by the electric machine for charging the traction battery to compensate for a load applied by the accessory. The controller increases negative motor torque as limited by a maximum motor torque limit. The accessory may be an electric air conditioning compressor and/or a DC/DC inverter.
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