US 12,434,568 B2
Method for compensating alternating current cable loss
Anno Yoo, Rochester, MI (US); Sangyeop Kwak, Orion Charter Township, MI (US); Nikhil Deshpande, Auburn Hills, MI (US); Brent Steven Gagas, Pleasant Ridge, MI (US); and Vinod Chowdary Peddi, Shelby Township, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Nov. 8, 2023, as Appl. No. 18/504,454.
Prior Publication US 2025/0145015 A1, May 8, 2025
Int. Cl. B60L 15/20 (2006.01); H02P 27/06 (2006.01)
CPC B60L 15/20 (2013.01) [H02P 27/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a vehicle, comprising:
attaching a cable between an inverter of the vehicle and a motor of the vehicle, the cable having a resistance;
operating the inverter using a first direct current (DC) reference voltage;
measuring a current at the motor;
obtaining the resistance of the cable;
calculating a power factor at the inverter;
determining a voltage drop between the inverter and the motor from the current, the resistance and the power factor due to a presence of the cable;
determining a DC compensation voltage from the voltage drop; and
adjusting the first DC reference voltage to a second DC reference voltage using the DC compensation voltage.