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Power control system for traction and implement pump motors of electric machine
An electric powertrain for a machine includes an electric power source. The powertrain further includes an implement pump for powering a work implement and an implement pump electric motor. An electric traction motor is operably coupled to a traction device. An electronic controller stores a plurality of rimpull torque curves. The electronic controller is configured to determine if the electric power source is in a power limited condition and upon determining that the electric power source is in a power limited condition act to derate a rimpull torque of the traction device from a first rimpull torque curve of the plurality of rimpull torque curves to a lower second rimpull torque curve of the plurality of rimpull torque curves, wherein the selection of the second rimpull torque curve is based on a power usage by the implement pump electric motor.
Power control system for traction and implement pump motors of electric machine
An electric powertrain for a machine includes an electric power source. The powertrain further includes an implement pump for powering a work implement and an implement pump electric motor. An electric traction motor is operably coupled to a traction device. An electronic controller stores a plurality of rimpull torque curves. The electronic controller is configured to determine if the electric power source is in a power limited condition and upon determining that the electric power source is in a power limited condition act to derate a rimpull torque of the traction device from a first rimpull torque curve of the plurality of rimpull torque curves to a lower second rimpull torque curve of the plurality of rimpull torque curves, wherein the selection of the second rimpull torque curve is based on a power usage by the implement pump electric motor.
Power control system for traction and implement pump motors of electric machine
LEADERS ROYCE E (author) / FULLENKAMP ALEX M (author)
2025-02-25
Patent
Electronic Resource
English
Electric motors provide pump power
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