HYBRID SYSTEMS FOR LOCOMOTIVES

摘要

A locomotive consist includes a first locomotive unit that receives a power command from a throttle signal or a dynamic brake signal from MU trainlines, a second locomotive unit with an energy storage system electrically connected to one or more second unit traction motors, and a hybrid control system on the first locomotive unit. The hybrid control system intercepts the throttle signal or the dynamic brake signal from the MU trainlines, calculates first and second alternate power commands for the first and second locomotive units, respectively, that when added together equal the power command received on the MU trainlines, communicates the first power command to the first locomotive prime engine or dynamic braking system, and communicates the second power command to the second locomotive unit.

主权项

1. A locomotive consist comprising:
a first locomotive unit that receives a power command from a throttle signal or a dynamic brake signal from MU trainlines and includes a prime engine electrically connected to one or more first unit traction motors that provide tractive power and an electric resistance grid electrically connected to the one or more first unit fraction motors that provide dynamic braking power; a second locomotive unit with an energy storage system electrically connected to one or more second unit traction motors, wherein the second locomotive unit has a dynamic braking system that decelerates the consist by electrically transferring energy from the one or more second unit traction motors to the energy storage system, and wherein the second locomotive unit provides tractive power to the consist by electrically transferring energy from the energy storage system to the one or more second unit traction motors; and a hybrid control system on the first locomotive unit that intercepts the throttle signal or the dynamic brake signal from the MU trainlines, calculates first and second alternate power commands for the first and second locomotive units, respectively, that when added together equal the power command received on the MU trainlines, communicates the first power command to the first locomotive prime engine or dynamic braking system, and communicates the second power command to the second locomotive unit.