| 摘要 |
A powertrain having a fuel cell prime mover, an electronic control unit, two motor/generator units, two planetary gearsets, and a plurality of torque-transmitting mechanisms is operable to provide three ranges of operation. During one range of operation, the power take-off unit operates at a constant speed. During the second range of operation, the power take-off unit, one of the motor/generator units, and the output shaft operate at a same speed, and during the third range of operation, both motor/generator units, the output shaft, and the power take-off unit operate at a same speed.
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