High speed ratio transmission
The high speed ratio transmission can ensure the climbing ability of heavy trucks, and the same vehicle weight and gradient require less torque. It can ensure that the motor operates below the rated torque, and the electronically controlled temperature rise of the motor can be effectively controlled. At the same time, ensure that the discharge rate of the power battery is within 1C under extreme operating conditions and within 0.5C under comprehensive operating conditions of 80% and above. Effectively protect power batteries, motors, and electronic controls. Especially when the battery power is low (SOC is at 20% or below) and the high-power discharge capacity is lost, the high speed ratio transmission can ensure limping home when the battery power is low.
A large speed ratio transmission can also effectively control the discharge rate of heavy trucks in actual work, especially when climbing, heavy loading, or getting out of trouble (within 0.5C), which can effectively extend the actual service life of the power battery by more than 68%, which is not achievable with a small speed ratio transmission.
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