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BYD Sea Leopard 06DM-i

BYD Sea Leopard 06DM-i

Specifications: Chinese specifications, 2024 model

Powertrain: PHEV front-wheel drive model

Motor: Permanent magnet synchronous motor (Maximum output: 160 kW)

Power battery: Lithium iron phosphate battery (Capacity: 15.87 kWh)

Engine: 1.5 L (Maximum output 74 kW)

Output characteristics for each drive mode: Torque and output characteristics were measured at the drive shaft for each drive mode.

Driving force characteristics: The characteristics of the drive shaft output in relation to the accelerator opening for each drive mode were measured.

Output limiting characteristics due to temperature influence: The system was operated at maximum output until output limiting occurred, and its behavior was measured.

Output characteristics for each SOC: The output characteristics of the drive shaft and the motor, generator, and high-voltage battery were measured when the SOC was changed.

Power Unit Efficiency: Vehicle speed and load were varied, and the energy input to the vehicle and the output of the drive shaft were measured. Then, a power unit efficiency map was created using the rotational speed and torque of the traction motor as axes.

Control characteristics during acceleration from a standstill: The hybrid control behavior of the motor and engine was investigated when performing full-throttle acceleration from a standstill.

Control characteristics during intermediate acceleration: The hybrid control behavior of the motor and engine was investigated when performing full-throttle acceleration from a constant speed driving state.

Control characteristics during constant speed driving: The hybrid control behavior of the motor and engine under constant speed driving conditions was investigated.

Vehicle speed-torque characteristics in neutral: The drive shaft torque at various vehicle speeds in neutral was investigated for different states of clock (SOC).

Tip-out and regenerative characteristics: The amount of regenerative power and the behavior of the mechanical brake when the brake pedal is operated were investigated.

Charge/Discharge Characteristics: In addition to data on output limiting characteristics and regenerative characteristics, data on the inflection point of maximum charge/discharge power relative to the State of Charge (SOC) was acquired to investigate the charge/discharge characteristics.

Mode driving: The hybrid control behavior of the motor and engine was analyzed when driving in North American modes (UDDS, US06, HWY).