Hybrid Drive System Energy Flow-Pictures - GF08.30-P-0001-02LFH
Engine 276 in model 222.057/157
Engine 276 in model 222.163
Engine 276 in model 222.173
Engine 651.9 in model 222.004/104
The following energy flows are shown for model 222.163 and apply correspondingly for models 222.004/104/057/157/173.
Shown in alternator mode (internal combustion engine running, electrical machine (A79/1) acts as an alternator)
The percentage next to the battery symbol shows the current charge level of the high-voltage battery (A100g1).
The internal combustion engine runs and drives the electrical machine as an alternator. The generated 3-phase AC voltage is converted into direct voltage (high voltage) by the power electronics control unit (N129/1) and stored in the high-voltage battery.
Illustrated transmission mode just with the internal combustion engine
The power flow takes place from the internal combustion engine onto the rear axle.
Shown transmission mode with internal combustion engine (electrical machine acts as an alternator)
The power flow takes place from the internal combustion engine onto the rear axle. The internal combustion engine also drives the electrical machine as an alternator. The generated 3-phase AC voltage is converted into direct voltage (high voltage) by the power electronics control unit and stored in the high-voltage battery.
Shown acceleration mode (boost mode) (internal combustion engine running, electrical machine acts as a motor)
The power flow only takes from the internal combustion engine and from the electrical machine on the rear axle.
The high-voltage battery supplies the electrical machine with electrical energy. To do this, the power electronics control unit converts the direct voltage (high voltage) into 3-phase AC voltage. The electrical machine reacts by generating a torque, which acts on the drive supportively to the torque of the internal combustion engine.
Shown: regenerative braking (internal combustion engine runs, electrical machine acts as an alternator)
The power flow takes place from the rear axle onto the electrical machine.
The kinetic energy of the vehicle is converted by the electrical machine into electrical energy (3-phase AC voltage). This is converted by the power electronics control unit into direct voltage (high voltage) and charges the high-voltage battery with it.
Shown: electrical driving (internal combustion engine off, electrical machine acts as a motor)
The power flow takes place from the electrical machine onto the drive.
The high-voltage battery supplies the electrical machine with electrical energy. To do this, the power electronics control unit converts the direct voltage (high voltage) into 3-phase AC voltage. The electrical machine responds by generating a torque, which acts on the drive.
Shown: Fuel consumption (for gasoline engine)