VS - Electrical Systems From Stop-Start to Hybridization

The scheme below illustrates an example of driving modes for a Mild Hybrid vehicle.

ZEV stands for Zero Emission Vehicle, it is used to define driving modes where the unique involved source for the drivetrain is electrical energy.

CO

efforts

2

Stop

Engine drive

ZEV Elec. start

ZEV Elec. drive

ZEV Elec. drive

Engine stalling help ZEV Elec. drive

ZEV Elec. Boost

Engine soft restart

Engine soft restart

ZEV Regen.

HYBRID forced Regen

Vehicle speed

Coasting Engine ON

HYBRID boost

Coasting Engine OFF(*) HYBRID Regen.

Driving phases

ZEV: Zero Emission Vehicule (electric mode) (*) Coasting with Engine OFF is not permitted in some countries

E-machine decoupled from the engine and rotating at a multiple of wheel speed

E-machine decoupled from the engine and located on rear axle drive

GMG Gearbox Motor Generator

DMG Drive Line Motor Generator

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