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508RXH_en_Chap00c_systeme-hybride_ed01-2014
the electronic power super visor - 4 automatically manages the operation of the two power units
(Diesel and electric) to provide the lowest consumption.
An inverter and a transformer are needed to manage the electric power.
th
e inverter acts on the torque of the electric motor, by regulating the current coming from the high
voltage battery pack. Its operating range is between 150 and 270 volts.
th
e transformer converts the 200 V of the battery pack to 12 V, to power the vehicle's ancillary
systems.
th
e alternator-starter motor - 5 assures the Stop & Star t function which allows the Diesel
engine to be put into standby during stops (traffic lights, a stop, or in a traffic jam, for example) or
during phases of running in all-electric mode.
th
e stopping and restarting of the Diesel engine is done in a way that is instantaneous and
transparent for the driver.
It also provides additional charging of the batteries (4x4 mode for example or under-charged high
voltage battery).
th
e electronic gearbox - 6 provides, in automatic mode, significant savings in fuel consumption
compared to a conventional manual gearbox, thanks to its electronic control system.
It also offers improved driving pleasure with the possibility at any time of choosing the gear
changing mode: automatic or manual, using the paddles located behind the steering wheel.
Hybrid system
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508RXH_en_Chap00c_systeme-hybride_ed01-2014
Reducing consumption - Fuel
QuestionAnswer
How can I optimise my fuel consumption?
gi
ve preference to Auto mode as it selects in the best way the "driving energy source" to
use in order to reduce fuel consumption.
You should also adapt your driving style to the characteristics of hybrid vehicles to get the
best out of it, for example by taking your foot off the accelerator pedal rather than braking
and by anticipating decelerations (entering a built-up area, stop at traffic lights, stop at halt
signs, ...).
Why do I not manage to reduce my fuel consumption
even though I often drive in Z
eV (
Zero e
m
issions
Vehicle) mode? It is not Z
eV m
ode but Auto mode that is the most appropriate for reducing fuel
consumption, as it selects the best "driving energy source".
Z
eV m
ode (100% electric operation) can reduce fuel consumption in some cases. However,
recharging the traction battery has an energy cost.
th
is is why we recommend using Auto mode more often.
Why does the trip computer sometimes display the
bars for 28 mpg (10 litres) consumption in town?
th
e current fuel consumption displayed may appear high when the distance covered is
very low, but this generally has very little impact and the true average fuel consumption will
remain low.
In town, your hybrid retains very good fuel economy (of the order of 35% better than a
non-hybrid vehicle).
Why is my battery rarely fully charged? A partly charged battery is normal operation (4 to 5 bars on average in Auto mode).
th
is allows some capacity to be left free for the recovery for energy when going downhill or
taking when your foot off the accelerator.
Why are there so may fuel alert messages when
starting to use the reserve?
to e
ncourage you to refuel as soon as possible and avoid the loss of hybrid functions.
.
Hybrid system
