Drive systems and chassis | Drive systems · 32
31 · Drive systems and chassis | Drive systems
E-power button.
The ‘e-power’ but ton can be used to
expand the range in which the vehicle
can be run solely on electric power, when
heading out of a residential area, for
instance. The throt tle map is adapted so
that the combustion engine is engaged
later than in ‘Normal’ mode depending
on performance requirements. This is
activated via a but ton on the centre
console.
B at ter y.
The hybrid system features a high-
voltage nickel metal hydride (NiMH) bat-
tery consisting of 240 cells. It provides
the electric machine with the energy required for the vehicle to drive short
distances solely on electric power.
The compact bat tery is located under the
loadspace floor in the luggage compart -
ment. Weighing approximately 80 kg,
its dimensions are 426 mm x 925 mm x
286 mm.
The bat tery is designed to last without
the need for any maintenance throughout
its entire life. As the electric machine
also functions as a generator, it can
charge the bat tery under certain condi -
tions when the combustion engine is in
part-throt tle mode and through energy
recovery during braking. A special bat tery management and cooling system main
-
tains a constant temperature and
protects the battery from overheating.
It also monitors the charge/discharge
processes. As a result, the life of the
bat tery is optimised and its suitabilit y
for everyday use ensured, while offering
a high capacit y: 1.7 kWh.
Systems that are usually dependent on
the output provided by the combustion
engine, such as climate control, power
steering and brake assist, run solely
on electricit y on the Cayenne S Hybrid.
As they do not rely on output from the
engine, these functions remain active
when the car is running in electric mode or when it is ‘coasting’ or gliding along
with the engine turned off.
In summary: despite its six- cylinder
powerplant, the Cayenne S Hybrid offers
performance levels that are comparable
with an eight-cylinder unit – but with
significantly lower fuel consumption. Also
when it comes to hybrid drives, we’ve
taken a completely new path. Hardly
surprising really, with a technology this
convincing.
Cayenne S Hybrid system (combined)
Cayenne S Hybrid combustion engine
Cayenne S Hybrid electric machine
Energy management display in PCM: electric modeFor fuel consumption, CO2 emissions and efficiency class data, please refer to pages 150/151.
Cayenne S Hybrid: 580 Nm at 1,000 rpm, 279 kW (380 hp) at 5,500 rpm
100
50
0
300 350 400 450 500 550 600 650
0
30 60 90
120
150 180 210 240 270 300 330
150 200
250
Power (kW)
T orque (Nm)
1500
7500
2000 25003000 3500400045005000 5500600065007000
1000
Engine speed (rpm)
360 390 420
700580 Nm
279 kW (380 hp)
