Anxiety Rekk EV idde or Plugin Hybrid Vehicles Facts about EV range EV or Plugin Hybrid TEMPO 13 mai 2013 Rolf Hagman rhatoino EV Range Anxiety 2 Assessing ID: 495219
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Slide1
Range Anxiety, RekkEVidde or Plug-in Hybrid Vehicles
Facts
about
EV range
EV or
Plug-in
Hybrid?
TEMPO - 13. mai 2013 - Rolf Hagman
rha@toi.noSlide2
EV - Range Anxiety2Slide3
Assessing Range Anxiety3Slide4
RekkEVidde (EV range) Consortium4Slide5
RekkEVidde objectives5Slide6
What about range for the new EVs?
6
Citroën C-Zero
Nissan Leaf
Scientific
aproach
Range is
influenced
by - driving
pattern
(
cycle
),
low
temperature
, rolling and air
resistence
(
coast
down
)Slide7
Real winter and laboratory tests7
Test
cell
-
VTTReal winter Artic Falls - TSSSlide8
Real winter results - Rolling resistance:Coast down 25 – 5 km/h (TSS)8Slide9
Laboratory tests conditions - VTT9
Normal temperature (+23 °C)
Air resistance for normal temperature
Road load for normal asphalt
Intermediate ambient temperature (-0°C)Air resistance for intermediate temperatureRoad load for normal asphaltLow ambient temperature (-20 °C)Air resistance for low temperatureRoad load for normal asphaltRoad load for old snowRoad load for new snowSlide10
Results for one of the EVsEnergy Consumption (kWh/km)Driving – external cabin heating10Slide11
Results for one of the EVs Estimated driving range (km)Driving – external cabin heating11
Note
that
this EV perform better with the Helsinki City driving cycle on asphalt than with the NED Cycle
on asphalt Slide12
Results for one of the EVs Estimated driving range at -20 ºC (km)Driving – with battery heating 3 kWRange Anxiety at
remote
areas -20 ºC!!!
12
Measures to reduce range anxiety at -20 ºC: Vehicle electric pre-heating and liquid fuel cabin heater.
Or a plug-in Hybrid vehicle might be the right choice?Slide13
Avaliable plug-in hybrid vehicles in Norway
13
In
relation
to today’s combustion engine vehicles
- realistic tailpipe CO2 savings: ”Power split hybridisation” (Toyota style) - 30 % Plug-in hybridisation - 60 % Slide14
Plug-in hybrid vehiclesTwo technologies in one vehicle
EV for
short
trips
Hybrid vehicle for long tripsNo range anxiety14Discharging
HybridToyota pictureSlide15
Plug-in Prius pre commercial tests with leased vehicles
Average
driving
trip lengths15Slide16
16
Plug-in
Prius
pre commercial tests
with leased vehicles Average
petrol
consumption/CO
2
emissionsSlide17
17
EVs
Size
Driving range need
Petrol,
diesel,
biofuels
Electric energy
Plug-in Hybrid vehicles
Avoiding
Range
Anxiety
in
cold
climate