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RDE TOOL PHEV
EG-603, 04.05.2016
CHARGE DEPLETING & SUTAINING METHODE
Seite 2
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Seite 3RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
RDE PHEV. WLTP REFERENCE
Seite 4
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Low (19 km/h)
Delta SOCLow-CS
gCO2 / km
from ICE
gCO2 / km
Fuel Consumption
Energie
ΔSOC
gCO2 / km
from charging
/ discharging
Seite 5
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Low (19 km/h)
Delta AhLow-CS
gCO2 / km
from ICE
gCO2 / km
gCO2 / km
from charging
/ discharging
Energy = ΔAh*UNWh
LitersCons. =Energy*3.6
ηrel,ICE*ηrel,EM*HuFuel*ρFuel
l/100kmCons./100km =distance
Cons. * 100
CO2 = Cons./100km * 23,3 gCO2/km
Energy
ΔAh
UN= nominal voltage (e.g. 300V)ηrel,ICE ~ 40%ηrel,EM ~ 90%
HuFuel= 42500kJ/kgρFuel = 0.756 kg/l
Fuel Consumption
Seite 6
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Low (19 km/h)
Delta AhLow-CS
gCO2 / km
from ICE
gCO2 / km
Energy
ΔAh
gCO2 / km
from charging
/ discharging
Fuel Consumption
Seite 7
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Low (19 km/h)
Delta AhLow-CD
Delta AhLow-CS
gCO2 / km
from ICE
gCO2 / km
Energy
ΔAh
gCO2 / km
from charging
/ discharging
Wh / kmΔAh
ICE not
runningLow (19 km/h)
Fuel Consumption
Seite 8
RDE PHEV. WLTP REFERENCE
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Velocity
Profile
SOC
Phase 1 Phase 2 Phase 3 Phase 4 Phase 1 Phase 2 Phase 3 Phase 4
Low (19 km/h)
Delta AhLow-CD
Delta AhLow-CS
gCO2 / km
from ICE
gCO2 / km
Energy
ΔAh
gCO2 / km
from charging
/ discharging
ICE not
runningLow (19 km/h)
Wh / kmΔAh
Fuel Consumption
Seite 9
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Window Open
Seite 10
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
gCO2 from ICE
Energy from battery
Window Open
Seite 11
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
ICE running
CS
gCO2 from ICE
Energy from battery
Window Open
Seite 12
RDE PHEV
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
ICE running
CS
The window will close only
when the CO2 from the ICE
within the window is
higher than xx gCO2
Notice
Window Close
gCO2 = xx g
Energy from battery
Window Open
Seite 13
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
ICE running
CS
gCO2 / km
The window will close only
when the CO2 from the ICE
within the window is
higher than xx gCO2
Notice
Window Open
gCO2 = xx g
Energy from battery
Window Close
Seite 14
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
gCO2 / km from ICE
ICE not
running
CD
Window Open
Energy from
discharging
Seite 15
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
ICE not
running
CD
Window Open
Energy from
discharging
Seite 16
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Energy from
discharging = xx Wh
ICE not
running
CD
The window will close only
when the electric energy
within the window is
higher than xx Wh
Notice
Window Open Window Close
Seite 17
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
Energy from
discharging = xx Wh
ICE not
running
CD
Wh / km
The window will close only
when the electric energy
within the window is
higher than xx Wh
Notice
Window Open Window Close
Seite 18
RDE PHEV. ROAD MEASUREMENT
RDE PHEV, EG-603, 04.05.2016
Charge Sustaining Charge Depleting
ICE not
running
CD
Wh / km
The window will close only
when the electric energy
within the window is
higher than xx Wh
Notice
Energy from
discharging = xx Wh
Window Open Window Close
Seite 19
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
No correction of reference values, no correction of measured values
Seite 20
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
Correction of reference values, no correction of measured values
ηrel,ICE = 40%
ηrel,EM = 90%
Seite 21
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
Correction of reference values and correction of measured values
ηrel,ICE = 40%
ηrel,EM = 90%
Seite 22
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
ηrel,ICE = 38%
ηrel,EM = 90%
Correction of reference values and correction of measured values
Seite 23
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
ηrel,ICE = 40%
ηrel,EM = 85%
Correction of reference values and correction of measured values
Seite 24
RDE TOOL PHEV. RESULTS CS DRIVE
RDE PHEV, EG-603, 04.05.2016
ηrel,ICE = 40%
ηrel,EM = 90%
Ubatt = real values
Correction of reference values and correction of measured values
Seite 25
RDE PHEV. RESULTS DRIVE STARTED IN CD
RDE PHEV, EG-603, 04.05.2016
Wh/km gCO2/km
Seite 26
RDE PHEV.
RDE PHEV, EG-603, 04.05.2016
gCO2/kmWh/km
Urban Rural Mot. Urban Rural Mot. Urban Rural Mot. Urban Rural Mot. Urban Rural Mot.
0 673 631 0 0 0 465 1104 388 264 0 0 729 1777 1019 3525
0% 38% 62% 21% 50% 29%
Normal Normal Plus Normal Minus Out All Windows
Urban Rural BAB Urban Rural BAB Urban Rural BAB Urban Rural BAB Urban Rural BAB
gCO2/km 0 1154 995 0 0 0 729 623 24 0 0 0 729 1777 1019
Wh/km 1447 0 0 0 0 0 0 0 0 0 0 0 1447 0 0
gCO2/km & Wh/km 1447 1154 995 0 0 0 729 623 24 0 0 0 2176 1777 1019 4972
66% 65% 98% 44% 36% 20%
Normal Normal Plus Normal Minus Out All Windows
Whref= ½*WhWLTP
gCO2/km
EMRoad
EMRoad
BMW proposal
invalid
valid
Seite 27
RDE PHEV. JRC-PROPSAL CS-MODE.
RDE PHEV, EG-603, 04.05.2016
EU-Comm (JRC) restricts possibilities for future
developements in CO2-Reduction
EU-Comm (JRC) does not fullfill therequirements for Normalisation anymore
e.g. Starting in CS-Mode -> switching to CD-Mode
SOC
EMRoad not working (no rural CO2)
by widening the tolerances
EMRoad is not a Normalisation-Tool anymore
same EMRoad
Result
SOCunnormal driving style
SOCload point increase (normal driving style)
Seite 28
RDE PHEV. SUMMARY
RDE PHEV, EG-603, 04.05.2016
• By adapting EMroad according to BMW proposal, „invalid“ drives according to original
EMroad turn into valid, especially for CD-Mode.
• Starting in CS-Mode cannot avoid switching to CD-Mode (e.g. by SAVE Battery Mode or
downhill drive). Thus widening the tolerance margin is not sufficient as significant share of
distance could be driven in electric mode only => no CO2 windows.
Furthermore severe driving could be declared as valid by increasing the margin.