WLTP-E-Lab Sub Group 2nd Face to Face meeting

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WLTP-E-Lab Sub Group
Progress report
WLTP-DTP-E-LabProc-094
Leader: Per Ohlund / Kazuki Kobayashi
Lab process-EV meeting in Brussels
Face to Face meeting was held on 16th and 17th
of May in Brussels.
 Open issues were discussed.
Shorten test procedure for BEV
Utility factor
RCB correction
Break off criteria
gtr text
and so on.

Open issues of E-lab sub group
Item
No
Issue
Solution
Status
Vehicle
7
Criteria for end of
charging
The state of charge after charging shall not be
less than that before CD test. Specific tolerance
may be allowed based on further investigation.
Closed.
gtr text should be
considered
PEV
OVC-HEV
14
RCB correction
window
(next page)
L+M
:+/- 1.5%
L+M+H: +/-1.0%
L;M+H+exH:+/-0.5%
Closed
NOVC-HEV
OVC-HEV
19
Calculation method of
CD to CS break off
criteria
Based on Cycle energy demand
Criteria should be 3 or 4 %.
Almost Closed
3 or 4 % will be
decided later.
OVC-HEV
Charging Condition [Ah]
7
19
Fully Charged
ΔE0
ΔE1
Test n
Driving cycle [/]
(transient)
Recharge
soak
Recharging
Item
No
Issue
Solution
Status
Vehicle
14
RCB correction
window
L+M
:+/- 1.5%
L+M+H: +/-1.0%
L;M+H+exH:+/-0.5%
Closed
OVC-HEV
(CS test)
NOVC-HEV
of Energy content of the consumed fuel
RCB correction window
∆RCB (Ah)
Within window
Start
=>No correction
Start
Cycle
⊿RCB during test
End
Item
No
Issue
Solution
Status
Vehicle
21
Vehicle classification
PMR:All electric vehicle shall be
Class 3.
Max speed: To be discussed
PMR: Closed
Max Speed: Open
PEV
OVC-HEV
NOVC-HEV
L3+M3+H3
(ver.5.1)
All electric vehicle
shall be Class 3.
L3+M3+H3 (+ExH3)
(ver.5.3)
Class3
34
L2+M2+L2
PMR
L2+M2+H2
L2+M2+H2(+ExH2)
Class2
22
Class1
L1+M1+L1
L1+L1+L1
70
90
120
135
Maximum speed
Japan proposed to use Maximum speed in
R68 .
Maximum speed means:
For electric vehicle, the highest average
value of the speed, which the vehicle can
maintain twice over distance of 1 km.
Further discussion is necessary to
finalize vehicle classification.
Phone meeting will be held after
GRPE.
Item
No
Issue
Solution
Status
Vehicle
22
Shorten test
procedure
Japan prepared 2 options.
Almost Closed
PEV
Option 1:Calcuration method for Each phase range
Japan proposed to calculate each phase range from total WLTC result
=>Written in gtr with square bracket.
Option 2:Shorten test procedure proposed by Japan
=>To be considered in WLTP Phase 2
Item
No
Issue
Solution
Status
Vehicle
24
Methodology to make
Utility factor
Regional Utility Factor
For WLTP Phase 1
Closed
OVC-HEV
Closed
OVC-HEV
Global harmonized UF should be
considered Phase 2.
26
Number of Utility
factor
Regional Utility Factor
For WLTP Phase 1
Global harmonized UF should be
considered Phase 2.
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