WLTP-E-Lab Sub GroupProgress 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.

Item

NoIssue 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

Open issues of E-lab sub group

Driving cycle [/]

Fully Charged

Recharging

Ch

arg

ing

Con

dit

ion

[A

h]

Recharge

Test n

(transient)

soak

ΔE0 ΔE1

19

7

Item

NoIssue Solution Status Vehicle

14 RCB correction window

L+M :+/- 1.5%

L+M+H: +/-1.0%

L;M+H+exH:+/-0.5%

of Energy content of the consumed fuel

Closed OVC-HEV

(CS test)

NOVC-HEV

∆R

CB

(A

h)

CycleStart End

⊿RCB during test

StartWithin window

=>No correction

RCB correction window

70 90

22

34

120 135

Class3

Class2

Class1

L3+M3+H3 (+ExH3)(ver.5.3)

L3+M3+H3(ver.5.1)

L2+M2+L2 L2+M2+H2

L1+M1+L1L1+L1+L1

L2+M2+H2(+ExH2)PMR

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.

All electric vehicle shall be Class 3.

Item

NoIssue 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

Further discussion is necessary to finalize vehicle classification.

Phone meeting will be held after GRPE.

Item

NoIssue 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

NoIssue Solution Status Vehicle

24 Methodology to make Utility factor

Regional Utility Factor

For WLTP Phase 1

Global harmonized UF should be considered Phase 2.

Closed OVC-HEV

26 Number of Utility factor

Regional Utility Factor

For WLTP Phase 1

Global harmonized UF should be considered Phase 2.

Closed OVC-HEV