1. WLTP validation test results for BEV(i-MiEV) & OVC-HEV (Prius PHV)
National Traffic Safety and Environment Laboratory
WLTP-DTP-ElabProc-071rev

2. BEV Validation Test Results (i-MiEV)
Vehicle condition:
2009 Model
Odometer : 7352 km (before the test)
Mode
Range*
[km]
Electric energy consumption [Wh/km]
Low
127.3
130
Mid
112.1
132
High
108.1
135
Ex-High
82.4
200
All
104.0
142
*) note : stop conditions are slightly different from draft gtr requirement

3. Energy vs Driving Distance

4. The vehicle’s behavior in ends of test drives
≪Low≫
42nd cycle
Battery indicator
41st cycle
≪High≫
Speed pattern
Measured speed
Speed pattern
Measured speed
4s deviation
26th cycle
Battery indicator
Speed pattern
Measured speed
Time (sec)
≪ex-High≫
Speed pattern
Measured speed
Battery indicator
10th cycle
Time (sec)
≪Mid≫
Battery indicator
24th cycle
Time (sec)
Speed pattern
Measured speed
≪all≫
Speed pattern
Measured speed
Battery indicator
5th cycle
Time (sec)
The test vehicle was controlled to trace each speed pattern in tests as much as the driver was able to do.
Time (sec)

5. Additional information
Fluctuations after charge completion are not observed on this vehicle.
＜example ＞
　26 June 2012　Start of Charging at am 9:00
　26 June 2012　Charging current became Zero at pm4:00
Accumulated charged energy was kWh.
　27 June 2012 plug-off at am 9:00

6. OVC-HEV Validation Test Results (Prius PHV)
Vehicle condition:
2012 Model
Odometer : 4311 km (before the test)
index
WLTP (CL3 V5)
Combined fuel consumption km/L
38.1
CS fuel consumption km/L
24.6
CD fuel consumption km/L
65.0
CD range km
35.5
Equivalent EV range km
17.7
Electric energy per charging kWh
3.06
Electric energy consumption km/kWh
5.8
Note : apply current Japanese regulation for calculation

7. Charged Energy Profile (Prius PHV)

8. CD  CS Transient Profile
Apply current Japanese regulation.
This will be reviewed with other validation results.
1st cycle
2nd cycle
3rd cycle
4th cycle ①
SOC(Start/End) [%]
85.0 / 36.0
34.1 / 27.0
25.8 / 27.0
26.2 / 27.0 ②
Fuel Economy [km/L]
233.36
27.38
24.96
25.05 ③
Fuel consumption [L]
0.10
0.85
0.93 ④
Equivalent ΔAh×2%
Calculated from Fuel consumption
0.09
0.75
0.82 ⑤
ΔAh
11.40
1.57
0.29
0.21 ⑥
CD / CS determination (④＞⑤) CD CS ⑦
CO2 [g]
771.1
2014.6
2211.5
2204.4

9. Comparison of each phase Results (Prius PHV)
index
Low
Mid Hi
Ex-Hi
All
Combined fuel consumption km/L
59.5
53.2
45.1
27.0
38.1
CS fuel consumption km/L
30.0
30.3
26.3
18.5
24.6
CD fuel consumption km/L
339.5
181.4
120.5
43.8
65.0
CD range km
32.4
29.5
31.4
32.5
35.5
Equivalent EV range km
25.4 19
18.9
14.1
17.7
Electric energy kWh
2.99
3.03
(2.98)※
(2.99) ※
3.06
Electric energy consumption km/kWh
8.5
6.3
(6.3) ※
(4.7) ※
5.8
※ The electric energy was measured before tests,
Need further analysis whether combined (all phases and/or specific phases) results can be obtained from each phase result or not. If not, independent combined test is necessary.

10. Fuel Consumption in CS Operation
≪Low≫
≪Hi≫
 Fuel consumption was increased as the increase of speed.
≪Mid≫
≪Ex-Hi≫
≪All≫

11. CO2 emission in CS operation
≪Low≫
≪Hi≫
≪Mid≫
≪Ex-Hi≫
≪All≫

12. Additional Pollutants in CS operation
No obvious relationship between the AP constituents and ΔAh was observed

13. Additional information
Fluctuations in charging were not observed.
hours

14. appendix

15. Utility Factor used for this study (i. e
Utility Factor used for this study (i.e. defined in Japanese regulation)
UF = 0.57
Rcd = 35.5 km

16. Calculation formulas CD Running Ratio during transition cycle
Engine start
cycle
CD Running Ratio during transition cycle
Transition
cycle
CO2(CS cold) - CO2(2nd cycle)
k =
First CS
cycle
CO2(1st cycle)
CD range
Rcd =
23,262×(1+k)
Equivalent EV range
CO2(CS cold) - CO2(1st cycle)
Rev =
23,262× ＋
CO2(CS cold)
CO2(CS hot) - CO2(2nd cycle)
CO2(CS hot) 1
CS Fuel Economy
(FEcs) =
0.25
0.75 ＋
CO2(CS cold)
CO2(CS hot)
k/(23,262)
CD Fuel Economy
(FEcd) = 1 k ＋
FE(1st cycle)
FE(2nd cycle)

17. Calculation functions1
Combined Fuel Economy = UF
1-UF ＋
FEcd
FE(cs)
Rev
Electricity Power efficiency =
AC Charged Energy kWh

18. Vehicle spec. Vehicle weight [kg] 1,100 Permanent magnet
synchronous motor
Type
Max. output
[kW/min-1]
47 / 3,000 ～ 6,000
Motor
Max. torque
[Nm/min-1]
180 / 0 ～ 2,000
Max. speed
[min-1]
8,500
Type
Lithium-ion cells
Drive
battery
Rated voltage
[V]
330
Rated capacity
[kWh] 16
2009 years model
Control system
Inverter control
Driving method
Rear-wheel drive
Non-blended regenerative brake system
Vehicle condition (7/2012)
Odometer : 5269 km

19. Chassis dynamometer Operation room Vehicle test room
<MEIDACS – DY6200P>
<Dynamo meter （Fr or Rr or 4WD）>
　　Alternating current system
　　　・Absorption power : 220kW
　　　・Motoring power : 200kW
　　 Electrical inertia method
　　　・2WD total : 570 – 2750 kg
　　　・4WD total : 800 – 3500 kg

20. Measurement machine Prove CAN monitor Front PC Data logger
telecommunication
equipment
Rear
・Vehicle speed
・Battery voltage
・Motor current
・Accessory current
・Air-conditioner / Heater current
・Outdoor / Room temperature
Connector