COMMISSION IMPLEMENTING DECISION (EU) 2020/1232
of 27 August 2020
on the approval of the efficient generator function used in 12 Volt motor-generators for use in passenger cars and light commercial vehicles, including certain hybrid electric vehicles and vehicles capable of running on alternative fuels, as an innovative technology pursuant to Regulation (EU) 2019/631 of the European Parliament and of the Council
(Text with EEA relevance)
Article 1
Innovative technology
Article 2
Application for certification of CO
2
savings
Article 3
Certification of CO
2
savings
Article 4
Eco-innovation code
Article 5
Entry into force
ANNEX
Methodology to determine the CO
2
savings of the technology used in a 12 Volt efficient motor-generator for conventional combustion engine and certain hybrid electric passenger cars and light commercial vehicles
1. INTRODUCTION
2. DETERMINATION OF THE EFFICIENCY OF THE 12V MOTOR GENERATOR
Operating point i |
Holding time [s] |
Rotational frequency ni [min–1] |
Frequency of operating points hi |
1 |
1 200 |
1 800 |
0,25 |
2 |
1 200 |
3 000 |
0,40 |
3 |
600 |
6 000 |
0,25 |
4 |
300 |
10 000 |
0,10 |
Formula 1
Formula 2
3. CALCULATION OF THE CO
2
SAVINGS AND THEIR UNCERTAINTY
3.1.
Saved mechanical power
Formula 3
Formula 4
Formula 5
3.2.
Calculation of the CO
2
savings
Formula 6
Type of engine |
Consumption of effective power (VPe) [l/kWh] |
Petrol- or E85-fuelled other than turbo-charged |
0,264 |
Turbo-charged petrol- or E85-fuelled |
0,280 |
Diesel-fuelled |
0,220 |
LPG fuelled |
0,342 |
Turbo-charged LPG-fuelled |
0,363 |
|
Consumption of effective power (VPe) [m3/kWh] |
CNG (G20) other than turbo-charged |
0,259 |
Turbo-charged CNG (G20) |
0,275 |
Type of fuel |
Conversion factor (CF) [gCO2/l] |
Petrol/E85 |
2 330 |
Diesel |
2 640 |
LPG |
1 629 |
|
Conversion factor (CF) [gCO2/m3] |
CNG (G20) |
1 795 |
3.3.
Calculation of the uncertainty of the CO
2
savings
Formula 7
Formula 8
Formula 9
3.4.
Rounding
3.5.
Check against the minimum CO
2
savings threshold
Formula 10
Type of fuel |
CO2 correction ( [Bild bitte in Originalquelle ansehen] ) [gCO2/km] |
Petrol/E85 |
0,0277 • Δm |
Diesel |
0,0383 • Δm |
LPG |
0,0251 • Δm |
CNG |
0,0209 • Δm |