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WLTC Mode Construction

WLTC Mode Construction. Prepared by Japan 17 th DHC Meeting Tokyo, Japan 20 th March 2013. 1. ICE / NOVC-HEV / CS test for OVC-HEV. Combined data (L ~ Ex-H). RCB factor@RCB(L~Ex-H). (only CO2). Combined data (L ~ H). Calculation process. RCB factor@RCB(L~H). (only CO2).

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WLTC Mode Construction

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  1. WLTCMode Construction Prepared by Japan 17th DHC Meeting Tokyo, Japan 20th March 2013

  2. 1. ICE / NOVC-HEV / CS test for OVC-HEV Combined data (L ~ Ex-H) RCB factor@RCB(L~Ex-H) (only CO2) Combined data (L ~ H) Calculation process RCB factor@RCB(L~H) (only CO2) Ki (L ~ H for PM, H for others or Ex-H for all) Ki (L ~ H) All except PM Sample (L ~ H) Sample (PM) LOW 589s MIDDLE 433s HIGH 455s Ex-HIGH* 323s Required measurement items per each test RCB(L) Sample(L) RCB(M) Sample(M) RCB(H) Sample(H) RCB(Ex-H) Sample(Ex-H) RCB Sample (all except PM) Ki (L) Ki (M) Ki (H) Ki (H or Ex-H) (only CO2) (only CO2) (only CO2) (only CO2) RCB factor@RCB(M) RCB factor@RCB(L) RCB factor@RCB(H) RCB factor@RCB(Ex-H) Calculation process L phase data M phase data H phase data Ex-H phase data Each phase information (note : no PM data is available) Note ) Ex-HIGH phase is exempted as per CPs need Fuel consumption is derived after carbon related pollutants were compensated.

  3. 2. CD test for OVC-HEV and BEV unit unit unit unit Calculate each phase values during CD (pollutants, CO2, FC, EAER, Rcda and so on

  4. 3. Ki Determination • Test without regeneration • each of L ~ H - Loading cycle Test with regeneration Start of regeneration LOW 589s MIDDLE 433s HIGH 455s LOW 589s MIDDLE 433s HIGH 455s LOW 589s MIDDLE 433s HIGH 455s 1 2 ・ ・ ・ n Sample#1 Sample#2 Sample#3 LOW 589s MIDDLE 433s HIGH 455s PM sampling Under regeneration ・ ・ ・ End of regeneration Enormal･LOW(g/km) DLoad (km) (including test distance) LOW 589s MIDDLE 433s HIGH 455s Sample#1 Sample#2 Sample#3 <Example of additive Ki factor for Low phase> PM sampling ( Enormal･LOW * DLoad + Eregen･LOW * Dregen ) Ki = Eregen･LOW(g/km) = ∑ Mregen･LOW (k) / DLOW *n Dregen (km) - Enormal･LOW*(DLoad+ Dregen) n k=1 Ex-H phase Ki : allow to use H (L~H for PM) phase Ki As an option, allow to conduct Ex-H Ki determination

  5. 4. RCB Compensation Factor for CO2 RCB factor for each phase and whole test phases preconditioning LOW 589s MIDDLE 433s HIGH 455s Ex-HIGH 323s Set SOC at several level Overnight soak sampling LOW 589s MIDDLE 433s HIGH 455s Ex-HIGH 323s Sample CO2 and RCB CO2 Obtain RCB compensation factor for whole phases RCB (Ah/km)

  6. 4-1. RCB Compensation Factor (Validation2) Horizontal unit Ah  Ah/km

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