Plug-in Hybrid vehicles

[Louis]

Hello,

I have a process representing PHEV vehicles. This process has two input commodities: ELEC and FUEL. And it can satisfy short and long distance demand. here we can focus only on the short distance demand. FLO_SHAR defines the proportion of ELEC and FUEL to use for 1 unit of demand. In this model, FLO_EMIS is used to define the efficiencies of each input commodity. I just want to be sure that i understand correctly:
DEM = FLO_EMIS(ELEC)*ELEC + FLO_EMIS(FUEL)*FUEL, where ELEC and FUEL are the input commodities (in PJ)
We also have: ELEC(PJ)/FUEL(PJ) = FLO_SHAR(ELEC)/FLO_SHAR(FUEL)

Is my understanding of the equations correct?

Thanks for your help,

[Antti-L]

It is hard to say, because FLO_EMIS expects both a commodity group and a commodity:

  FLO_EMIS(r,y,p,cg,com,ts) = value;

Here, cg is the "source" group or commodity, and com is the derived commodity. But in your model your FLO_EMIS seems to have only a commodity: you write FLO_EMIS(ELEC) and FLO_EMIS(FUEL)?

Anyway, I find your choice of using FLO_EMIS to define the efficiencies of each input commodity a bit strange, because you also say the process can satisfy short and long distance demand. I am not really able to understand the process specification with the incomplete information given. Maybe you could show all the process attributes, and other process characterization (PCG, full topology, timeslice level, process type)?

[Louis]

It is hard to say, because FLO_EMIS expects both a commodity group and a commodity:

  FLO_EMIS(r,y,p,cg,com,ts) = value;

Here, cg is the "source" group or commodity, and com is the derived commodity. But in your model your FLO_EMIS seems to have only a commodity: you write FLO_EMIS(ELEC) and FLO_EMIS(FUEL)?

Anyway, I find your choice of using FLO_EMIS to define the efficiencies of each input commodity a bit strange, because you also say the process can satisfy short and long distance demand. I am not really able to understand the process specification with the incomplete information given. Maybe you could show all the process attributes, and other process characterization (PCG, full topology, timeslice level, process type)?

Hi Antti-L,

Thanks a lot for your very rapid answer! I am attaching below a screenshot of the all the process attributes in VEDA (just, in the inputs of the process CARCPEHVGSL16, there are also two Long distance energy inputs that do not appear on the screenshot: LDBATPWRC and LDPUMPGSLSP95, that are respectively the input electricity and fuel). I hope this will be helpful.

Louis

[Antti-L]

Ok, thanks.

I see you have a rather complex modeling of these cars: Two pairs of input fuels, one for long distance and one for short, interesting.

So, I understand the idea now, and yes, for short distance (SD) you should get the equation:

  FLO(SD-DMD) = FLO_EMIS(SD-ELEC,SD-DMD)×VAR_FLO(SD-ELEC) + FLO_EMIS(SD-FUEL,SD-DMD)×VAR_FLO(SD-FUEL)

And similarly for long distance.  And yes, the input shares look to be ok as well.

[Louis]

Ok, thanks.

I see you have a rather complex modeling of these cars: Two pairs of input fuels, one for long distance and one for short, interesting.

So, I understand the idea now, and yes, for short distance (SD) you should get the equation:

  FLO(SD-DMD) = FLO_EMIS(SD-ELEC,SD-DMD)×VAR_FLO(SD-ELEC) + FLO_EMIS(SD-FUEL,SD-DMD)×VAR_FLO(SD-FUEL)

And similarly for long distance.  And yes, the input shares look to be ok as well.

Ok, many thanks!

Louis