Anyway, just to answer the question:
[EDIT:] In the above I was assuming that the process is defined on the DAYNITE or SEASON level, on the basis of the model you posted earlier. For users defining end-use heat-pumps on the ANNUAL level, note that in their case Input cannot be differentiated by timeslice (because it is defined from the activity to the input flow), but ACT_EFF and FLO_SHAR remain timeslice-dependent. Thus, when the process level is ANNUAL, you could define HPINV as an auxiliary commodity (or of type FIN), and then define e.g. ACT_EFF(NRG)=1, FLO_SHAR(ELC,AHT,FX)=0.25/0.75 = 0.333333, and Input(HPINV)=1. With different timeslice-dependent fixed FLO_SHAR values, you can then easily vary the ratio of ELC to AHT by season.
Diana Wrote:How can I establish that the production of each unit of heat (RHUN) out of these two processes needs 0.25 units of ELC, 0.75 units of AHT.....PLUS one unit of HPINV?That would be very easy. You can just define Input(ELC)=0.25, Input(AHT)=0.75 and Input(HPINV)=1. (Input is a VEDA attribute, alias for VDA_FLOP(r,y,p,cg,s), and so you can also differentiate it by season.)
[EDIT:] In the above I was assuming that the process is defined on the DAYNITE or SEASON level, on the basis of the model you posted earlier. For users defining end-use heat-pumps on the ANNUAL level, note that in their case Input cannot be differentiated by timeslice (because it is defined from the activity to the input flow), but ACT_EFF and FLO_SHAR remain timeslice-dependent. Thus, when the process level is ANNUAL, you could define HPINV as an auxiliary commodity (or of type FIN), and then define e.g. ACT_EFF(NRG)=1, FLO_SHAR(ELC,AHT,FX)=0.25/0.75 = 0.333333, and Input(HPINV)=1. With different timeslice-dependent fixed FLO_SHAR values, you can then easily vary the ratio of ELC to AHT by season.