Okay, thank you very much. Best regards, Lois.
On Thu, Oct 20, 2022 at 7:50 PM Ray Daniel Zimmerman <r...@cornell.edu> wrote: > I’m afraid I don’t understand the question. > > Let’s assume you are using a simple linear cost, such as that used by > load2disp(). In that case, as long as the price at the node is below that > cost, the load will be served. If it is higher than that cost it will be > curtailed. So if you want to ensure the load is served, use a very high > cost. Think of it as the cost of curtailing, or the value of serving, the > load. > > Ray > > > On Oct 20, 2022, at 2:38 AM, Lois Efe <efeloi...@gmail.com> wrote: > > Thank you very much, > I will like to ask how I would set the cost to reflect serving the load > > Best regards, > Lois > > On Wed, Oct 19, 2022 at 3:09 PM Ray Daniel Zimmerman <r...@cornell.edu> > wrote: > >> When using dispatchable loads, the range of load variation is determined >> by the limits on the associated “generator”. So for a load that can be >> dispatched between 50 and 100 MW, you would set PMIN to -100 and PMAX to >> -50. >> >> Where it is dispatched within that range is determined by the “cost” >> defined in gencost. >> >> You say that your load “only reduces but it does not increase”. I assume >> by that you are referring to changes from the original fixed load value, >> which load2disp() uses to set PMIN. If you want to allow the load to >> increase from there, you have to choose a smaller PMIN. To get the desired >> result, you will also need to make sure that you set the “costs” to reflect >> the value of serving that load. >> >> Hope this helps, >> >> Ray >> >> >> >> On Oct 13, 2022, at 6:22 AM, Lois Efe <efeloi...@gmail.com> wrote: >> >> Hi Ray, >> >> I have done that, and my load only reduces but it does not increase. I >> tried using the if/else rule but it didn't work. >> Please how can I do this, >> Also, how can I add constraints in my OPF code, say I want to ensure that >> the load reduction doesn't exceed a particular value? >> >> >> Best Regards, >> Lois. >> >> On Sat, Sep 10, 2022 at 1:35 AM Ray Daniel Zimmerman <r...@cornell.edu> >> wrote: >> >>> Sorry, no video about it, but you can use the load2disp() function to >>> turn your loads into dispatchable loads, then they will be dispatched based >>> on cost, just like a generator. >>> >>> Ray >>> >>> >>> > On Sep 7, 2022, at 6:16 AM, Lois Efe <efeloi...@gmail.com> wrote: >>> > >>> > Hi all, >>> > >>> > Can anyone recommend a link or video on how to make my OPF code reduce >>> and increase load at each bus using matpower? >>> > >>> > Best Regards, >>> > Lois. >>> >>> >>> >>> >> >
