If you are referring to the mechanism described in Section 6.5.2 in the User's Manual, then yes. In that context, each interface is defined in terms of a specific set of branches, so you could define it only in terms of the direct links between areas 1 and 2.
-- Ray Zimmerman Senior Research Associate 419A Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Jan 15, 2013, at 7:12 AM, Aneta Goska <[email protected]> wrote: > Thank you for your answer. Let me ask you one small question. Assume that we > have 2 areas and links between them and area 3. > > Power, from area 1 to area 2, can flow : > 1. directly through branches that belong to interface area1-area2. > 2. through area3 (from area1->area3->area2). > > Is there any way to consider first transfer throw direct links and skip > transfer through area3 ? > > Regards, > Aneta > > > W dniu 2013-01-08 15:15, Ray Zimmerman pisze: > Sorry, I should have mentioned that the interface constraints were based on > DC flow models. This is because the current version of the MATPOWER OPF > formulation makes it easy to add linear constraints, whereas adding > non-linear constraints would require non-trivial modifications to the code. > So it's the latter … implementation complexity. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Jan 8, 2013, at 4:05 AM, Aneta Goska <[email protected]> wrote: > > Thank you very much for your help. Let me ask you a question, why this is > done as DC (not AC) ? > (Because of computational cost or implementation complexity ?) > > Best regards, > Aneta > > > W dniu 2013-01-02 16:38, Ray Zimmerman pisze: > See Section 6.5.2 in the User's Manual. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Jan 2, 2013, at 4:00 AM, Aneta Goska <[email protected]> wrote: > > Dear all, > I have a question regarding the max P constraints of the group of branches. > Are there easy way to set up constraints for group of links > For example > case9Q branch 5-4 PF+branch 5-4 PF < assumed Const > > Best regards, > Aneta > -- > Pozdrawiam, > Aneta Goska > > > > -- > Pozdrawiam, > Aneta Goska > > > > -- > Pozdrawiam, > Aneta Goska
