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] <mailto:[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
        <http://www.pserc.cornell.edu/matpower/manual.pdf>.

-- 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] <mailto:[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

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