Talk to Dr. Zimmerman... Best Regards,
Robert Spiewak +1(713) 826-9758 (Sent from Remote) > On Jan 16, 2014, at 7:49, Theofilos Xanthos > <[email protected]> wrote: > > Thanks for the answer Robert. > > Actually I thought the same, but I heard there are custom modifications on > Matpower to extend it for three phase simulation. > Anyone has any knowledge on that? > > Kind Regards, > Theofilos > >> On 01/16/14, Robert Spiewak <[email protected]> wrote: >> >> Yes and no. >> >> I tryied what you sugest but it did not work. It is just too many >> diferences. I am doing it in steps now as I could not make Matpower to work >> for me. >> >> You need to have system description in a phase frame of reference and then >> you need to modyfy code to calculate in a phase frame of reference. >> See Arrillaga/Arnold book for details. >> Radial systems are much cleaner/easier if you can just focus on them, but NR >> and L methods are time consuming to develope and test. >> >> Good luck! >> >> Best Regards, >> >> Robert Spiewak >> (Sent from Remote) >> >>> On Jan 16, 2014, at 7:01, Theofilos Xanthos >>> <[email protected]> wrote: >>> >>> Dear all, >>> >>> I would like to use Matpower for unbalanced three phase distribution >>> systems, state estimation programming. >>> >>> Since Matpower only uses one phase equivalents, can any modification be >>> done to a case file to represent a >>> three phase unbalanced system. For example, have three 0,+120,-120 degrees >>> reference bus nodes instead of one, and then solve >>> the state estimation problem on 3 radial topologies interconnected by >>> mutual coupling terms? >>> I am quite an amateur in Matpower, just starting now to understand its >>> mechanics. >>> >>> Kind Regards, >>> Theofilos > > >
