Thank you for your responses, any good literature for understanding modelling and simulation of three-phase unbalanced networks?
On 01/16/14, Ray Zimmerman <[email protected]> wrote: > Unfortunately, I am not aware of any customizations that allow MATPOWER to > handle unbalanced three-phase networks. > > > > > > > > > -- > Ray Zimmerman > Senior Research Associate > B30 Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > > > > On Jan 16, 2014, at 9:26 AM, Jovan Ilic <[email protected] > <[email protected]>> wrote: > > > > > > > > > Or read Dr. Zimmerman's PhD dissertation. :-) > > > > > > > > > > > > > > > > On Thu, Jan 16, 2014 at 9:10 AM, Robert Spiewak > > <[email protected](javascript:main.compose()> wrote: > > > > > > > Talk to Dr. Zimmerman... > > > > > > > > > > > > Best Regards, > > > > > > > > > > > > Robert Spiewak > > > > > > +1(713) 826-9758(tel:%2B1%28713%29%20826-9758) > > > > > > (Sent from Remote) > > > > > > > > > > > > > > > > > > > On Jan 16, 2014, at 7:49, Theofilos Xanthos > > > > <[email protected] <[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] > > > >> <[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] <[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 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
