Or read Dr. Zimmerman's PhD dissertation.  :-)



On Thu, Jan 16, 2014 at 9:10 AM, Robert Spiewak <
[email protected]> wrote:

> 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
> >
> >
> >
>
>
>

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