Hi Dear Dr Zimmerman, Thanks a lot for your reply.
i set the transmission line parameters as below: r = 0, x = 0.001, b = 0 and finally i got the expected result. im working on my MSc thesis and i have some problems with modelling of one of the FACTS devices. can i have your email please? Best Regards, E. Heidari On 30/06/2010, Ray Zimmerman <[email protected]> wrote: > A phase shifting transformer is modeled as an ideal phase shifting > transformer in series with a pi-model transmission line. So the angle > difference between the buses includes the phase shift from the transformer > plus the phase angle difference due to flow through the series reactance. > > -- > Ray Zimmerman > Senior Research Associate > 211 Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > On Jun 25, 2010, at 2:11 PM, Ehsan Heidari wrote: > >> Hi Dear Mr Zimmerman, >> >> Thanks for your attention. >> >> My English language is poor but i will try to explanation my work. >> >> I expected that when i place a PST between to buses and define a specific >> phase shift value, then phase difference between them must be same as >> above value. >> but this is not satisfy after run the power flow program. >> >> sorry for my poor language. >> Best Regards, >> Ehsan Heidari > > > > -- Regards, E. Heidari
