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
