Dear Ray, Thanks for your response. In my case, V1 is a generator bus with 1.025 p.u. and V2 is a known PQ bus with 1 p.u. This implied Tap is 1.02?
On Oct 17, 2017 4:27 PM, "Ray Zimmerman" <r...@cornell.edu> wrote: > The tap ratio is the off-nominal tap ratio, relating per-unit voltages, > not kV voltages. So if both voltages are at their nominal values (i.e. both > at 1 p.u.) then the TAP should be 1 and SHIFT should be 0. > > Ray > > > On Oct 17, 2017, at 6:23 AM, Ahmad Sadiq Abubakar < > ahmad.abuba...@futminna.edu.ng> wrote: > > Hi, all > For a given case branch data r, x, b, assuming the branch is a > transformer, between bus1 and bus2, with voltages V1 and V2 KV > respectively. How do I obtain the Tap ration (column 9) and shift (column > 10) of the branch matrix? > > I have simply used V1/V2 as the Tap ration while the shift is zero, > however, the power flow did not converged. Am I missing something? > > Kindly assist > > best regrads > A. A. Sadiq > > >
