You could probably look for the neutral bus which would have zero load and zero generation on it, connected to ground and exactly three other buses?
Shruti On Sun, Aug 23, 2015 at 5:24 AM, Abhyankar, Shrirang G. <[email protected]> wrote: > It would be hard to find which branches in the MATPOWER data constitute a > three-winding transformer if you don’t have the original cases. I guess > you’ll just have to choose sets of three branches and assume they > constitute three-winding transformers. > > Shri > > > > From: Jesus Maria Lopez Lezama <[email protected]> > Reply-To: MATPOWER discussion forum <[email protected]> > Date: Saturday, August 22, 2015 at 4:47 PM > To: MATPOWER Discussion Forum <[email protected]>, MATPOWER > Discussion List <[email protected]> > Subject: About three winding transformers and contingency analysis > > Dear all > > I want to run a contingency analysis (n-1) using Matpower 5.1 > The code I have is automated to take out one branch at a time. > However, three winding transformers are modelled as three different > branches. So, If I want to simulate the outage of such a transformer I must > take three braches at a time. > The problem consists on identifying the three winding transformers. > How do I identify a three winding transformers within the mpc.branch > matrix? > I tried to do it by checking different baseKV in mpc.bus; however all > baseKV values are the same. > > Has anyone had the same inquiry? > Can anyone give me some hints? > > Best regards, > Jesús López > > -- Best Regards, Shruti Dwarkanath Rao Graduate Research Assistant School of Electrical, Computer and Energy Engineering Arizona State University Tempe, AZ, 85281 650 996 0116
