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.
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
> Reply-To: MATPOWER discussion forum
> Date: Saturday, August 22, 2015 at 4:47 PM
> To: MATPOWER Discussion Forum , MATPOWER
> Discussion List
> 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
