Re: A question about transformer modeling with uk, ur

2016-05-13 Thread Shuo Chen
load to test the behaviour between Matpower and netomac. I'm not used to netomac, so can't help here directly. Nice regards, Chris 2016-05-10 13:22 GMT+02:00 Shuo Chen <shuo.c...@st.ovgu.de>: Dear Chris, thanks for your reply, actually we are getting the same transformer data. In my power syst

Re: A question about transformer modeling with uk, ur

2016-05-10 Thread Shuo Chen
the transformer, so that even if I give them the same input, PF results could still differ. best regards Shuo Zitat von Chris Prokop <christophprok...@gmail.com>: Dear Shuo Chen, I'm used to similar data and calculate r and x as (ur, uk in p.u., base_MVA and S_transformer in MVA): -

A question about transformer modeling with uk, ur

2016-05-09 Thread Shuo Chen
Dear Ray and matpower users, i'm writing my thesis about a data-converter for two power system simulation softwares: PSSE@Netomac from Siemens and matpower. Here is a problem with transformer modeling, i've read a lot in this archive but still can't solve it, so i decide to post my