Re: AC OPF Convergence Issue

2018-03-13 Thread Aakanksha Dubey
> >> >> >> Thanks, >> >> Shri >> >> Ph: (630) 252 0219 <(630)%20252-0219> >> >> www.mcs.anl.gov/~abhyshr >> >> *From: *<bounce-122357558-73493...@list.cornell.edu> on behalf of >> Aakanksha Dubey <aad...@leh

Re: AC OPF Convergence Issue

2018-03-13 Thread Ray Zimmerman
lehigh.edu>> > Reply-To: MATPOWER discussion forum <matpowe...@list.cornell.edu > <mailto:matpowe...@list.cornell.edu>> > Date: Wednesday, March 7, 2018 at 4:23 PM > To: "MATPOWER-L@cornell.edu <mailto:MATPOWER-L@cornell.edu>" > <MATPOWER-L@

Re: AC OPF Convergence Issue

2018-03-08 Thread Abhyankar, Shrirang G.
at 4:23 PM To: "MATPOWER-L@cornell.edu<mailto:MATPOWER-L@cornell.edu>" <MATPOWER-L@cornell.edu<mailto:MATPOWER-L@cornell.edu>> Subject: AC OPF Convergence Issue Hi All, I am developing a model for transmission grid at Lehigh Valley. My model seems to converg

Re: AC OPF Convergence Issue

2018-03-07 Thread Aakanksha Dubey
gt; on behalf of > Aakanksha Dubey <aad...@lehigh.edu> > *Reply-To: *MATPOWER discussion forum <matpowe...@list.cornell.edu> > *Date: *Wednesday, March 7, 2018 at 4:23 PM > *To: *"MATPOWER-L@cornell.edu" <MATPOWER-L@cornell.edu> > *Subject: *AC OPF Conver

Re: AC OPF Convergence Issue

2018-03-07 Thread Abhyankar, Shrirang G.
ER-L@cornell.edu" <MATPOWER-L@cornell.edu> Subject: AC OPF Convergence Issue Hi All, I am developing a model for transmission grid at Lehigh Valley. My model seems to converge for DC OPF but is unable to converge for AC. I have tried the following to make it converge but nothing wo

Re: AC OPF Convergence Issue

2018-03-07 Thread Mirish Thakur
Hi, I would recommend you to go through these 8 steps (Incremental approach) suggested by Jose L. Marin. Click the link given below and follow the steps. When I was working with the German Grid I had same problems but these steps really worked out in my case. I hope you will get solution.

AC OPF Convergence Issue

2018-03-07 Thread Aakanksha Dubey
Hi All, I am developing a model for transmission grid at Lehigh Valley. My model seems to converge for DC OPF but is unable to converge for AC. I have tried the following to make it converge but nothing works: - Relaxed Vmax, Vmix, BR_R, Rate_A,Rate_B,Rate_C - Checked the tap ratio, Qmax,