Dear Ray, Version 6 of MATPOWER does not support 'PQSUM' :
runpf('case33bw', mpoption('pf.alg', 'PQSUM')) MATPOWER Version 6.0, 16-Dec-2016 -- AC Power Flow (unknown) Error using runpf (line 219) runpf: Only Newton's method, fast-decoupled, and Gauss-Seidel power flow algorithms currently implemented. Regards, Dawood On Thu, Jun 1, 2017 at 10:38 PM, Ray Zimmerman <r...@cornell.edu> wrote: > Hi Wenlei, > > Try this instead: > > runpf('case33bw', mpoption('pf.alg', 'PQSUM')) > > The radial_pf() function is not meant to be called directly by the user, > since it requires that the case be converted to internal bus numbering > first. It is called by runpf() which does that conversion for you. > > Ray > > > On May 31, 2017, at 7:59 PM, Bai, Wenlei <wenlei_...@baylor.edu> wrote: > > Dear Ray, > When I used 'radial_pf' to run a distribution case load flow, it gave me > error as the following: > Could you take a look? Thank you > > Wenlei > <pastedImage.png> > Wenlei Bai > Electrical Engineering, Department of Electrical & Computer Engineering > Baylor University, One Bear Place #97356 > Waco, TX 76798-7356 > (254)405-3320 > wenlei_...@baylor.edu > > > --------------------------------------------------------------- Ph.D Student of Electrical Engineering - Power Field Ferdowsi University of Mashhad Faculty of Engineering Department of Electrical Engineering Laboratory of Power System Analysis