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

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