Have you checked the generator limits, e.g. PMIN, PMAX, QMIN, QMAX?
You can use the checklimits() function in extras/misc to check OPF limits for
you.
Ray
> On Oct 23, 2019, at 12:19 PM, Diego PiserĂ <[email protected]> wrote:
>
> Dear Dr. Zimmerman
>
> I have a problem with the runopf function.
>
> I have a network with only one generator,
> this models the primary substation.
>
> %tap change
> tap = 1.1;
> %
> mpc.bus(1,8) = tap; % VM voltage magnitude
> mpc.gen(1,6) = tap; % VG voltage generator setpoint
> %
> mpc.bus(1,12) = tap; % VMAX
> mpc.bus(1,13) = tap; % VMIN
> then I try to run both the runpf and runopf function:
>
> runpf Converges and gives me a result.
> From these results I can observe that with the assignments made I have no
> violation of the voltage limits (VMIN & VMAX) or of power passing in the
> branches (RATEA) imposed in the OPF problem, so I would expect the runopf
> function to converge.
>
> Instead the OPF run function does not converge.
>
> What could it be due to?
>
> Diego