>From the error message, it looks like you might be using an mpopt that is not 
>actually a valid MATPOWER options struct as returned by mpoption(). Try it 
>with the default mpopt.

    Ray


On Jan 14, 2020, at 3:50 PM, Jubeyer Rahman 
<[email protected]<mailto:[email protected]>> wrote:

Hi,
Has anyone ever tried to run the Texas-2000 bus test system in MATPOWER to find 
its power flow and optimal power flow solution. I am getting the message like 
the following while trying to run it,

For Power-flow:

Struct contents reference from a non-struct array object.

Error in newtonpf (line 34)
tol     = mpopt.pf.tol;

Error in runpf (line 220)
            [V, success, iterations] = newtonpf(Ybus, Sbus, V0, ref, pv, pq, 
mpopt);

And for optimal power flow:
Struct contents reference from a non-struct array object.

Error in opf_setup (line 20)
dc  = strcmp(upper(mpopt.model), 'DC');

Error in opf (line 198)
om = opf_setup(mpc, mpopt);

Error in runopf (line 75)
[r, success] = opf(casedata, mpopt);

Though to me it looks like the MPC like other cases. I have loaded the case 
file : case_ACTIVSg2000.m

from Texas A&M university's repository.

Regards,
Jubeyer

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