Dear Prof Zimmerman, Thank you for your answer.I am just using simple pf . I appreciate your help Iman
On Thu, Feb 9, 2012 at 6:34 PM, Ray Zimmerman <[email protected]> wrote: > Rather than setting the reactance to Inf, you could simply set the status > of the line to zero ... > > mpc.branch(k, BR_STATUS) = 0; > > If you are running an OPF, there should be no overloads (assuming the > problem is feasible). If you are using a simple power flow, you can compute > the overloads as follows ... > > r = runpf(mpc); > MVAflow_f = sqrt(r.branch(:, PF).^2 + r.branch(:, QF).^2); > MVAflow_t = sqrt(r.branch(:, PT).^2 + r.branch(:, QT).^2); > MVAflow_max = max([MVAflow_f MVAflow_t], [], 2); > overloads = max(MVAflow_max - r.branch(:, RATE_A), 0); > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Feb 9, 2012, at 11:38 AM, iman wrote: > > Dear All, > > I have been trying to study line outages in MATpower.By equaivalenting X > of desired branches to INF (infinity) I made them disconntected from bus > bars.The problem is that no matter which branch is disconected, you never > can see the branch overloads.Does anyone know how should I implement it? > > -- > Best regards > Iman > > > -- Best regards Iman
