On 22 Mar 2007 at 20:00, [email protected] wrote: > > > hi there, > > Really simple but crucial question; > > Is there a special way to enter generator data, since for some (Take the case9 > m-file as example), the generator connected to bus 1 is set to 0MW- how can > this > be? I'm sure i have totally misunderstood this concept. > > Any help would be greatly received! > > shane. >
Shane, I didn't have the case9 here, but running a power-flow (a non-linear set of equations) you can leave your power generation at zero (active and reactive) in the slack bus (reference bus), in matpower you can have more than one. As an iterative process, on a slack bus (reference bus) you specify voltage (1 pu) and angle (zero), generator active and reactive powers in the slack bus will be function of the voltages obtained in other bars and the losses. In agreement with all the equations of your non-linear system describing the system. Run your case9 model, and look if the powers remains the same after convergence (at the end of the routine). Sincerely yours J.R. Camacho (PhD) ATP-EMTP-CLAUE-08 - IEEE Member:01981539 Rural Electricity and Alternative Energy Sources Lab. UFU - School of Electrical Engineering - P.O.Box: 593 38400.902 - Uberlandia - MG - Brazil - e.mail:[email protected]
