I think the 33 nodes is a radial network, issues of convergence.. On Sat, Apr 7, 2018, 8:23 PM Arkan Arkan <arkan.m2...@gmail.com> wrote:
> Thanks Ahmad. Would you, please, explain more and provide some code. > Please consider that I am not a Power system student. So, I appreciate your > detailed ans step by step description to do such a simulation in the > Matpower. For example, If I want to attach a 33 bus (case 33 in the > Matpower) to 14 bus (case 14) as a load bus. > > Thank you so much for your help. > > On Sat, Apr 7, 2018 at 11:57 AM, Ahmad Sadiq Abubakar < > ahmad.abuba...@futminna.edu.ng> wrote: > >> I don't think there's a problem with your proposed integrated >> transmission-distribution grid as long as the following is taken care of. >> 1) The distribution network section is not radial... Since conventional >> load flow do not converge fine with radial network. >> 2) At point of common coupling between transmission and distribution, In >> modelling the PQ load at transmission by a real distribution network you >> may account or assume the transformer impedances neglected. Such that if >> you assumed ideal transformer (lossless) the resistance is zero and the >> transformer is modeled by a very small reactance. >> >> For now this is what I can remember. I recently model such integrated >> grid. >> >> Ahmad A. S. >> >> On Sat, Apr 7, 2018, 7:43 PM Arkan Arkan <arkan.m2...@gmail.com> wrote: >> >>> Hi, >>> >>> I am wondering how is it possible to simulate combined transmission >>> system and distribution grid in one place (global one) in the Matpower? I >>> want to see the effects of contingencies on transmission grid in the >>> distribution grid measurements values. Actually I want to attach a >>> distribution grid to one of the load buses of transmission grid and run the >>> whole network. I highly welcome any suggestion. >>> >>> Thanks for any help in advance. >>> >>> >>> >>> >
