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
>> Ahmad A. S.
>> On Sat, Apr 7, 2018, 7:43 PM Arkan Arkan <arkan.m2...@gmail.com> wrote:
>>> 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.