Did you try this function for calculating the H Matrix .... [Bbus, Bf, Pbusinj, Pfinj] = makeBdc(mpc.baseMVA, mpc.bus, mpc.branch);
Regards Saeed Ahmed On 13 April 2018 at 23:09, Saeed Ahmed <[email protected]> wrote: > The best i can do is to share a code with you... This code estimates the > power flow using AC estimation criteria... > You have to modify it according to your needs for DC state estimation ... > When you have any progress let me know... you have to try and don't give > up... > > > > Regards > Saeed Ahmed > > > On 13 April 2018 at 11:44, naime ahmadi <[email protected]> wrote: > >> Thank you. >> I want to calculate DC jacobuian matrix in matpower. >> When I compare DC jacobuian matrix with Bbus, it is totally different. >> How can I calculate DC jacobuian matrix ? >> >> On Tue, Apr 10, 2018 at 11:41 PM, Ray Zimmerman <[email protected]> wrote: >> >>> If you are looking for the sensitivities of power injections w.r.t. >>> changes in voltage angle, that would be the Bbus matrix from equation >>> (3.32) in the User’s Manual >>> <http://www.pserc.cornell.edu/matpower/docs/MATPOWER-manual-6.0.pdf> which >>> is returned from makeBdc() >>> <http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0/makeBdc.html> >>> . >>> >>> Ray >>> >>> >>> On Apr 10, 2018, at 5:04 AM, naime ahmadi <[email protected]> wrote: >>> >>> Thank you. >>> Actually I read that chapter. My problem is getting DC Jacobian matrix >>> from matpower. >>> Does j11 be the DC Jacobian matrix? >>> mpc=loadcase('case14'); >>> [j11,j12,j21,j22,J, Ybus, Yf, Yt] = makeJac(mpc); >>> >>> >>> >>> >>> On Mon, Apr 9, 2018 at 7:26 PM, Saeed Ahmed <[email protected]> >>> wrote: >>> >>>> Hi Ahmadi... >>>> >>>> First you need to understand the DC or linear State Estimation . You >>>> can find Chap 2 of Ali Abur's Book. >>>> After that you can use the built-in functions in MATPOWER for the >>>> formulation of H vector and this all becomes simple once you have solid >>>> understanding of theory... >>>> >>>> Regards >>>> Saeed Ahmed >>>> >>>> >>>> On 9 April 2018 at 15:46, naime ahmadi <[email protected]> wrote: >>>> >>>>> Hi, >>>>> How can I use matpower to calculate DC state estimation? >>>>> Kind Regards, >>>>> Naime >>>>> >>>> >>>> >>> >>> >> >
