Hello and thanks a lot I can make net work . and now I need rateA,B,C my cable is
[image: image.png] i found rating current 698 483 230 156 ampere but I do nt how get rate A,B,C thank you On Tue, Feb 12, 2019 at 7:08 PM Ray Zimmerman <[email protected]> wrote: > Oops … sorry for the repeat, Carlos, didn’t see this until after I’d sent > my reply. > > Ray > > > > On Feb 11, 2019, at 11:10 AM, Carlos E Murillo-Sanchez < > [email protected]> wrote: > > > > amir ali Hosseini wrote: > >> Dear Sir, > >> i trying make a new network. 37 bus > >> but ! after runpf .i have warning! > >> can you help me ? > >> thanks a lot. > >> my warning is : > >> Warning: Matrix is singular to working precision. > >> > In newtonpf (line 89) > >> In runpf (line 204) > >> find attachment . > >> new network with 37 node. > >> > > This is the output of case_info.m applied to your case file: > > > > >> case_info(mpc) > > Checking connectivity ... single connected network, plus 1 isolated bus > > Elapsed time is 0.245606 seconds. > > > ================================================================================ > > Full Island Isolated > > System 1 Buses > > Number of: ---------- ---------- ---------- > > buses 37 36 1 > > loads 36 35 1 > > on 36 35 1 > > off - - - > > fixed 36 35 1 > > dispatchable - - - > > on - - - > > off - - - > > generators 1 1 - > > on 1 1 - > > off - - - > > shunt elements - - - > > branches 36 36 - > > on 36 36 - > > off - - - > > ties (off) - - - > > > > Load > > active (MW) > > dispatched 9.6 9.5 0.1 > > fixed 9.6 9.5 0.1 > > dispatchable - - - > > curtailed - - - > > nominal 9.6 9.5 0.1 > > on 9.6 9.5 0.1 > > off - - - > > fixed 9.6 9.5 0.1 > > dispatchable - - - > > on - - - > > off - - - > > reactive (MVAr) > > dispatched 4.6 4.6 0.0 > > fixed 4.6 4.6 0.0 > > dispatchable - - - > > curtailed - - - > > nominal 4.6 4.6 0.0 > > on 4.6 4.6 0.0 > > off - - - > > fixed 4.6 4.6 0.0 > > dispatchable - - - > > on - - - > > off - - - > > > > Generation > > active (MW) > > dispatched 11.5 11.5 - > > max capacity 10.0 10.0 - > > on 10.0 10.0 - > > off - - - > > min capacity - - - > > on - - - > > off - - - > > reactive (MVAr) > > dispatched - - - > > max capacity 1.5 1.5 - > > on 1.5 1.5 - > > off - - - > > min capacity -0.2 -0.2 - > > on -0.2 -0.2 - > > off - - - > > > > Shunt Injections > > active (MW) - - - > > reactive (MVAr) - - - > > > > Branch Losses > > active (MW) - - - > > reactive (MVAr) - - - > > > > DC line > > export (MW) > > dispatch - - - > > max capacity - - - > > on - - - > > off - - - > > min capacity - - - > > on - - - > > off - - - > > > > Reference Buses > > num of ref buses 1 1 0 > > ref bus numbers 1 1 > > >> > > > > It seems that you have an isolated bus; is this what you intend in your > case file? > > > > carlos. > > > > > > > >
