hello! carlos. thanks you ! my I help me . how get conductor thermal capacitor . rate A rate B rate C thanks a lot .
On Thu, Feb 14, 2019 at 7:55 PM Ray Zimmerman <[email protected]> wrote: > This is a modeling issue (not really a MATPOWER issue). You’ll need to use > the nominal voltage to convert your current rating to an MVA rating. > > Ray > > > On Feb 14, 2019, at 1:34 AM, amir ali Hosseini <[email protected]> > wrote: > > Hello > and thanks a lot > I can make net work . > and now > I need rateA,B,C > my cable is > > > <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. >> > >> > >> >> >> >> >
