Only if you keep everything else "the same”. Changing the nominal voltage also requires that you adjust the p.u. line impedances accordingly (which were presumably derived from the original basekV). These branch parameters obviously *do* affect the solution.
-- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Mar 12, 2014, at 9:04 AM, Vladimir Frolov <[email protected]> wrote: > that's right, but if I increase nominal voltage I should have less losses, > right? > > but they are just the same > > On 12 марта 2014 г., at 16:45, Ray Zimmerman <[email protected]> wrote: > >> Yes and yes. That value is only necessary if you want to convert p.u. >> voltage back to kV, which MATPOWER has no need to do since it reports all >> voltage magnitudes in p.u. >> >> >> -- >> Ray Zimmerman >> Senior Research Associate >> B30 Warren Hall, Cornell University, Ithaca, NY 14853 >> phone: (607) 255-9645 >> >> >> >> On Mar 11, 2014, at 5:29 PM, Vladimir Frolov >> <[email protected]> wrote: >> >>> Hi all, >>> >>> Is it ok that losses and OPF_cost does not depend on baseKV voltage? >>> >>> is this baseKV column really nominal voltage for the buses? >>> >>> Best, >>> Vladimir >>
