One more question about DC OPF, if there is an isolated bus, the DC OPF won't be able to work. Is there a way to solve it or I should switch to AC OPF?
2016-08-02 17:04 GMT+02:00 kin maxe <[email protected]>: > Ok, thank you so much > > 2016-08-02 17:03 GMT+02:00 Ray Zimmerman <[email protected]>: > >> You can find isolated buses using the find_islands() >> <http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0b1/find_islands.html> >> function. >> Isolated buses should be marked as such in the BUS_TYPE column of the bus >> matrix. It should not be necessary to explicitly take isolated generators >> off-line. >> >> Ray >> >> >> On Aug 2, 2016, at 10:56 AM, kin maxe <[email protected]> wrote: >> >> Thanks for your reply. And one more question concerning the reliability >> assessment, when I simulate certain contingency in which cases I have some >> isolated buses, the OPF will stop work. I try several approach to solve but >> all failed, do you have any suggestion? >> >> 2016-08-02 16:41 GMT+02:00 Ray Zimmerman <[email protected]>: >> >>> See the recent thread on this topic … >>> >>> http://www.mail-archive.com/[email protected]/msg05303.html >>> >>> — Ray >>> >>> *(not sure why, but it appears some messages are missing from the >>> archive … looking into it**)* >>> >>> On Aug 2, 2016, at 6:25 AM, kin maxe <[email protected]> wrote: >>> >>> Dear Matpower community, >>> >>> I want to perform an OPF of load shedding in power system reliability >>> analysis. But I got stuck with the cost function of OPF. How should I >>> structure the cost matrix? >>> >>> Best wishes, >>> Maxence Zhang >>> >>> >>> >> >> >
