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]
> <mailto:[email protected]>>:
> See the recent thread on this topic …
>
> http://www.mail-archive.com/[email protected]/msg05303.html
> <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]
>> <mailto:[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
>
>