If you have islands, each island must have it’s own slack bus.
Ray
> On Jan 27, 2019, at 1:12 AM, Aamir Nawaz <[email protected]> wrote:
>
> Dear Dr. Ray,
> Thanks for your kind response. I am still unable to understand how to execute
> opf or pf for distribution system while adding some DGs on other feeders than
> slack bus. Please share some example where DGs connected within the
> distribution system is supplying power to load, particularly in case of
> islanding. I hope you understood my problem and help me solve this. Thanks
> again.
>
>
> Regards,
> Aamir Nawaz
> On Friday, January 11, 2019, 6:49:00 AM GMT+8, Ray Zimmerman
> <[email protected]> wrote:
>
>
> If you are running an OPF, it will take the least expensive generation it
> can. Maybe check the relative costs?
>
> Ray
>
>> On Jan 3, 2019, at 10:46 PM, Aamir Nawaz <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Dear Dr. Ray,
>> I want to execute IEEE 13 bus distribution system with distributed
>> generations (DG, wind farm, pv etc). I have added generators but it always
>> take power from generator at slack bus but not others. Please guide me how
>> to add DG in distribution system at different nodes.
>>
>> Regards,
>> Aamir Nawaz.
>> <case13bw.m>
>
