Dear Dr Zimmerman, i would like to try model DC lines by MatPower. I would like to set only R parameter (X, B = 0), but i cant work, couse if B = 0, then is open circuit. Only one option, is to delete B parameter from program ? Is it possible ?
W dniu 17 stycznia 2012 15:38 użytkownik Ray Zimmerman <[email protected]>napisał: > MATPOWER does not model DC networks. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Jan 17, 2012, at 6:31 AM, Mateusz Cygan wrote: > > Hey, > > with AC part i dont have any problems now. It`s working great (thx > Shiyang Li). Now i would like to simulate DC part: > > <image.png> > i neglect X and B (lines parameters) -> fase shift doesnt exists in DC and > set only parameter R. In this case my program can`t calculate PF. Should i > change something else ? > > W dniu 16 stycznia 2012 18:11 użytkownik Mateusz Cygan < > [email protected]> napisał: > >> Oh, >> here are this two pictures, which i wanted attach: >> http://img163.imageshack.us/img163/9358/circuitw.jpg (AC system) >> http://img440.imageshack.us/img440/9733/parameters.jpg >> >> and second question: >> is it possible, that i will make in one circuit AC and DC part (between >> them converter) ??? >> >> W dniu 16 stycznia 2012 18:02 użytkownik 新浪VIP >> <[email protected]>napisał: >> >> Mateusz Cygan， >>> >>> >>> Effective generator is necessary for PV and REF buses. >>> >>> Shiyang Li >>> >>> >>> 发自我的 iPhone >>> >>> 在 2012-1-16，23:38，Mateusz Cygan <[email protected]> 写道： >>> >>> Dear Mr. Zimmerman, >>> >>> my AC system is looking like on the pic. >>> <circuit.jpg> >>> >>> I have 3 wind generators (*2,3,4* nodes), Load in node *1* and Slack >>> bus in node *5*. Which bus type i should use to made it like on >>> previous pictures. I am trying to do this like below, but have some errors >>> -> >>> ??? Attempted to access pv(1); index out of bounds because numel(pv)=0. >>> >>> Error in ==> bustypes at 61 >>> ref = pv(1); %% use the first PV bus >>> >>> Error in ==> runpf at 135 >>> [ref, pv, pq] = bustypes(bus, gen); >>> >>> <parameters.jpg> >>> >>> Could you explain me this ? >>> -- >>> Pozdrawiam, >>> Best Regards, >>> Mit freundlichen Grüßen, >>> >>> Mateusz Cygan >>> >>> >>> >>> >> >> >> -- >> Pozdrawiam, >> Best Regards, >> Mit freundlichen Grüßen, >> >> Mateusz Cygan >> >> >> >> > > > -- > Pozdrawiam, > Best Regards, > Mit freundlichen Grüßen, > > Mateusz Cygan > > > > > -- Pozdrawiam, Best Regards, Mit freundlichen Grüßen, Mateusz Cygan
