Thank you but seems it's a bad link, page not found? Wenlei Sent from my iPhone
> On Aug 29, 2014, at 9:07 PM, "Abhyankar, Shrirang G." <[email protected]> > wrote: > > As I said before, there can be different ways of formulating and choosing > the variables for an OPF. FERC has released a series of papers on OPF that > may interest you. > http://www.ferc.gov/industries/electric/indus-act/market-planning/opf-paper > s.asp#p1 > > Thanks for the blessings :-) > Shri > > -----Original Message----- > From: "Bai, Wenlei" <[email protected]> > Reply-To: MATPOWER discussion forum <[email protected]> > Date: Fri, 29 Aug 2014 16:20:05 +0000 > To: MATPOWER discussion forum <[email protected]> > Subject: RE: control variables of 'runopf' > >> Thank you Shri! >> so Matpower opf consider all bus voltage and all generator Q as control >> variables? Why is that? >> As far as I know only voltage of PV bus should be control variables and >> reactive power Q of generators shouldn't be control variables either. >> >> Blessings, >> Wenlei Bai >> Electrical Engineering, Department of Electrical & Computer Engineering >> Baylor University, One Bear Place #97356 >> Waco, TX 76798-7356 >> (254)405-3320 >> [email protected] >> >> >> ________________________________________ >> From: [email protected] >> [[email protected]] on behalf of Abhyankar, >> Shrirang G. [[email protected]] >> Sent: Friday, August 29, 2014 9:19 >> To: MATPOWER discussion forum >> Subject: Re: control variables of 'runopf' >> >> Please read section 6.3 of the manual 'Extended OPF formulation'. >> >> Shri >> >> From: "Bai, Wenlei" <[email protected]> >> Reply-To: MATPOWER discussion forum <[email protected]> >> Date: Fri, 29 Aug 2014 03:09:56 +0000 >> To: MATPOWER discussion forum <[email protected]>, >> "[email protected]" <[email protected]> >> Subject: RE: control variables of 'runopf' >> >> >>> And I also want to ask how to modify control variables when running opf >>> as user's need? >>> Thank you for your help >>> >>> Wenlei Bai >>> Electrical Engineering, Department of Electrical & Computer Engineering >>> Baylor University, One Bear Place #97356 >>> Waco, TX 76798-7356 >>> (254)405-3320 >>> [email protected] >>> >>> >>> >>> ________________________________________ >>> From: [email protected] >>> [[email protected]] on behalf of Bai, Wenlei >>> [[email protected]] >>> Sent: Thursday, August 28, 2014 13:46 >>> To: [email protected] >>> Subject: control variables of 'runopf' >>> >>> >>> Hi, I try to understand the control variables in 'runopf' >>> when I execute results = runopf('case_ieee30'), the system has 6 >>> generators, 2 Shunts, and 4 transformers. >>> According to user manual, "resutls.x" are all the optimization variables >>> (total 72), including Pg (6), Qg(6), Va(30), Vm(30), however voltage >>> angles, and slack bus are not supposed to be control variables, and some >>> additional variables, e.g. Shunts and transformers >>> should be considered as control variables. >>> Question: how to interpret the control variables (72 total) that >>> Matpower shows to me? >>> >>> >>> Wenlei Bai >>> Electrical Engineering, Department of Electrical & Computer Engineering >>> Baylor University, One Bear Place #97356 >>> Waco, TX 76798-7356 >>> (254)405-3320 >>> [email protected] > > >
