http://www.ferc.gov/industries/electric/indus-act/market-planning/opf-paper s.asp#p1
-----Original Message----- From: "Bai, Wenlei" <[email protected]> Reply-To: MATPOWER discussion forum <[email protected]> Date: Sat, 30 Aug 2014 02:52:23 +0000 To: MATPOWER discussion forum <[email protected]> Subject: Re: control variables of 'runopf' >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-pap >>er >> 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] >> >> >> > >
