http://www.mail-archive.com/[email protected]/msg02159.html
-- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Sep 22, 2013, at 9:24 AM, suresh babu <[email protected]> wrote: > hi , > > While testing after installation following message came. > t_opf_fmincon.......not ok > ##### Ran 101 of 101 tests: 63 passed, 38 failed > Is any problem with my installation? > How to rectify it? > > Regards, > > P.B Suresh Babu > Asst Director(Electrical) > MSME TC Chennai > Student ME Power System Engg > Anna University Chennai India. > > From: suresh babu <[email protected]> > To: MATPOWER discussion forum <[email protected]> > Sent: Sunday, 22 September 2013 6:41 PM > Subject: Re: Question about locational marginal prices > > Dear sir, > > I am new to MATPOWER. Now I am trying to make case file with data available > with me . > If I need any help I will let you know. > thank you very much for your replay > > Regards, > Suresh Babu P B > Asst Director (Elect) > MSME TC Chennai India > (Student Anna University) > > From: Haneen Mohammad dawoud Aburub <[email protected]> > To: MATPOWER discussion forum <[email protected]> > Sent: Sunday, 22 September 2013 1:11 AM > Subject: Re: Question about locational marginal prices > > To get the LMP, you just need to write (results.bus(:,LAM_P)). Let me know if > you need further help. Good luck > > ----- Original Message ----- > From: raghu guniganti <[email protected]> > Date: Friday, September 20, 2013 1:23 am > Subject: Re: Question about locational marginal prices > To: MATPOWER discussion forum <[email protected]> > > > Wat is LMP. is it necesarry to calculate LMP while placing FACTS devices > > for OPF. > > Sent from Yahoo! Mail on Android > > > From: suresh babu <[email protected]>; > > To: MATPOWER discussion forum <[email protected]>; > > Subject: Re: Question about locational marginal prices > > Sent: Fri, Sep 20, 2013 5:23:20 AM > > > > Hi, > > > > Please send me MATPOWER coding to find Locational Marginal Pricing using DC > > OPF in a 3 bus system. > > > > P B Suresh Babu > > ME Student Anna University > > Chennai India > > Working as > > Assistant Director (Electrical) > > MSME Testing Centre, Chennai. > > Under Ministry of MSME, Government of India > > > > From: Haneen Mohammad dawoud Aburub <[email protected]> > > To: MATPOWER discussion forum <[email protected]> > > Cc: [email protected] > > Sent: Thursday, 19 September 2013 9:01 PM > > Subject: Re: Question about locational marginal prices > > > > Thank you so much for tthe help. I think the problem is because I am using > > lossless DCOPF and the change in my hourly load profile is not that much, > > so the sensitivity of LMP to laod change will be zero. I replaced > > (rundcopf) by (runopf) to perform ACOPF. Also, I changed (OPF_ALG_DC) to > > (OPF_ALG), but I got the following error: > > > ??? Error using ==> makeAvl at 73 > > makeAvl: either Qmin or Qmax must be equal to zero for each dispatchable > > load. > > Error in ==> opf_setup at 172 > > [Avl, lvl, uvl] = makeAvl(baseMVA, gen); > > Error in ==> opf at 219 > > om = opf_setup(mpc, mpopt); > > Error in ==> runopf at 96 > > [r, success] = opf(casedata, mpopt); > > Error in ==> run_3bus at 120 > > results = runopf(mpc, opt); > > What this error means? What should I do else to have a correct ACOPF? > > > > Thanks again, appreciate your help. > > > > ----- Original Message ----- > > From: sarab singh <[email protected]> > > Date: Monday, September 16, 2013 10:42 pm > > Subject: Re: Question about locational marginal prices > > To: MATPOWER discussion forum <[email protected]> > > > > > It may happens when the network is not in congestion. > > > > > > > > > > > > From: Haneen Mohammad dawoud Aburub <[email protected]> > > > To: [email protected] > > > Sent: Monday, 16 September 2013 10:54 PM > > > Subject: Question about locational marginal prices > > > > > > Hi, > > > > > > I used the DCOPF to get the locational marginal prices of a 3-bust > > > system. The locational marginal prices that I have got are not changing > > > with the change in load. Can you please tell me the reason of that. > > > > > > Thank you. > > > > > > > > > > > > > >
