Hello Harley ------------------------------------------------------------ To: GLPK-HELP <[email protected]> Subject: [Help-glpk] SOS2 piecewise linear function example Message-ID: <[email protected]> From: Harley <[email protected]> Date: Tue, 27 Nov 2012 21:29:12 +1100 ------------------------------------------------------------
> I was just reading the SOS2 constraints in GLPK > for modeling piecewise linear functions and I > wanted to check that I have understood the model > so I have created an example formulation in GLPK > mathprog and added it to the wikibook: > > http://en.wikibooks.org/wiki/GLPK/Modeling_tips > > The model calculates the pool price from actual > published price sensitivities in the Australian > National Electricity Market for the QLD region. > > Could someone please review and let me know if > there are any problems and feel free to improve > anything. > > Regards, > Harley I'll have a look within the next week or so. In the meantime you might find the following items of interest, the New Zealand system is not so different from the state system in Australia: Guan, Ziming and Andy Philpott. 2011. Modelling summary for the paper "Production inefficiency of electricity markets with hydro generation". Electric Power Optimization Centre (EPOC), Auckland, New Zealand. 24 February 2011. http://www.epoc.org.nz/ember.html http://www.epoc.org.nz/presentations/Modellingsummary.pdf the AMPL code and datasets are also available from their website in PDF and XLS formats / no license as far as I could see (so treat these as public domain at your risk) --- 'vSPD' code on the google code hosting site: http://code.google.com/p/vspd/ a GAMS implementation of SPD, the software that runs the New Zealand Electricity Market and released under a GPL license --- Trans Power. 1989. Principles for pricing electricity transmission. Trans Power New Zealand Ltd, Wellington, New Zealand. http://www.mang.canterbury.ac.nz/research/emrg/Read%2020Principles%20of%20transmission%20pricing%201988.pdf scanned document and large, historical interest mostly --- Transpower. 2010. Scheduling, Pricing, and Dispatch software : a mathematical description -- Model Formulation Version 4.4 -- SO document ref UG-SD-025. Transpower New Zealand, Wellington, New Zealand. http://www.ea.govt.nz/document/12594/download/industry/mo-service-providers/system-operator-market-operation-service-provider/ all the equations howz life downunder? cheers, Robbie --- Robbie Morrison PhD student -- policy-oriented energy system simulation Technical University of Berlin (TU-Berlin), Germany University email (redirected) : [email protected] Webmail (preferred) : [email protected] [from Webmail client] _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
