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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sousa, J.C. Mendes, V.T. Saraiva, J.T. |
| Copyright Year | 2009 |
| Description | Author affiliation: FEUP, Faculdade de Engenharia da Universidade do Porto and INESC Porto ¿ Instituto de Engenharia de Sistemas e Computadores do Porto, Campus da FEUP, Rua Dr. Roberto Frias, 4200-465 Porto Portugal (Saraiva, J.T.) || EDP Produção SA, Rua de Sá da Bandeira 567, 4000-437 Porto (Sousa, J.C.; Mendes, V.T.) |
| Abstract | One of the challenges that generation companies having hydro stations are facing corresponds to build the most adequate bids to send to day-ahead markets, maximizing their profit and taking into account the expect inflows, market prices and the interdependency between hydro plants in cascades. As a contribution to address this problem, this paper describes a short-term optimization model to build one-week schedules for a set of hydro power plants so that the outputs can be used to bid in the day-ahead market. This model is coordinated with a medium-scale (one year) model that inputs the value of using the water in the short-term problem. The developed model considers the non-linear relationship between the electric power, the net head and the turbine discharge and it takes in consideration pumping as well. The solution approach is based on an under-relaxed iterative procedure based on the algorithm described in [1] and the players are considered as price-takers, so that market prices are input variables. To solve the medium-term problem we propose a similar model that sends information about the final week volumes of each power plant to the short-term problem. On the other hand, we conducted a scenario analysis regarding market prices and inflows to internalize uncertainty. Finally, the model was successfully applied to a real size Portuguese cascade and the paper includes several results to illustrate the application of the developed models. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 128527 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424422340 |
| DOI | 10.1109/PTC.2009.5282138 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-28 |
| Publisher Place | Romania |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Iterative methods Power generation Turbines Power system modeling Electricity supply industry Power system management Iterative algorithms Input variables Uncertainty Reservoirs under-relaxed iterative procedure hydro generation short-term hydro scheduling medium-term hydro scheduling pumping day-ahead market profit maximization |
| Content Type | Text |
| Resource Type | Article |
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