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Optimal solutions for the Venezuelan unit commitment hydrothermal system
Universidad Simón Bolívar, Caracas.
Universidad Simón Bolívar.
Universidad Simón Bolívar, Caracas.
Universidad Simón Bolívar, Caracas.
2006 (English)In: 2006 IEEE PES Transmission and Distribution Conference and Exposition: Latin America, TDC'06, Piscataway, NJ: IEEE Communications Society, 2006, 4104749Conference paper (Refereed)
Abstract [en]

This work is about different optimal solutions for the unit commitment problem in the Venezuelan hydrothermal power system, disregarding the transmission system. The centralized cost-based maximum net social benefit solution, the oligopoly solution and the unregulated monopoly solution are formulated and analyzed. The oligopoly is studied via Nash-Cournot equilibrium, obtained iteratively considering both price-maker and price-taker firms. The price-demand curves are created using a price-demand elasticity parameter. The hydro plants can be of the run-of-river type or can have a regulation period, like in the case of Guri. In latter case the future profit is represented by a fixed volume of water to be turbined in the day ahead. Since integer variable are necessary to simulate the shut-down, start-up process a mixed integer commercial programming application is employed. © 2006 IEEE.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2006. 4104749
Keyword [en]
electrical market, non-linear mixed-integer programming, optimization, Unit commitment
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-35132DOI: 10.1109/TDCLA.2006.311518ScopusID: 82955175676Local ID: 98a1f5b0-230e-4020-8ba4-0dbc93bfd1d3ISBN: 1-4244-0287-5ISBN: 1-4244-0288-3 (PDF)OAI: oai:DiVA.org:ltu-35132DiVA: diva2:1008384
Conference
IEEE PES Transmission and Distribution Conference : 15/08/2006 - 18/08/2006
Note
Upprättat; 2006; 20150701 (manalv)Available from: 2016-09-30 Created: 2016-09-30

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