modellization

Network Model of Short-Term Optimal Hydrothermal Power Flow with Security Constraints

Publication TypeConference Paper
Year of Publication1995
AuthorsChiva, A.; Heredia, F.J.; Nabona, N.
Conference NameIEEE '95 Stockholm Power Tech
Series TitleInternational Symposium on Electric Power Engineering
Volume6, PS
Pagination67-73
Conference Date18-22/06/1995
PublisherRoyal Institute of Technology and IEEE Power Engineering Society
Conference LocationStockholm, Sweden
Type of WorkContributed oral presentation
Key Wordsresearch; nonlinear network flows; side constraints; power systems; short-term hydrothermal OPF; spinning reserve; transmission security contraints; research
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Planificación Hidrotérmica a Corto Plazo. Optimización de un modelo acoplado de flujos no lineales en red

Publication TypeConference Paper
Year of Publication1997
AuthorsHeredia, F. J.; Nabona, N.
Conference NameXVIII Congreso Nacional de Estadística e Investigación Operativa
Conference Date11-14/03/1997
Conference LocationValència, Spain
Type of WorkContributed oral presentation
Key Wordsnonlinear network flows; side constraints; power systems; short-term hydrothermal OPF; research
AbstractEl Modelo Acoplado del problema de Planificación Hidrotérmica a Corto Plazo permite optimizar conjuntamente el sistema hidráulico, térmico y la red de transmisión mediante la resolución de un único problema de flujos no lineales en red con restricciones laterales. Este trabajo describe el modelo matemático, los resultados computacionales y las posibles extensiones del método.
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Nonlinear network flows with side constraints applied to short term hydrothermal coordination of electricity generation

Publication TypeConference Paper
Year of Publication1992
AuthorsHeredia, F. J.; Nabona, N.
Conference NameEuropean Conference on Numerical Methods in Engineering '92
Conference Date1992
Conference LocationBrussels, Belgium
Type of WorkContributed oral presentation
Key Wordsnonlinear network flows; side constraints; power systems; short-term hydrothermal OPF; research
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Short-Term Hydrothermal Coordination by Augmented Lagrangean Relaxation: a new Multiplier Updating

Publication TypeConference Paper
Year of Publication1998
AuthorsBeltran, C.; Heredia, F. J.
Conference NameIX Congreso Latino-Iberoamericano de Investigación Operativa
Conference Date31-4/08/98
Conference LocationBuenos Aires, Argentina
Type of WorkContributed oral presentation
Key Wordsaugmented lagrangian relaxation; radar subgradient method; generalized unit commitment; research
AbstractAugmented Lagrangean Relaxation Method (ALRM) is one of the most powerfull technique to solve the Short­Term Hydrothermal Coordination Problem (STHC Problem ). A crucial step when using the ALR Method is the multipliers updating. In this paper we present an efficient new multiplier updating procedure: the Gradient Method with Radar Step. The method has been successfully tested solving large ­scale exemples of the STHC Problem
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SLOEGAT Project. Short and Long term Optimization of Energy Generation And Trading (Esprit 22695).

Publication TypeFunded research projects
Year of Publication1996
AuthorsF.-Javier Heredia
Type of participationFull time researcher
Duration12/1996-05/1999
Funding organizationEuropean Union, ESPRIT Programme
PartnersUniversidad Politécnica de Catalunya, Iberdrola, Universidad de Aachen, VEW Alemania, SIEMENS Austria
Full time researchers4 (DEIO/UPC)
Budget180.238€
Project codeEsprit 22695
Key Wordsresearch; nonlinear network flows; side constraints; power systems; transmission network; short-term hydrothermal coordination; long-term hydrothermal coordination project; public; competitive; EU
AbstractThe project aims to develop, implement and test, on a high performance computing platform, a software system to simulate and optimise the energy generation and trading coordination planning process in large electricity generating systems, both in the short (1 day-1 week) and medium to long term (one-two years). Special consideration will be given to this process to the growing importance of the energy trading problem in a deregulated market.
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Planificación Óptima de Gran Dimensión de la Producción Hidrotérmica de Energía Eléctrica a Corto Plazo (TAP96-1044).

Publication TypeFunded research projects
Year of Publication1996
AuthorsF.-Javier Heredia
Type of participationFull time researcher
Duration07/1996-06/1999
Funding organizationMinisterio de Educación y Ciencia / Comisión Interministerial de Ciencia y Tecnologia
PartnersDepartament d'Estadística i Investigació Operativa / Universitat Politècnica de Catalunya
Full time researchers9
Budget56.428€
Project codeTAP96-1044
Key Wordsresearch; nonlinear network flows; side constraints; power systems; transmission network; short-term hydrothermal coordination; project; public; competitive; cicyt
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Planificación óptima de gran dimensión de la produción hidrotérmica de energia eléctrica (TAP99-1075-C02-01).

Publication TypeFunded research projects
Year of Publication2000
AuthorsF.-Javier Heredia
Type of participationFull researcher
Duration01/2000-12/2002
Funding organizationMinisterio de Educación y Ciencia / Comisión Interministerial de Ciencia y Tecnologia
PartnersDepartament d'Estadística i Investigació Operativa, Univ. Politècnica de Catalunya
Full time researchers5
Budget76.785€
Project codeTAP99-1075-C02-01
Key Wordsresearch; nonlinear network flows; side constraints; power systems; transmission network; short-term hydrothermal coordination; long-term hydrothermal coordination; project; public; competitive; cicyt
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CASC : Computational Aspects of Statistical Confidentiality (IST-2000-25069).

Publication TypeFunded research projects
Year of Publication2001
AuthorsF.-Javier Heredia
Type of participationFull time researcher
Duration01/2001-12/2003
Funding organizationEuropean Union
PartnersCENTRAAL BUREAU VOOR DE STATISTIEK (CBS); ISTITUTO NAZIONALE DI STATISTICA (ISTAT), UNIVERSITY OF PLYMOUTH (UOP), UNIVERSITY OF PLYMOUTH (UOP), OFFICE OF NATIONAL STATISTICS (ONS), UNIVERSITY OF SOUTHAMPTON (Soton), VICTORIA UNIVERSITY OF MANCHESTER (UOM), STATISTISCHES BUNDESAMT (STBA), UNIVERSIDAD DE LA LAGUNA (ULL), INSTITUT D'ESTADISTICA DE CATALUNYA (IDESCAT), INSTITUTO NACIONAL DE ESTADISTICA (INE), CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS (CSIC), UNIVERITAT ROVIRA I VIRGILI (URV), UNIVERSITAT POLITECNICA DE CATALUNYA (UPC), TECHNISCHE UNIVERSITAET ILMENAU (TU Ulmenau),
Full time researchers3 (UPC)
Budget77.739€
Project codeIST-2000-25069
Key Wordsresearch; complementary supression problem; network flows; statistical data confidentiality; project; public; competitive; EU
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Coordinación hidrotérmica a corto y largo plazo de la generación eléctrica en un mercado competitivo (DPI2002-03330).

Publication TypeFunded research projects
Year of Publication2002
AuthorsF.-Javier Heredia
Type of participationFull time researcher
Duration01/2003 -12/2005
Funding organizationMinisterio de Educación y Ciencia
PartnersDepartament d'Estadística i Investigació Operativa / Universitat Politècnica de Catalunya; Unión Fenosa
Full time researchers7
Budget85.000’00 €
Project codeDPI2002-03330
Key Wordsresearch; dual methods; lagrangian relaxation; unit commitment; power systems; transmission network; radar multiplier; project; public; competitive; micinn
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Planificación de la generación eléctrica a corto y largo plazo en un mercado liberalizado con contratos bilaterales (DPI2005-09117-C02-01).

Publication TypeFunded research projects
Year of Publication2005
AuthorsF.-Javier Heredia
Type of participationFull time researcher
Duration01/2006-12/2008
Funding organizationMinisterio de Educación y Ciencia
PartnersDepartament d'Estadística i Investigació Operativa, Universidad Politèctica de Catalunya; Unión Fenosa
Full time researchers5
Budget289.408'00€
Project codeDPI2005-09117-C02-01
Key Wordsresearch; stochastic programming; electricity markets; future contracts; bilateral contracts; regulation markets; project; public; competitive; micinn
AbstractThe project aims at two new features: the simultaneous consideration of bidding power to the liberalized market and of bilateral contracts (between a generation company and a consumer client), given the future elimination of the current regulations discouraging bilateral contracts, and the developement of optimization procedures more efficient than those employed now to solve these problems. This higher efficiency will allow a more accurate modeling and solving larger real problems in reasonable CPU time. In this project, both modeling languages and commercially available solvers in the one hand, and our own optimization algorithms in the other are employed. The algorithms to be developed include the use of: interior-point methods, global optimization, column-generation methods, and Lagrangian relaxation procedures employing dual methods
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