Redispatch Model for Real-Time Operation with High Solar-Wind Penetration and Its Adaptation to the Ancillary Services Market

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dc.contributor.authorBalzer, Kristian
dc.contributor.authorWatts, David
dc.date.accessioned2025-01-20T17:05:29Z
dc.date.available2025-01-20T17:05:29Z
dc.date.issued2024
dc.description.abstractModern electrical power systems integrate renewable generation, with solar generation being one of the pioneers worldwide. In Latin America, the greatest potential and development of solar generation is found in Chile through the National Electric System. However, its energy matrix faces a crisis of drought and reduction of emissions that limits hydroelectric generation and involves the definitive withdrawal of coal generation. The dispatch of these plants is carried out by the system operator, who uses a simplified mechanism, called "economic merit list" and which does not reflect the real costs of the plants to the damage of the operating and marginal cost of the system. This inefficient dispatch scheme fails to optimize the availability of stored gas and its use over time. Therefore, a real-time redispatch model is proposed that minimizes the operation cost function of the power plants, integrating the variable generation cost as a polynomial function of the net specific fuel consumption, adding gas volume stock restrictions and water reservoirs. In addition, the redispatch model uses an innovative "maximum dispatch power" restriction, which depends on the demand associated with the automatic load disconnection scheme due to low frequency. Finally, by testing real simulation cases, the redispatch model manages to optimize the operation and dispatch costs of power plants, allowing the technical barriers of the market to be broken down with the aim of integrating ancillary services in the short term, using the power reserves in primary (PFC), secondary (SCF), and tertiary (TCF) frequency control.
dc.fuente.origenWOS
dc.identifier.doi10.3390/asi7020020
dc.identifier.eissn2571-5577
dc.identifier.urihttps://doi.org/10.3390/asi7020020
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/90710
dc.identifier.wosidWOS:001209906700001
dc.issue.numero2
dc.language.isoen
dc.revistaApplied system innovation
dc.rightsacceso restringido
dc.subjectancillary service
dc.subjecteconomic merit list
dc.subjectredispatch
dc.subjectreal-time operation
dc.subjectrenewable generation
dc.subjectsolar-wind generation
dc.subjectunit commitment
dc.subject.ods07 Affordable and Clean Energy
dc.subject.odspa07 Energía asequible y no contaminante
dc.titleRedispatch Model for Real-Time Operation with High Solar-Wind Penetration and Its Adaptation to the Ancillary Services Market
dc.typeartículo
dc.volumen7
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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