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Short-term storage signals in hydrothermal dispatch models using a linked representative periods approach
dc.contributor.author | Tejada Arango, Diego Alejandro | es-ES |
dc.contributor.author | Wogrin, Sonja | es-ES |
dc.contributor.author | Siddiqui, Afzal Saeed | es-ES |
dc.contributor.author | Centeno Hernáez, Efraim | es-ES |
dc.date.accessioned | 2018-07-19T03:08:37Z | |
dc.date.available | 2018-07-19T03:08:37Z | |
dc.identifier.uri | http://hdl.handle.net/11531/29093 | |
dc.description.abstract | es-ES | |
dc.description.abstract | Short-term energy storage systems (STESS), e.g., batteries, are becoming one promising option to deal with flexibility require-ments in power systems due to the accommodation of renewable energy sources. Previous work using medium- and long-term planning tools has modeled the interaction between STESS and seasonal storage (e.g., hydro reservoirs). Despite these develop-ments, opportunity costs considering the impact of STESS sig-nals in stochastic modeling have not been analyzed. This paper proposes a new formulation to include STESS operational deci-sions in a stochastic hydrothermal dispatch model, which is based on Linked Representative Periods (LRP) approach that allows an analysis of both short- and long-term storage at the same time. This proposal models operating decisions of STESS with errors between 5% to 10%, while the classic Load Duration Curve (LDC) approach fails by an error greater than 100%. Moreover, the LDC model cannot determine opportunity costs on an hourly basis and underestimates the water value by 6% to 24% for seasonal hydro reservoirs. On the other hand, the pro-posed LRP model produces an error on the water value lower than 3% and can determine hourly opportunity costs for STESS using dual variables from both intra- and inter-period storage balance equations. Therefore, hourly opportunity costs in the LRP model successfully internalize long-term signals due to sea-sonality in hydro reservoirs. | en-GB |
dc.format.mimetype | application/pdf | es_ES |
dc.language.iso | en-GB | es_ES |
dc.rights | es_ES | |
dc.rights.uri | es_ES | |
dc.title | Short-term storage signals in hydrothermal dispatch models using a linked representative periods approach | es_ES |
dc.type | info:eu-repo/semantics/workingPaper | es_ES |
dc.description.version | info:eu-repo/semantics/draft | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | es_ES |
dc.keywords | es-ES | |
dc.keywords | energy storage systems, power system planning, hydrothermal dispatch, representative days, water value, opportunity cost. | en-GB |
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