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Continuous-time scheduling of a hydrothermal system with integration of offshore wind power

Øvstebø, Mari Lund; Naversen, Christian Øyn; Helseth, Arild; Farahmand, Hossein
Chapter
Accepted version
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URI
https://hdl.handle.net/11250/2711328
Date
2020
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  • Institutt for elkraftteknikk [1597]
  • Publikasjoner fra CRIStin - NTNU [21000]
Original version
https://doi.org/10.1109/EEM49802.2020.9221980
Abstract
In this work, a continuous-time unit commitment formulation of a hydrothermal system with integration of offshore wind power is used to model the North European system operation. The cost of covering the structural imbalances in the system is quantified by a cost comparison to an analogous discretetime model. If the discrete-time unit commitment is implemented for real-time operation, 55 MWh (0.22%) load shedding should be introduced since the demand in periods with high net-load ramping cannot be met. The simulation results demonstrate that the proposed framework reduces system balancing cost and the events of ramping scarcity in the real-time balancing. Continuous-time optimization, Hydrothermal scheduling, Offshore wind power, Unit commitment
Publisher
IEEE

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