PhD Defense Enrica Raheli - Physics-Aware Operation of Power-to-X and Natural Gas Systems
To combat climate change, a global movement toward carbon neutrality is underway. Achieving this will require the energy system to increasingly rely on renewable energy sources, such as wind and solar, whose variable and intermittent nature poses challenges to balancing electricity supply and demand. An integrated approach to energy management across sectors, such as electricity, natural gas, and hydrogen, has the potential to harness the synergies and complementarities among these energy carriers and facilitate the integration of renewable energy sources. This thesis proposes mathematical models for the management of integrated energy systems, taking into account the complex physical behavior of components and systems. These models serve as tools for making informed decisions for the operation of such systems.
The research explores two distinct but related perspectives. First, it addresses the perspective of the owner of an electrolyzer, a device that converts electricity into hydrogen. The thesis proposes mathematical models that capture the complex operational characteristics of the electrolyzer. When incorporated into decision-making problems, these models can help owners decide when it is most profitable to produce hydrogen in order to increase their profits. Second, it takes the perspective of the energy system operator, focusing on the integrated operation of electricity and natural gas systems. Gas pipelines can be used as short-term energy storage, storing energy in the form of gas pressure. This study examines how to accurately assess this storage capability so that operators can effectively use this flexibility without overestimating it.
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- Date: 09 Jan 2024
- Time: 01:00 PM to 03:00 PM
- All times are (UTC+01:00) Copenhagen
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- Anker Engelunds Vej 101
- Kgs. Lyngby, Kobenhavns Amt
- Denmark 2800
- Building: 101
- Room Number: Meeting room 1