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| Format: | Preprint |
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2024
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| Online Access: | https://arxiv.org/abs/2405.10010 |
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| _version_ | 1866929345743814656 |
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| author | Schönheit, David Marjanović, Ivan |
| author_facet | Schönheit, David Marjanović, Ivan |
| contents | Flow-based market coupling is substantially altering the computation of cross-zonal capacities for the trade of electricity in the vast majority of European markets. The main benefit of the flow-based method is improved accuracy by better representing the impact of cross-zonal trade on the power flows in transmission grids. Some borders, adjacent to flow-based capacity regions, are represented through net transfer capacities during market coupling. Under the current standard hybrid coupling, the utilization of grid elements in the flow-based regions due to the predicted trade across such borders is not available for trades between flow-based zones. The flow-based representation is not limited to the given capacity calculation region, but can be extended to also model the impact of trade with other regions. This so-called advanced hybrid coupling replaces the priority inherently given to trade across net transfer capacity-coupled borders by introducing virtual bidding zones. These map the effect of non-flow-based borders on line capacities in the flow-based regions, enabling the market coupling optimization to prioritize trade between flow-based bidding zones and trade across non-flow-based borders. This paper explains the mechanism of advanced hybrid coupling and how it is modeled mathematically. Based on a test network, a case study shows to what extent and why advanced hybrid coupling leads to welfare gains during market coupling and lower congestion management costs in the flow-based region. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_10010 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Introducing advanced hybrid coupling: Non-discriminatory coalescence of flow-based and net transfer capacity calculation regions Schönheit, David Marjanović, Ivan Systems and Control Flow-based market coupling is substantially altering the computation of cross-zonal capacities for the trade of electricity in the vast majority of European markets. The main benefit of the flow-based method is improved accuracy by better representing the impact of cross-zonal trade on the power flows in transmission grids. Some borders, adjacent to flow-based capacity regions, are represented through net transfer capacities during market coupling. Under the current standard hybrid coupling, the utilization of grid elements in the flow-based regions due to the predicted trade across such borders is not available for trades between flow-based zones. The flow-based representation is not limited to the given capacity calculation region, but can be extended to also model the impact of trade with other regions. This so-called advanced hybrid coupling replaces the priority inherently given to trade across net transfer capacity-coupled borders by introducing virtual bidding zones. These map the effect of non-flow-based borders on line capacities in the flow-based regions, enabling the market coupling optimization to prioritize trade between flow-based bidding zones and trade across non-flow-based borders. This paper explains the mechanism of advanced hybrid coupling and how it is modeled mathematically. Based on a test network, a case study shows to what extent and why advanced hybrid coupling leads to welfare gains during market coupling and lower congestion management costs in the flow-based region. |
| title | Introducing advanced hybrid coupling: Non-discriminatory coalescence of flow-based and net transfer capacity calculation regions |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2405.10010 |