Unbalanced Distribution Networks
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Related Articles from SNS
Exposing Barriers to Flexibility Aggregation in Unbalanced Distribution Networks
arXiv:2408.06516v4 Announce Type: replace Abstract: The increasing integration of distributed energy resources (DER) offers new opportunities for distribution system operators (DSO) to improve network operation through flexibility services. To utilise flexible resources, various DER flexibility aggregation methods have been proposed, such as the concept of aggregated P-Q flexibility areas. Yet, many existing studies assume perfect coordination among DER and rely on single-phase power flow...
Voltage Unbalance-Aware AC Optimal Power Flow in Distribution Networks
arXiv:2606.06167v1 Announce Type: new Abstract: The increasing penetration of single-phase loads and distributed generation exacerbates voltage unbalance (VU) in distribution grids, raising concerns about power quality and complicating network operation. However, most market-clearing models and price-based coordination frameworks do not enforce VU limits within a three-phase AC representation, so the implications for grid-code compliance, numerical scalability, and economic signals remain...
Optimal Kron-based Reduction of Networks (Opti-KRON) for Three-phase Distribution Feeders
Announce Type: replace Abstract: This paper presents a novel structure-preserving, Kron-based reduction framework for unbalanced distribution feeders. The method aggregates electrically similar nodes within a mixed-integer optimization (MIP) problem to produce reduced networks that optimally reproduce the voltage profiles of the original full network. To overcome computational bottlenecks of MIP formulations, we propose an exhaustive-search formulation to identify optimal aggregation...
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