Optimal Duration of Reserve Capacity Ancillary Services for Distributed Energy Resources
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866909827891986432 |
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| author | Zapparoli, Lorenzo Gjorgiev, Blazhe Sansavini, Giovanni |
| author_facet | Zapparoli, Lorenzo Gjorgiev, Blazhe Sansavini, Giovanni |
| contents | The increasing integration of distributed energy resources (DERs) into power systems presents opportunities and challenges for ancillary services (AS) provision. Technical requirements of existing AS (i.e., duration, reliability, ramp rate, and lead time) have been designed for traditional generating units, making their provision by DER aggregates particularly challenging. This paper proposes a method to design the duration of reserve capacity AS products considering the operational constraints of DERs and the temporal dynamics of system imbalances. The optimal product duration is determined by maximizing product availability and aligning the supply profile with the system's balancing needs. We apply the methodology to a realistic Swiss low-voltage network with a diverse DER portfolio. The results reveal that (i) shorter product durations maximize average availability and (ii) long product durations improve the alignment with system balancing needs. This paper offers valuable insights for system operators to design AS products tailored for DER participation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_06729 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optimal Duration of Reserve Capacity Ancillary Services for Distributed Energy Resources Zapparoli, Lorenzo Gjorgiev, Blazhe Sansavini, Giovanni Systems and Control The increasing integration of distributed energy resources (DERs) into power systems presents opportunities and challenges for ancillary services (AS) provision. Technical requirements of existing AS (i.e., duration, reliability, ramp rate, and lead time) have been designed for traditional generating units, making their provision by DER aggregates particularly challenging. This paper proposes a method to design the duration of reserve capacity AS products considering the operational constraints of DERs and the temporal dynamics of system imbalances. The optimal product duration is determined by maximizing product availability and aligning the supply profile with the system's balancing needs. We apply the methodology to a realistic Swiss low-voltage network with a diverse DER portfolio. The results reveal that (i) shorter product durations maximize average availability and (ii) long product durations improve the alignment with system balancing needs. This paper offers valuable insights for system operators to design AS products tailored for DER participation. |
| title | Optimal Duration of Reserve Capacity Ancillary Services for Distributed Energy Resources |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2504.06729 |