Development of grid-flexibility services from aggregators a clustering algorithm for deploying flexible DERs

S. Minniti, P. H. Nguyen, T. Vo, A. N.M.M. Haque

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Abstract

Increasing penetration of Distributed Energy Resources (DERs) will reshape distribution networks in the near future. The Distribution System Operator (DSO) is expected to explore the distribution-level flexibility potential, for tackling grid problems such as congestions, voltage limit violations and unbalancing. The aggregator is also emerging as a new intermediary between the small-scale DERs and the electricity system: Flexibility services can be beneficial for different stakeholders such as DSOs, Transmission System Operators (TSOs) and Balance Responsible Parties (BRPs). In this paper, a procedure for DSO-aggregator interaction is specified to procure flexibility in the intra-day planning in order to solve grid problems. Specifically, a clustering algorithm has also been proposed as a decision-support tool for the aggregator to select the most effective group of resources to provide grid-flexibility services. A simulation case study in IEEE LV European Test Feeder involving electric vehicles, heat pumps and smart appliances has been set to solve overloading at the transformer level. The results show that the procedure can solve approximately 90% of the problems, depending on the availability and time-of-use restrictions of the flexible resources.

Original languageEnglish
Title of host publicationProceedings - 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages7
ISBN (Electronic)978-1-5386-5186-5
ISBN (Print)978-1-5386-5187-2
DOIs
Publication statusPublished - 16 Oct 2018
Event2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018 - Palermo, Italy
Duration: 12 Jun 201815 Jun 2018

Conference

Conference2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018
CountryItaly
CityPalermo
Period12/06/1815/06/18

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Keywords

  • aggregator
  • clustering
  • DSO
  • flexibility

Cite this

Minniti, S., Nguyen, P. H., Vo, T., & Haque, A. N. M. M. (2018). Development of grid-flexibility services from aggregators a clustering algorithm for deploying flexible DERs. In Proceedings - 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2018 [8493910] Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/EEEIC.2018.8493910