Assessing Distribution Network Flexibility via Reliability-Based P-Q Area Segmentation

Andrey Churkin, Wangwei Kong, Jose N. Melchor Gutierrez, Pierluigi Mancarella, Eduardo A. Martínez Cesena

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper proposes a framework to assess the flexibility of active distribution networks (ADNs) via P-Q area segmentation, considering the reliability of flexible units (FUs). A mixed-integer quadratically constrained programming (MIQCP) model is formulated to analyse flexible active and reactive power support at the interface with transmission networks, explicitly capturing the contributions and reliability of FUs that provide flexibility services within an ADN. The numerical simulations performed for a real 124-bus UK distribution network demonstrate the optimal flexibility provision by different FUs, as well as the corresponding reliability and the impact of network reconfiguration. Distribution system operators (DSOs) can use the proposed framework to identify critical units, select an adequate combination of flexibility volumes, and manage its reliability.

Original languageEnglish
Title of host publication2023 IEEE Belgrade PowerTech, PowerTech 2023
PublisherIEEE
ISBN (Electronic)9781665487788
DOIs
Publication statusPublished - 2023
Event2023 IEEE Belgrade PowerTech, PowerTech 2023 - Belgrade, Serbia
Duration: 25 Jun 202329 Jun 2023

Publication series

Name2023 IEEE Belgrade PowerTech, PowerTech 2023

Conference

Conference2023 IEEE Belgrade PowerTech, PowerTech 2023
Country/TerritorySerbia
CityBelgrade
Period25/06/2329/06/23

Keywords

  • Active distribution network
  • combinatorial optimisation
  • flexibility services
  • reliability
  • TSO-DSO coordination

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