Probabilistic Adequacy and Transient Stability Analysis for Planning of Fault-initiated Islanding Distribution Networks

Martijn H. Roos, Fahad Faizan, Phuong H. Nguyen, Johan Morren, J.G. (Han) Slootweg

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

1 Citation (Scopus)
94 Downloads (Pure)

Abstract

Fault-initiated islanding can significantly improve the reliability of power supply in distribution networks, by allowing (parts of) distribution networks to operate as islanded microgrids in case of a contingency. The probability of generation adequacy and transient stability of these microgrids has to be critically evaluated during planning of fault-initiated islanding, in order to compare the incurred reliability and cost. The analysis of the probability of transient stability is challenging, as it generally requires a very large set of detailed time-domain simulations to be performed. Stability during the fault-initiated islanding transient has therefore not been considered during probabilistic analysis in the literature. Additionally, the beneficial properties for the value of fault-initiated islanding have not yet been identified. To address these issues, a methodology for probabilistic adequacy and transient stability analysis with a low computational burden is proposed in this paper, and used for rigorous sensitivity analysis of a modified fault-initiated islanding RBTS Bus 2 benchmark distribution network. The results show that the probabilistic adequacy and transient stability analysis methodology is accurate with a relatively low computational burden, and that fault-initiated islanding is most valuable in networks with a controllable and total generation capacity of at least 14.7% and 58.9% of the average load power respectively, moderate to high fault probability, and medium to high load cost.
Original languageEnglish
Title of host publication2021 IEEE Madrid PowerTech, PowerTech 2021
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Electronic)978-1-6654-3597-0
DOIs
Publication statusPublished - 29 Jul 2021
Event2021 IEEE PowerTech Madrid - Madrid, Madrid, Spain
Duration: 28 Jun 20212 Jul 2021

Conference

Conference2021 IEEE PowerTech Madrid
Abbreviated titlePowerTech 2021
Country/TerritorySpain
CityMadrid
Period28/06/212/07/21

Keywords

  • Islanding
  • microgrids
  • power system planning
  • power system reliability
  • transient stability

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