Assessment of passive islanding detection methods for DC microgrids

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Abstract

This paper provides an assessment of passive islanding detection methods in DC microgrids. In order to analyse the response of a DC microgrid to an islanding event, DC voltage and current signatures are captured locally at the terminals of Distributed Energy Resources (DERs). Further analysis on DC voltage and current measurements is carried out to derive the Rate of Change of Voltage (ROCOV) and the Rate of Change of Current (ROCOC), to distinguish between genuine islanding events and other disturbances. A detailed DC microgrid has been developed in MATLAB/Simulink to analyse the response of the DERs within a DC microgrid during intentional or unintentional islanding events. The results show that these approaches cannot be used to classify and characterise between islanding and non-islanding events caused by high resistive faults for DC microgrids, as the response of the DERs are dependent on the technology and associated control systems,which influences post event analysis in distinguishing between events.
Original languageEnglish
Pages1-6
Number of pages6
DOIs
Publication statusPublished - 30 Mar 2019
EventThe 15th IET International Conference on AC and DC Power Transmission - DoubleTree by Hilton Hotel, Coventry, United Kingdom
Duration: 5 Feb 20197 Feb 2019
Conference number: 15
https://events.theiet.org/acdc/

Conference

ConferenceThe 15th IET International Conference on AC and DC Power Transmission
Abbreviated titleIET ACDC2019
CountryUnited Kingdom
CityCoventry
Period5/02/197/02/19
Internet address

Keywords

  • DC microgrid networks
  • distributed energy resources
  • distributed control
  • islanding detection methods

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  • Cite this

    Makkieh, A., Florida-James, A., TZELEPIS, D., Emhemed, A., Burt, G., Strachan, S., & Junyent-Ferre, A. (2019). Assessment of passive islanding detection methods for DC microgrids. 1-6. Paper presented at The 15th IET International Conference on AC and DC Power Transmission, Coventry, United Kingdom. https://doi.org/10.1049/cp.2019.0016