Harmonics Content and Voltage Signal Based Hybrid Backup Scheme for Protection of Microgrid under Different Contingencies

Matin Jamaliyan Daryani, Alireza Esmaeili Karkevandi, Omer Usta

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

1 Citation (Scopus)

Abstract

The concept of adaptive protection has been applied to solve the problems of conventional protection approaches for microgrid. However, even in the case of adaptive protection system implementation, many factors can cause malfunction of protection and there is always a possibility of failure of the communication system. A hybrid adaptive protection strategy is proposed in this work to enhance selectivity and reliability of protection system of microgrid. The adaptive overcurrent strategy as primary scheme is backed up by a Total Harmonic Distortion (THD) detection method that takes over protection of the network in the case of failure in the primary method. In order to enhance the reliability of the proposed system during possible communication losses, additional non-communication back up algorithm based on voltage measurement is developed, too. The advantage of the proposed hybrid system is that the system can operate correctly for all types of internal and communication failures, plus prevents unwanted tripping caused by DG integration and dynamic behavior of microgrid.

Original languageEnglish
Title of host publicationProceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538682180
DOIs
Publication statusPublished - Sept 2019
Event2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019 - Bucharest, Romania
Duration: 29 Sept 20192 Oct 2019

Publication series

NameProceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019

Conference

Conference2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019
Country/TerritoryRomania
CityBucharest
Period29/09/192/10/19

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

Keywords

  • Adaptive Relaying
  • backup protection
  • Distributed Generation
  • Microgrid
  • Overcurrent Relays
  • Power systems

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