Rapid faults detection for controlling multi-terminal high voltage DC grids under AC grid contingencies

Z. Xu, Zhen Wei, C. Zhang

Research output: Journal PublicationArticlepeer-review

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Abstract

To control power flow for integration of distributed energy onto urban power grids, rapid and accurate detection of the amplitude, phase-angle, and frequency offset of the grid voltage's positive and negative sequence components especially under grid fault conditions are more significant. This paper presents a new faults detection method that is capable of tracking signal deviations on the grid-voltage accurately and rapidly even in the case that bus-voltage contains high order harmonics and random noises. The experimental results verify the validity of the proposed method under various grid-fault conditions.
Original languageEnglish
Pages (from-to)476-483
JournalEnergy Procedia
Volume88
DOIs
Publication statusPublished - 17 Jun 2016

Keywords

  • MTDC
  • grid contingencies
  • phase tracking

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