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Low-complexity graph-based traveling wave models for HVDC grids with hybrid transmission lines: Application to fault identification

Abstract : The fast protection of meshed HVDC grids requires the modeling of the transient phenomena affecting the grid after a fault. In the case of hybrid lines comprising both overhead and underground parts, the numerous generated traveling waves may be difficult to describe and evaluate. This paper proposes a representation of the grid as a graph, allowing to take into account any waves traveling through the grid. A relatively compact description of the waves is then derived, based on a combined physical and behavioral modeling approach. The obtained model depends explicitly on the characteristics of the grid as well as on the fault parameters. An application of the model to the identification of the faulty portion of an hybrid line is proposed. The knowledge of the faulty portion is profitable as faults in overhead lines, generally temporary, can lead to the reclosing of the line.
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Preprints, Working Papers, ...
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https://hal-centralesupelec.archives-ouvertes.fr/hal-03165829
Contributor : Michel Kieffer Connect in order to contact the contributor
Submitted on : Wednesday, March 10, 2021 - 11:34:22 PM
Last modification on : Tuesday, October 19, 2021 - 11:22:02 AM
Long-term archiving on: : Friday, June 11, 2021 - 7:27:32 PM

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IEEE_trans_SG_long.pdf
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  • HAL Id : hal-03165829, version 1
  • ARXIV : 2103.07194

Citation

Michel Kieffer, Paul Verrax, Nathan Alglave, Alberto Bertinato, Bertrand Raison. Low-complexity graph-based traveling wave models for HVDC grids with hybrid transmission lines: Application to fault identification. 2021. ⟨hal-03165829⟩

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