English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The fast protection of meshed HVDC grids requires the modeling of thetransient phenomena affecting the grid after a fault. In the case of hybridlines comprising both overhead and underground parts, the numerous generatedtraveling waves may be difficult to describe and evaluate. This paper proposesa representation of the grid as a graph, allowing to take into account anywaves traveling through the grid. A relatively compact description of the wavesis then derived, based on a combined physical and behavioral modeling approach.The obtained model depends explicitly on the characteristics of the grid aswell as on the fault parameters. An application of the model to theidentification of the faulty portion of an hybrid line is proposed. Theknowledge of the faulty portion is profitable as faults in overhead lines,generally temporary, can lead to the reclosing of the line.

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