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Denche Castejon, GregorioAuthorGarnacho Vecino, FernandoAuthorAlvarez Gomez, FernandoAuthorKhamlichi El Khamlichi, AbderrahimAuthor

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Article

Improved cable connection to mitigate transient enclosure voltages in 220kV gas-insulated substations

Publicated to:Ieee Transactions On Industry Applications. 2015 (1): 562-569 - 2016-01-01 2015(1), DOI: 10.1109/TIA.2015.2466684

Authors: Khamlichi A; Donoso G; Garnacho F; Denche G; Valero A; Álvarez F

Affiliations

High Voltage Technol Ctr LCOE F2I2, High Voltage Calibrat Lab, Madrid 28906, Spain - Author
High Voltage Technol Ctr LCOE F2I2, Madrid 28906, Spain - Author
High Voltage Technological Center (LCOE-F2I2) - Author
Red Elect Espana, Engn Lines Dept, Madrid 28906, Spain - Author
Red Elect Espana, Line Maintenance Dept, Madrid 28109, Spain - Author
Tech Univ Madrid ETSIDI UPM, Madrid 28012, Spain - Author
Universidad Politécnica de Madrid - Author
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Abstract

© 2015 IEEE. Very fast transient overvoltages (VFTO) due to switching operations can appear between the gas-insulated substation (GIS) enclosures and the cable sheaths, and between these grounding parts and the substation earth structures. These VFTO achieve hundreds of kilovolts provoking hazardous disruptive discharges for the human safety. This paper include a sensitivity analysis of the different parameters in order to establish criteria to be adopted in the grounding system design of the GIS structures and the cable connection to mitigate transient overvoltages. The use of bypass surge voltage limiters (SVL) between the GIS enclosure and the cable sheath are also needed to avoid uncontrolled discharges. The selection of these SVL according to insulation coordination rules is presented in this paper ensuring electrical safety without affecting the current mode of exploitation of the 220 kV GIS, or the cable.

Keywords

Bypass surge voltage limiters (svl)Bypass surge voltage limiters (svls)Cable sheathCable sheathingCablesDisruptive dischargesElectric groundingElectric insulation coordinationElectromagnetic wave emissionEnclosuresGas insulated substationsGas-insulated substations (gis)Gas-insulated substations (giss)Gis enclosureGround potential riseGrounding systemGrounding systemsInsulation levelLightning protectionPartial dischargesPower qualityProtection marginSensitivity analysisSurge protectionSurge voltageTransient enclosure voltages (tev)Transient enclosure voltages (tevs)Transient ground potential riseTransient ground potential rise (tgpr)

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Ieee Transactions On Industry Applications due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2016, it was in position 13/85, thus managing to position itself as a Q1 (Primer Cuartil), in the category Engineering, Multidisciplinary.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-14:

  • WoS: 7
  • Scopus: 15

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-14:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 15 (PlumX).