A Model for the Study of Sheath Currents in Medium Voltage Cables for Industrial Application

Gaetano Zizzo, Eleonora Riva Sanseverino, Massimo Mitolo, Roberto Candela

Risultato della ricerca: Conference contribution

3 Citazioni (Scopus)


In this paper, the implementation of a simulation model for studying the effect of cross-bonding of metallic sheaths and/or non-magnetic armor of single-core medium voltage cables in the same circuit is discussed. With the use of single-core cables, the resistive losses due to the induced circulating currents in cable sheaths or armors causes an increase of cable temperature that reduces its ampacity. In addition, the risk of electric shock due to induced voltages may be present if a person is exposed to the armor/sheath at the unbounded end. For this reason, special bonding techniques are used to significantly reduce these currents. The authors have implemented a model that could be used to help optimize the cross-bonding configuration for single-core cables employed in high-current industrial applications. The model has been experimentally validated thanks to actual data from a medium-voltage underground line.
Lingua originaleEnglish
Titolo della pubblicazione ospiteConference Record - Industrial and Commercial Power Systems Technical Conference
Numero di pagine6
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

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