Journal article Open Access

Measuring Cable Sheath Currents to Detect Defects in Cable Sheath Connections

Marina Adel


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.3871559", 
  "language": "eng", 
  "title": "Measuring Cable Sheath Currents to Detect Defects in Cable Sheath Connections", 
  "issued": {
    "date-parts": [
      [
        2020, 
        6, 
        1
      ]
    ]
  }, 
  "abstract": "<p>This paper presents a method for detecting different types of defects in the cable sheaths interconnected in a cross bonding configuration of a HV cable system installed in flat or trefoil layout using the sheath currents as input data. Three different defects have been analyzed: electric continuity loss of earth connection, short-circuit between sectionalized metal sheaths of a cable joint and link-box flooding. The sheath current has been calculated by two different approaches, one on the basis of theoretical equations, programed in MATLAB&reg; and the other on the basis of ATP software simulating the cable system model. The results obtained using both methods have achieved a good agreement between them. A simple criterion by the means of a easy normalized code of four discrete levels 0, 1, 2 and 3 has been developed to distinguish the magnitude level of change of sheath currents in case of the indicated defect existence in&nbsp; order to trigger alarm.</p>", 
  "author": [
    {
      "family": "Marina Adel"
    }
  ], 
  "type": "article-journal", 
  "id": "3871559"
}
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