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Dielectric loss has long been recognized as one of the most important indicators of cable insulation health. Although huge efforts have been made in the past to measure the dielectric loss of cable circuits, there has been no report of any successful on-line techniques for the purpose. This paper proposes a new on-line insulation dielectric loss monitoring method, based on separation of currents collected...
Single-core Cross-linked Polyethylene (XLPE) cables are commonly used to transmit 3-phase power in long distance transmission and distribution lines. Cross bonding of metal sheaths across phases limits induced currents. Assessing cable condition allows asset managers to prevent failure. On-line monitoring of Dielectric Loss (DL) indicates the general state of the cable insulation. In practice, DL...
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