Current rating computations for HV and EHV insulated cables play a crucial role in the planning phase of a new line for both an entirely underground cable link and a mixed or hybrid (cascade connection of overhead and cable line) one. The paper gives a wide overview of the technical solutions which allow very high current ratings in undergrounded insulated cables. These solutions are examined from a theoretical standpoint and practical applications are shown and explained. The paper demonstrates that in underground insulated cables current rating up to 2500 A can be reached.
Review of high current rating insulated cable solutions
BENATO, ROBERTO;DAMBONE SESSA, SEBASTIAN;
2016
Abstract
Current rating computations for HV and EHV insulated cables play a crucial role in the planning phase of a new line for both an entirely underground cable link and a mixed or hybrid (cascade connection of overhead and cable line) one. The paper gives a wide overview of the technical solutions which allow very high current ratings in undergrounded insulated cables. These solutions are examined from a theoretical standpoint and practical applications are shown and explained. The paper demonstrates that in underground insulated cables current rating up to 2500 A can be reached.
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