Title :
Cavity formation in mass-impregnated HVDC subsea cables-mechanisms and critical parameters
Author :
Runde, Magne ; Hegerberg, Rolf ; Magnusson, Niklas ; Ildstad, E. ; Ytrehus, Tor
Author_Institution :
SINTEF Energy Res., Trondheim, Norway
Abstract :
This article proposes how thermal and pressure gradients cause cavities to form in the insulation system of mass-impregnated nondraining HVDC subsea cable insulation, during high load and load changes.
Keywords :
HVDC power transmission; power cable insulation; submarine cables; thermal analysis; cavity formation; insulation system; mass-impregnated nondraining HVDC subsea cable mechanism; pressure gradients; thermal gradients; Cable shielding; Cavity resonators; Conductors; HVDC transmission; Power cable insulation; Power cables; Power transmission; Underground power cables; HVDC; cavitation; mass-impregnated nondraining cable; subsea cable;
Journal_Title :
Electrical Insulation Magazine, IEEE
DOI :
10.1109/MEI.2014.6749570
