Title :
Quality control of extruded HVDC cables: Low frequency endurance testing of model cables with contaminations
Author :
Mauseth, Frank ; Ildstad, Erling ; Selsjord, Mildrid ; Hegerberg, Rolf
Author_Institution :
Dept. of Electr. Power Eng., NTNU, Trondheim, Norway
Abstract :
This paper presents results from laboratory experiments preformed in order to evaluate different methods for quality assurance of polymeric insulated HVDC cables. Samples of model cables were prepared, equipped with 1.5 mm thick XLPE insulation, containing insulating and conductive spherically shaped particle inclusions with diameters of 250, 140 or 80 μm, distributed at the inner semi-conductor interface. The results indicates that the 0.1 Hz VLF test voltage needs to be 2 to 3 times higher than at 50 Hz power frequency in order to eliminate the same defects within a comparable time.
Keywords :
HVDC power transmission; XLPE insulation; power cable insulation; quality assurance; quality control; VLF test voltage; XLPE insulation; conductive spherically shaped particle inclusion; extruded HVDC cable; model cable contamination; polymeric insulated HVDC cable; quality assurance; quality control; semiconductor interface; size 1.5 mm; Breakdown voltage; Electric breakdown; HVDC transmission; Insulation; Mechanical cables; Testing; Time frequency analysis;
Conference_Titel :
High Voltage Engineering and Application (ICHVE), 2010 International Conference on
Conference_Location :
New Orleans, LA
Print_ISBN :
978-1-4244-8283-2
DOI :
10.1109/ICHVE.2010.5640845
