Title :
Practical experiences in on-site PD diagnosis tests of HV power cable accessories in service
Author :
Lemke, E. ; Strehl, T. ; Weissenberg, W. ; Herron, J.
Author_Institution :
Lemke Diagnostics GmbH, Dresden
Abstract :
The presented paper deals with preventive on-site PD diagnostics of HV cable terminations under operation voltage using an ultra-wide-band (UWB) PD probing. In order to assess the detected PD level quantitatively as "equivalent apparent charge" a sensitivity check has been performed. The results reveal that by means of the applied method potential PD defects in GIS-cable terminations could well be recognized where a PD detection sensitivity as low as few pC was achieved
Keywords :
UHF detectors; electric connectors; gas insulated substations; partial discharge measurement; power cable testing; sensitivity; ultra wideband technology; GIS-cable termination; HV power cable; UHF sensor; on-site PD diagnosis test; sensitivity; ultrawideband PD probing; Attenuation; Frequency; Geographic Information Systems; IEC standards; Partial discharges; Power cables; Testing; UHF measurements; Ultra wideband technology; Voltage;
Conference_Titel :
Electrical Insulation, 2006. Conference Record of the 2006 IEEE International Symposium on
Conference_Location :
Toronto, Ont.
Print_ISBN :
1-4244-0333-2
DOI :
10.1109/ELINSL.2006.1665365
