Title :
Development and on-site application of UHF PD detection system to estimate the insulator condition of MV switchgear
Author :
Kang, W.J. ; Park, J.N. ; Lee, D.H. ; Shin, Y.S. ; Kim, Y.K. ; Oh, I.S. ; Kim, D.M. ; Lim, K.J.
Author_Institution :
Electrotechnol. R&D Center, LS Ind. Syst., Seoul
Abstract :
Defects in the SF6 medium voltage (MV) switchgear can result in failure. Therefore it is important to detect defects, such as protrusions and particle, in time and to determine their risk for a possible breakdown. For high voltage apparatus, the ultrahigh frequency (UHF) partial discharge (PD) detection technology has proven to be a sensitive method. In this contribution the development of UHF PD detection system for the MV switchgear and its application are described. Experimental studies show that the PD detection of the MV switchgear defects is possible.
Keywords :
SF6 insulation; electric breakdown; fault diagnosis; insulators; partial discharges; switchgear; UHF PD detection system; insulator condition estimation; medium voltage switchgear; ultrahigh frequency partial discharge; Frequency measurement; Insulation; Noise measurement; Partial discharges; Pattern analysis; Signal analysis; Spectral analysis; Sulfur hexafluoride; Switchgear; UHF measurements; MV Switchgear; UHF PD; diagnosis;
Conference_Titel :
Condition Monitoring and Diagnosis, 2008. CMD 2008. International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-1621-9
Electronic_ISBN :
978-1-4244-1622-6
DOI :
10.1109/CMD.2008.4580481
