Field experience with on-line bushing diagnostic to improve transformer reliability

42nd International Conference on Large High Voltage Electric Systems 2008, CIGRE 2008

Volumn , Issue , 2008, Pages

  Picher, P ^a   Rajotte, C ^a   Nguyen, V N ^a  

^a HYDRO QUÉBEC   (Canada)

Author keywords

Bushing; Capacitance; On line Diagnostic; Power Factor.; Reliability; Transformer

Indexed keywords

CAPACITIVE LEAKAGE CURRENT; DIAGNOSTIC CAPABILITIES; DIAGNOSTIC TECHNIQUES; IMPLEMENTATION APPROACH; ON-LINE DIAGNOSTICS; PORTABLE TEST EQUIPMENTS; POWER FACTORS; TRANSFORMER;

CAPACITANCE; CAPACITIVE SENSORS; DIELECTRIC PROPERTIES; ELECTRIC POWER FACTOR; ELECTRIC RESISTANCE; EQUIPMENT; EQUIPMENT TESTING; MEASUREMENTS; PARAMETER ESTIMATION; PERSONNEL TESTING; RELIABILITY; RELIABILITY ANALYSIS; SAFETY TESTING; SENSORS; SOFTWARE TESTING; TEST FACILITIES;

BUSHINGS;

EID: 84876750274     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (5)

1. M. Foata, C. Rajotte and A. Jolicoeur, "On-Load Tap Changer Reliability and Maintenance Strategy" (CIGRE 2006, paper A2-102).
2. M.F. Lachman, W. Walter, P.A.von Guggenberg, "On-Line Diagnostics of High-Voltage Bushings and Current Transformers Using the Sum Current Method" (IEEE Transactions on Power Delivery, Vol. 15, No. 1, January 2000).
3. R. Malewski, J. Douville, L. Lavallée, "Measurement of switching transients in 735-kV substations and assessment of their severity for transformer insulation" (IEEE Transactions on Power Delivery, Vol. 3, No. 4, October 1988).
4. R. Malewski, R. Kobi, D.J. Kopaczynski, E. Lemke and P. Werelius, "Instruments for HV Insulation Testing in Substations" (CIGRE 2000, paper 12/33-06).
5. Z. Berler, V. Sokolov, V. Prikhodko and D. Bates, "On-Line Monitoring of HV Bushings and Current Transformers" (Proceedings of Electrical Insulation Conference and Electrical Manufacturing Expo., October 23-26, 2005, pp. 61-66).