On-load tap changer reliability and maintenance strategy

41st International Conference on Large High Voltage Electric Systems 2006, CIGRE 2006

Volumn , Issue , 2006, Pages

  Foata, M ^a   Rajotte, C ^a   Jolicoeur, A ^a  

^a Hydro   (Canada)

Author keywords

Diagnostic; Maintenance; OLTC; Reliability; Tap changer; Transformer; Vibro acoustic

Indexed keywords

DIAGNOSTIC; OLTC; TAP CHANGERS; TRANSFORMER; VIBRO-ACOUSTIC;

ACOUSTIC WAVE PROPAGATION; COSTS; MAINTENANCE; PREVENTIVE MAINTENANCE; RELIABILITY; VOLTAGE CONTROL;

RELIABILITY ANALYSIS;

EID: 84876767189     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. CIGRÉ WG 12.05, "An International Survey on Failures in Large Transformers in Service". Electra 88, 1983, page 21.
2. CIGRÉ, "Guide for Life Management Techniques for Power Transformers". Brochure WG A2.18, 2003.
3. CIGRÉ, "Recent Developments in DGA Interpretation". Brochure JTF D1-01/A2-11, 2004.
4. M. F. Lachman, "The Influence of Transformer Load Tap Changers on Single-Phase Exciting- Current Test Results". Doble User's Conference, Boston, 1992.
5. EPRI, "Study of Improved Load-Tap-Changing for Transformers and Voltage Regulators". Report EL-6764, April 1990.
6. T. Bengtsson, M. Foata, et al., "Acoustic Diagnosis of Tap Changers". CIGRÉ 1996, paper 12- 101.
7. M. Foata, B. Girard, C. Landry, A. Mow and C. Rajotte, "Field Experience with the Implementation of a New On-Line Vibro-Acoustic Diagnostic for On-Load Tap Changers". Doble User's Conference, Boston, 2005.