Assessment of overload capacity of power transformers by on-line monitoring systems

Proceedings of the IEEE Power Engineering Society Transmission and Distribution Conference

Volumn 1, Issue WINTER MEETING, 2001, Pages 329-334

  Tenbohlen, S ^a   Stirl, T ^a   Stach, M ^b  

^a ALSTOM   (France)

^b EON Kernkraft GmbH   (Germany)

Author keywords

Lifetime assessment; On line monitoring system; Overload calculation; Power transformer; Thermal model

Indexed keywords

ELECTRIC SURGES; ELECTRIC TRANSFORMER LOADS; ONLINE SYSTEMS; POWER CONTROL; POWER CONVERTERS;

ONLINE MONITORING SYSTEMS; OPEN ELECTRICITY MARKET; OVERLOAD CALCULATION; POWER TRANSFORMERS;

ELECTRIC TRANSFORMER TESTING;

EID: 0037971671     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. IEC 60354: "Loading guide for oil immersed power transformers" (IEC, 1991)
2. S. Tenbohlen, F. Figel: "On-line Condition Monitoring of Power Transformers", IEEE Power Engineering Society Winter Meeting, Singapore, 2000
3. S. Tenbohlen et al.: "Enhanced Diagnosis of Power Transformers using On- and Off-line Methods: Results, Examples and Future Trends", CIGRE Session 2000, paper 12-204, Paris, 2000
4. A. J. Oliver: "Estimation of transformer winding temperatures and coolant flows using general network method", IEE Proc., Vol. 127, Pt. C, No. 6, November 1980
5. M. Schäfer, K. Feser: "Thermal Monitoring of Large Power Transformers", IEEE PowerTech, paper BPT99-072-30, Budapest, 1999
6. F. P. Incropera, P. D. De Witt: "Fundamentals of Heat and Mass Transfer", John Wiley & Sons, 1996
7. "An International Survey on Failures of Large Power Transformers in Service", CIGRE Working Group 12.05, Electra, No. 88, January 1983
8. V. M. Montsinger: "Loading Transformers by Temperature", Winter Convention of the A.I.E.E., New York, N. Y., Jan. 27-31, 1930
9. W. J. McNutt: "Insulation Thermal Life Considerations for Transformer Loading Guides", Trans. on Pow. Del., Vol. 7, No. 1, January 1992