Transformer insulation life assessment

IEEE Transactions on Power Delivery

Volumn 21, Issue 1, 2006, Pages 150-156

  Muthanna, Kshira T ^a   Sarkar, Abhinanda ^a   Das, Kaushik ^b   Waldner, Kurt ^c  

^a GE GLOBAL RESEARCH   (India)

^b GECIS   (India)

^c GE ENERGY   (United States)

Author keywords

Ambient temperature simulation; Bx life; Generator stepup units (GSU); Hourly load simulation; Insulation life; Oil immersed transformers; Power transformers; Renewal theory; Weibull distribution

Indexed keywords

CONDITION MONITORING; ELECTRIC GENERATORS; ELECTRIC INSULATION; ELECTRIC LOADS; ELECTRIC POWER PLANTS; SIMULATION; TEMPERATURE; WEIBULL DISTRIBUTION;

AMBIENT TEMPERATURE SIMULATION; GENERATOR STEPUP UNITS (GSU); HOURLY LOAD SIMULATION; INSULATION LIFE; OIL-IMMERSED TRANSFORMERS; POWER TRANSFORMERS; RENEWAL THEORY;

ELECTRIC TRANSFORMERS;

EID: 33244462135     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2005.855474     Document Type: Article

References (13)

1. D. Allan, C. Jones, and B. Sharp, "Studies of the condition of insulation in aged power transformers," in Proce. 3rd Int. Conf. Properties Applications Dielectric Materials, Tokyo, Japan, Jul. 8-12, 1991.
2. J. A. Jardini, H. P. Schmidt, C. M. V. Tahan, C. C. B. de Oliveira, and S. U. Ahn, "Distribution transformer loss of life evaluation: A novel approach based on daily load profiles," IEEE Trans. Power Del., vol. 15, no. 1, pp. 361-366, Jan. 2000.
3. C. G. Carter-Brown, "Load profile modeling for integrated energy planning," in Proc. Domestic Use Electric Energy Conf., 1999, pp. 13-18.
4. C. Blanco, J. Gray, and M. Hazzard, Weather Contingent Load Simulation: Financial Engineering Associates, Inc., 2003.
5. IEEE Guide for Loading Mineral-Oil-Immersed Transformers. IEEE Std. C57.91-1995.
6. W. Q. Meeker and L. A. Escobar, Statistical Methods for Reliability Data. New York: Wiley, 1998, ch. 13, pp. 316-342.
7. Life Data Analysis Software from ReliaSoft Corporation, Tucson, AZ.
8. The New Weibull Handbook, Sep. 2000. R. B. Abernethy.
9. J. Aubin, A. Bourgault, C. Rajotte, and P. Gervais, "Profitability assessment of transformer on-line monitoring and periodic monitoring," in Proc. EPRI Substation Equipment Diagnostics Conf., Feb. 2002.
10. G. F. Lawler, Introduction to Stochastic Processes. London, U.K.: Chapman & Hall, Jul. 1, 1995.
11. R. C. Degeneff, R. Batruni, and M. A. Lebow, "Determining the effect of thermal loading on the remaining useful life of a power transformer from its impedance versus frequency characteristic," IEEE Trans. Power Del., vol. 11, no. 3, pp. 1385-1390, Jul. 1996.
12. G. Swift and T. Molinski, Power transformer life-cost cycle reduction, in Electricity Today (Canadian Electricity Forum), Toronto, ON, Canada, Apr. 1997.
13. K. B. M. I. Perera, J. R. Lucas, K. K. A. S. D. Kumarasinghe, R. L. I. K. Dias, U. A. D. R. Athukorala, and P. G. A. Gunawardana, "Estimation of optimum transformer capacity based on load curve," Trans. Inst. Elect. Eng. Sri Lanka, vol. 3, no. 1, Jan. 2001.