Remaining life assessment of power transformers

Water and Energy International

Volumn 65, Issue 3, 2008, Pages 30-33

  Vijaya Kumari, S ^a   Viswanath, G R ^a   Dheepalakshmi, ^a   Dwarakanath, K ^a   Tripathy, A K ^a  

^a CENTRAL POWER RESEARCH INSTITUTE   (India)

Author keywords

Cellulose insulation; Degree of polymerization; Furans; Loading guide; Mineral oil; Percentile population; Power transformers; Remaining life assessment

Indexed keywords

CELLULOSE; ELECTRIC INSULATING MATERIALS; ELECTRIC POWER TRANSMISSION; ELECTRIC TRANSFORMERS; POLYMERIZATION;

CELLULOSE; EQUIPMENT; FURAN; POLYMERIZATION;

GOSSYPIUM HIRSUTUM;

EID: 58249088931     PISSN: 0972057X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

1. IEEE Std C57.91-1995, IEEE Guide for Loading Mineral-Oil-immersed Transformers.
2. Large-scale survey of furanic compounds in operating transformers and implications for estimating service life, John R.Sans etal, (Conference Record of the 1998 IEEE International Symposium on Electrical Insulation, USA, June 7-10, 1998).
3. Transformer ageing research on furanic compounds dissolved in insulating oil, H. Lutke etal., (15-302, Session 2002, CIGRE).
4. Ageing of cellulose at transformer service temperatures. Part 1: Influence of type of oil and air on the degree of polymerization of pressboard, dissolved gases, and furanic compounds in oil, A.J.Kachler etal (IEEE Electrical Insulation Magazine, March/April 2005).
5. Ageing of cellulose at transformer service temperatures. Part 2. influence of moisture and temperature on degree of polymerization and formation of furanic compounds in free breathing systems, I.Hohlein etal (IEEE Electrical Insulation Magazine, Sep./Oct.2005).
6. IEC 61198-1993 : Mineral insulating oils - Methods for the determination of 2- furfural and related compounds.