Ageing studies on paper and oil to assess the condition of solid insulation used in power transformers

Author

Thomas, P. ; Shukla, A.K. ; Raghuveer

Author_Institution

Central Power Res. Inst., Bangalore, India

fYear

2001

fDate

6/23/1905 12:00:00 AM

Firstpage

69

Lastpage

72

Abstract

The present study involves the ageing of insulation paper and oil samples at three different temperatures, i.e. 85 °C, 100 °C and 115 °C, for 1000 h in the laboratory. The deterioration in mechanical and electrical properties of paper as a result of ageing has been correlated with a fall in the degree of polymerization and a rise in furan content

Keywords

ageing; condition monitoring; dielectric losses; electric breakdown; insulation testing; paper; polymerisation; power transformer insulation; power transformer testing; tensile strength; transformer oil; viscosity; 1000 h; 85 to 115 C; ageing; breakdown voltage; degree of polymerization; electrical properties; furan content; high performance liquid chromatography; insulation condition assessment; mechanical properties; oil insulation; paper insulation; power transformer insulation; tan delta measurement; tensile strength; Aging; Dielectrics and electrical insulation; Gases; Oil insulation; Organic materials; Petroleum; Polymers; Power transformer insulation; Power transformers; Solids;

fLanguage

English

Publisher

ieee

Conference_Titel

Solid Dielectrics, 2001. ICSD '01. Proceedings of the 2001 IEEE 7th International Conference on

Conference_Location

Eindhoven

Print_ISBN

0-7803-6352-3

Type

conf

DOI

10.1109/ICSD.2001.955515

Filename

955515