Title :
Diagnosis by colorimetry of aged insulating paper of transformers
Author :
Isaka, Susumu ; Ishioka, Yasuaki ; Abe, Keiichi
Author_Institution :
Toshiba Corp., Kawasaki, Japan
Abstract :
The authors measured changes in the average degree of polymerization and those in the color of insulating paper. It was found that changes in the average degree of polymerization of insulating paper were closely correlated with color difference changes. This result suggests that the average degree of polymerization of the insulating paper may be estimated by colorimetry. Furthermore, the method may be applied to the insulation diagnosis of oil impregnated transformers
Keywords :
ageing; colorimetry; composite insulating materials; insulation testing; paper; polymerisation; power transformer insulation; power transformer testing; power transformers; transformer oil; aged insulating paper; color difference changes; colorimetry diagnosis; degree of polymerization; insulation diagnosis; oil impregnated transformers; Aging; Containers; Gas insulation; Oil insulation; Petroleum; Plastic insulation; Polymers; Power transformer insulation; Steel; Thermal degradation;
Conference_Titel :
Electrical Insulating Materials, 1995. International Symposium on
Conference_Location :
Tokyo
Print_ISBN :
4-88686-047-8
DOI :
10.1109/ISEIM.1995.496563
