Leakage current analysis for monitoring the conditions of polymer insulators

Author

Kumagai, Shinya ; Yoshimura, N.

Author_Institution

Dept. of Electr. & Electron. Eng., Akita Univ., Japan

fYear

2001

fDate

2001

Firstpage

55

Lastpage

58

Abstract

Leakage current on contaminated polymer insulators was analyzed using digital signal processing techniques. Salt-fog tests with non-soluble deposit were conducted in a laboratory, during which leakage current was separated into conductive, dry-band arc and their transition components. The time-integrated value (cumulative charge) of each component was measured. A prototype of artificial neural network-based system that can estimate hydrophobic states and contamination levels at the surface of polymer insulators by employing leakage current information was constructed

Keywords

computerised monitoring; electric current measurement; insulator contamination; insulator testing; leakage currents; neural nets; polymer insulators; Salt-fog tests; artificial neural network; contaminated polymer insulators; contamination levels; digital signal processing techniques; dry-band arc; hydrophobic states; insulator condition monitoring; leakage current analysis; nonsoluble deposit; transition components; Charge measurement; Condition monitoring; Current measurement; Digital signal processing; Laboratories; Leakage current; Plastic insulation; Polymers; Signal analysis; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on

Conference_Location

Himeji

Print_ISBN

4-88686-053-2

Type

conf

DOI

10.1109/ISEIM.2001.973555

Filename

973555