Low-frequency noise in ZnO varistor structures

Author

Hasse, L. ; Smulko, J. ; Kaczmarek, L.

Author_Institution

Dept. of Optoelectron. & Electron. Syst., Gdansk Univ. of Technol., Gdansk, Poland

fYear

2011

fDate

12-16 June 2011

Firstpage

73

Lastpage

76

Abstract

The noise spectroscopy has been used as a diagnostic tool of surge arrester varistor structures consisting of grained ZnO. The electrical properties of measured samples have been described. In the experimental study, the applied measurement system and the results of noise measurements for the selected structures of 280 V and 440 V varistors have been presented. Noise properties are related to electrical characteristics of measured specimens. It is suggested that the proposed procedure can be applied as an effective nondestructive testing method focused on defects and structural inhomogeneity detection in tested objects.

Keywords

arresters; nondestructive testing; varistors; zinc compounds; Noise properties; ZnO; diagnostic tool; low-frequency noise; noise spectroscopy; nondestructive testing method; structural inhomogeneity detection; surge arrester varistor structures; varistor structures; voltage 280 V; voltage 440 V; Current measurement; Noise; Noise measurement; Spectroscopy; Varistors; Voltage measurement; Zinc oxide; ZnO varistor; diagnostics; low-frequency noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Noise and Fluctuations (ICNF), 2011 21st International Conference on

Conference_Location

Toronto, ON

Print_ISBN

978-1-4577-0189-4

Type

conf

DOI

10.1109/ICNF.2011.5994388

Filename

5994388