Low-cost frequency response analyzer for transformer diagnosis

Conference proceedings article

Authors/Editors

Strategic Research Themes

No matching items found.

Publication Details

Author list: Sriphuek R., Chotigo S.

Publisher: Hindawi

Publication year: 2012

Start page: 437

End page: 441

Number of pages: 5

ISBN: 9781467310208

ISSN: 0146-9428

eISSN: 1745-4557

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84874259610&doi=10.1109%2fCMD.2012.6416172&partnerID=40&md5=7af572eb3d10b4dd27a937f9dad964ef

Languages: English-Great Britain (EN-GB)

View on publisher site

Abstract

Frequency response analysis (FRA) is a powerful and sensitive tool to assess the core, windings and clamping structures within power transformer. In this paper, it represents a Low-Cost Frequency Response Analyzer (LCFRA). The developed LCFRA was composed of digital oscilloscope, function generator and Labview software[1]-[3]. In this paper, the measured sampling was 22kV/400V 250kVA 3phase transformer. Then, the frequency response of transformer measured by the LCFRA was compared with that from commercial SFRA (DOBLE M5300). The results of LCFRA were similar to that of the commercial SFRA. This relation was proved by the cross correlation coefficients (CCF) which had the minimum value at 0.9976. This CCF value showed a good match relation between those two results. ฉ 2012 IEEE.

Keywords

Frequency Response Analysis, Transformer Diagnosis