Identifying transformer incipient events for maintaining distribution system reliability

Author

Butler-Purry, Karen L. ; Bagriyanik, Mustafa

Author_Institution

Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA

fYear

2003

fDate

6-9 Jan. 2003

Abstract

This paper presents the time domain and time-frequency domain analysis results of incipient events in single-phase distribution transformers. This analysis aids in the development of an automatic detection method for internal incipient faults in the transformers. The detection method can provide information to predict failures ahead of time so that the necessary corrective actions are taken to prevent outages and reduce down times. The analyzed data was obtained from simulations and experiments. Time-frequency analysis was performed using discrete wavelet transform (DWT). The obtained results are discussed.

Keywords

discrete wavelet transforms; power distribution reliability; power transformers; time-frequency analysis; automatic detection; discrete wavelet transform; distribution system reliability; down times reduction; failures prediction; internal incipient faults; single-phase distribution transformers; time domain analysis; time-frequency domain analysis; transformer incipient events; Circuit faults; Discrete wavelet transforms; Electrical fault detection; Fault detection; Maintenance; Power system reliability; Power transformer insulation; Power transformers; Protection; Wavelet analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

System Sciences, 2003. Proceedings of the 36th Annual Hawaii International Conference on

Print_ISBN

0-7695-1874-5

Type

conf

DOI

10.1109/HICSS.2003.1173874

Filename

1173874