DocumentCode
1984497
Title
A new method of detecting current transducer saturation based on wavelet transform
Author
Guicun, Li ; Wanshun, Liu ; Qingquan, Jia ; Lin, Teng ; Fengmei, Cao ; Ying, Li
Author_Institution
Sifang Inst. North China Electr. Power Univ., Beijing, China
Volume
1
fYear
2001
fDate
15-19 July 2001
Firstpage
617
Abstract
Bus bar differential protection using instantaneous current values is easily influenced by current transducer (CT) saturation, causing maloperation. A method of analyzing the voltage of busbars using the wavelet transform is presented in this paper to detect fault points accurately. One can distinguish whether the CT is saturated based on the time difference between the time of the fault and the time of differential current.
Keywords
busbars; electric current measurement; power system measurement; transducers; wavelet transforms; busbar differential protection; current transducer saturation detection; fault point detection; power system; wavelet transform; Circuit faults; Fault currents; Fault detection; Fourier transforms; Power system protection; Signal analysis; Signal processing; Transducers; Wavelet analysis; Wavelet transforms;
fLanguage
English
Publisher
ieee
Conference_Titel
Power Engineering Society Summer Meeting, 2001
Conference_Location
Vancouver, BC, Canada
Print_ISBN
0-7803-7173-9
Type
conf
DOI
10.1109/PESS.2001.970109
Filename
970109
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