A wavelet-based differential transformer protection

被引：53

作者：

Gómez-Morante, M ^{[1
]}

Nicoletti, DW ^{[1
]}

机构：

[1] Worcester Polytech Inst, Worcester, MA 01609 USA

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 1999年 / 14卷 / 04期

关键词：

power transformer protection; protective relaying; wavelet transforms;

D O I：

10.1109/61.796228

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Transformer inrush currents were traditionally evaluated by means of Fourier analysis. Such approach affects the design of transformer differential relays concerning their immunity to inrush currents. This paper presents a wavelet-based method, which seems to provide a reliable and computationally efficient tool for distinguishing between internal faults and inrush currents.

引用

页码：1351 / 1358

页数：8

共 20 条

[1] COMPUTERIZED EVALUATION OF THE MAGNETIZING INRUSH CURRENT IN TRANSFORMERS [J].