DocumentCode
1753781
Title
Study on Anti-Interference Criterion for Numerical Relay
Author
Han Zhengqing ; Zhang Yuge ; Wei Jianzhong ; Liu Shuping ; Gao Shibin
Author_Institution
Sch. of Electr. Eng., Southwest Jiaotong Univ., Chengdu, China
fYear
2011
fDate
25-28 March 2011
Firstpage
1
Lastpage
4
Abstract
Firstly the paper introduces the characteristics of Electrical Fast Transient (EFT) and analyzes some maloperation cases of the current differential protection for transformer. Based on the characteristic of electrical fast transient burst, an anti-interference criterion is presented. Analysis of field record data and a large number of simulation show that the presented criterion can effectively improve the protection reliability in the EFT burst interference.
Keywords
power transformer protection; relays; reliability; EFT burst interference; antiinterference criterion; current differential protection; electrical fast transient; electrical fast transient burst; numerical relay; transformer; Data models; Equations; Harmonic analysis; Interference; Protective relaying; Transient analysis;
fLanguage
English
Publisher
ieee
Conference_Titel
Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific
Conference_Location
Wuhan
ISSN
2157-4839
Print_ISBN
978-1-4244-6253-7
Type
conf
DOI
10.1109/APPEEC.2011.5748644
Filename
5748644
Link To Document