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Content Provider | IEEE Xplore Digital Library |
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Author | Xu Yan Liu Qing Wang Zengping |
Copyright Year | 2006 |
Description | Author affiliation: Key Lab. of Power Syst. Protection & Dynamic Security Monitoring & Control, North China Electr. Power Univ., Baoding (Xu Yan; Liu Qing; Wang Zengping) |
Abstract | This paper presents a new scheme for transformer differential protection based on the OCT. The scheme can operate reliably when internal faults occurred and do not operate in the condition of external faults, inrush and overexcitation. This scheme combines harmonic restraint and blocking methods with dc content blocking. In this paper, the digital signal processor (DSP) is applied to improve computation and render fast protection feasible. The novel transformer protection system interface construction, hardware structure, software algorithm are discussed. Performance analysis shows its has distinguish advantages over the traditional transformer protection |
Starting Page | 808 |
Ending Page | 812 |
File Size | 158219 |
Page Count | 5 |
File Format | |
ISBN | 0780391942 |
DOI | 10.1109/TDC.2006.1668600 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2006-05-21 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Circuit faults Power transformer insulation Current transformers Power system protection Transducers Surge protection Optical saturation Optical sensors Power transformers Fault currents |
Content Type | Text |
Resource Type | Article |
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