NDLI: Novel design of a fast phase selector using correlation analysis

Content Provider	IEEE Xplore Digital Library
Author	Xiang-Ning Lin Menghua Zhao Alymann, K. Pei Liu
Copyright Year	1986
Abstract	This paper proposes a novel phase selector using superimposed sequence currents in conjunction with the correlation analysis. The vector ratio between superimposed positive-sequence current and negative current for various types of faults especially the double-phase-earth fault is investigated. As a result, the appropriate criterion of phase selection is put forward. The correlation analysis is introduced to implement the fast phase comparison to improve the operating speed. The multibase relative comparison is performed on the correlated coefficients evaluated from the three different base phases to adapt to this type of phase selecting scheme. Additionally, a magnitude-comparison-based subsidiary criterion is applied to address the problem of possible malphase selection in the event of double-phase-earth faults. The reliability and fast operation of this scheme was proven by the Electromagnetic Transients Program-based simulation tests.
Sponsorship	IEEE Power Engineering Society
Starting Page	1283
Ending Page	1290
Page Count	8
File Size	300078
File Format	PDF
ISSN	08858977
Volume Number	20
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Discrete Fourier transforms Transmission line theory Protection Protective relaying Polarization Performance evaluation Power system transients Testing transmission line Correlation analysis phase comparison phase selector sequence component superimposed
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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