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A new fault-impedance algorithm for distance relaying on a transmission line
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Xu, Z. Y., Xu, G., Ran, Li, Yu, S. and Yang, Q. X. (2010) A new fault-impedance algorithm for distance relaying on a transmission line. IEEE Transactions on Power Delivery, 25 (3). pp. 1384-1392. doi:10.1109/TPWRD.2010.2042082 ISSN 0885-8977.
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Official URL: http://dx.doi.org/10.1109/TPWRD.2010.2042082
Abstract
This paper describes a new algorithm to calculate the per phase impedance between the measurement and fault points on a transmission line, featuring robustness to the uncertainties in load current and fault path resistance. The algorithm, which is ideal for distance relaying, is derived based on a justifiable assumption of the fault path being purely resistive, implying that the unmeasured fault point voltage and fault path current are in phase with each other. This paper illustrates the characteristics of the proposed algorithm and evaluates its performance by using PSCAD/EMTDC simulation.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | IEEE Transactions on Power Delivery | ||||
Publisher: | IEEE | ||||
ISSN: | 0885-8977 | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | 25 | ||||
Number: | 3 | ||||
Page Range: | pp. 1384-1392 | ||||
DOI: | 10.1109/TPWRD.2010.2042082 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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