Abstract
A novel fault line section locating method of non-solidly grounded system based on Prony relative entropy theory was proposed in this paper. Firstly, piecewise Prony algorithm was used to fit the transient zero-sequence current signal of each detection point in the first T/20 cycle after fault occurs; secondly, transient zero-sequence dominant components were extracted and the relative entropy values of adjacent detection points were computed; lastly, the fault section was located by use of the feature that the transient zero-sequence currents from the same side of fault point possess high similarity while the opposite side of fault point possess low similarity. Simulation results verify the validity and accuracy of the method in this paper.
Keywords
This is a preview of subscription content, log in via an institution.
Buying options
Tax calculation will be finalised at checkout
Purchases are for personal use only
Learn about institutional subscriptionsPreview
Unable to display preview. Download preview PDF.
References
Zhang, H.F., Pan, Z.C., Sang, Z.Z.: A new fault locating method for power system with floating neutral based on signal injection. Automation of Electric Power Systems 28, 64–66 (2004)
Pan, Z.C., Zhang, H.F., Zhang, F., et al.: Analysis and modification of signal injection based fault line selection protection. Automation of Electric Power Systems 31, 71–75 (2007)
Yan, F., Yang, Q.X., Qi, Z., et al.: Study on Fault Locating Scheme for Distribution Network Besaed on Travelling Wave Theory. Proceedings of the CSEE 24, 37–43 (2004)
Hang, L.L., Xu, B.Y., Xue, Y.G., et al.: Transient Fault Locating Method Based on Line Voltage and Zero-mode Current in Non-solidly Earthed Network. Proceedings of the CSEE 32, 110–115 (2012)
Ma, S.C., Xu, B.G., Gao, H.L.: An Earth Fault Locating Method in Feeder Automation System by Examining Correlation of Transient Zero Mode Currents. Automation of Electric Power System 32, 48–51 (2008)
Tian, S., Wang, X.W., Wang, J.J.: Comparative Research on Fault Locating by Transient Zero-Module Current and Transient Zero-Module Power Based on Correlation Analysis. Power System Technology 35, 206–221 (2011)
Sun, B., Xu, B.Y., Sun, T.J.: New Fault Locating Method Based on Approximate Entropy of Transient Zero-module Current in Non-solidly Earthed Network. Automation of Electric Power System 33, 83–87 (2009)
Ma, S.C., Gao, H.L., Xu, B.G., et al.: A survey of fault locating methods in distribution network. Power System Protection and Control 37, 119–124 (2009)
Wang, X.W., Wu, J.W., Li, R.Y., et al.: A Novel Method of Fault Line Selection Based on Voting Mechanism of Prony Relative Entropy Theory. Electric Power 46, 59–64 (2013)
Sun, X.M., Gao, M.P., Liu, D.C., et al.: Analysis and processing of electrical fault signals with modified adaptive prony method. Proceedings of the CSEE 30, 80–87 (2010)
Shu, H.C., Peng, S.X.: Distribution network fault line detection using the full waveband complex relative entropy of wavelet energy. High Voltage Engineering 35, 1559–1564 (2009)
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2014 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Li, R., Wang, C., Wang, X. (2014). A Novel Method of Fault Section Locating Based on Prony Relative Entropy Theory. In: Li, K., Xue, Y., Cui, S., Niu, Q. (eds) Intelligent Computing in Smart Grid and Electrical Vehicles. ICSEE LSMS 2014 2014. Communications in Computer and Information Science, vol 463. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45286-8_38
Download citation
DOI: https://doi.org/10.1007/978-3-662-45286-8_38
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-45285-1
Online ISBN: 978-3-662-45286-8
eBook Packages: Computer ScienceComputer Science (R0)