Non-linear representation of voltage sag profiles for fault location in distribution networks
Fault location for distribution networks with multiple laterals would requires additional information such as from fault indicators and protective devices. As SCADA systems to provide such information are limited in 11 kV or lower voltage distribution networks, effective fault location method that o...
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International Journal of Electrical Power & Energy Systems
2011
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my.um.eprints.78862019-10-09T09:23:26Z http://eprints.um.edu.my/7886/ Non-linear representation of voltage sag profiles for fault location in distribution networks Mokhlis, Hazlie Li, H.Y. TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Fault location for distribution networks with multiple laterals would requires additional information such as from fault indicators and protective devices. As SCADA systems to provide such information are limited in 11 kV or lower voltage distribution networks, effective fault location method that only use information from a measurement at primary substation is needed. This paper presents the application of calculated non-linear voltage sag profiles and voltage sag measurement at primary substation to locate a fault in distribution networks. The proposed method firstly identifies the faulted section. From the indentified section, fault distance is calculated. The method has been tested under different fault scenarios that include various fault resistance, loading variation and data measurement errors. The results indicate the possibility of using this method to support automatic fault management system. International Journal of Electrical Power & Energy Systems 2011 Article PeerReviewed Mokhlis, Hazlie and Li, H.Y. (2011) Non-linear representation of voltage sag profiles for fault location in distribution networks. International Journal of Electrical Power & Energy Systems, 33 (1). pp. 124-130. ISSN 0142-0615 http://ac.els-cdn.com/S0142061510001249/1-s2.0-S0142061510001249-main.pdf?_tid=17190da6-a7d6-11e2-8f6d-00000aacb35f&acdnat=1366255052_593c0a298a93ae6fd8ef7f1a9b74117d DOI 10.1016/j.ijepes.2010.06.020 |
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TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Mokhlis, Hazlie Li, H.Y. Non-linear representation of voltage sag profiles for fault location in distribution networks |
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Fault location for distribution networks with multiple laterals would requires additional information such as from fault indicators and protective devices. As SCADA systems to provide such information are limited in 11 kV or lower voltage distribution networks, effective fault location method that only use information from a measurement at primary substation is needed. This paper presents the application of calculated non-linear voltage sag profiles and voltage sag measurement at primary substation to locate a fault in distribution networks. The proposed method firstly identifies the faulted section. From the indentified section, fault distance is calculated. The method has been tested under different fault scenarios that include various fault resistance, loading variation and data measurement errors. The results indicate the possibility of using this method to support automatic fault management system. |
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Article |
author |
Mokhlis, Hazlie Li, H.Y. |
author_facet |
Mokhlis, Hazlie Li, H.Y. |
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Mokhlis, Hazlie |
title |
Non-linear representation of voltage sag profiles for fault location in distribution networks |
title_short |
Non-linear representation of voltage sag profiles for fault location in distribution networks |
title_full |
Non-linear representation of voltage sag profiles for fault location in distribution networks |
title_fullStr |
Non-linear representation of voltage sag profiles for fault location in distribution networks |
title_full_unstemmed |
Non-linear representation of voltage sag profiles for fault location in distribution networks |
title_sort |
non-linear representation of voltage sag profiles for fault location in distribution networks |
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International Journal of Electrical Power & Energy Systems |
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2011 |
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http://eprints.um.edu.my/7886/ http://ac.els-cdn.com/S0142061510001249/1-s2.0-S0142061510001249-main.pdf?_tid=17190da6-a7d6-11e2-8f6d-00000aacb35f&acdnat=1366255052_593c0a298a93ae6fd8ef7f1a9b74117d |
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