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Content Provider | IET Digital Library |
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Author | Shi, Shenxing Lei, Aoyu He, Xin Mirsaeidi, Sohrab Dong, Xinzhou |
Abstract | Fault location in distribution systems is difficult for multiple discontinuities, such as branch and junction points on feeders. This paper proposes a scheme for fault location in distribution systems using network topology information and circuit breaker reclosure-generating travelling waves. Based on the topology information, the circuit breaker closure-generating travelling waves can be got through analysis. When a permanent fault occurs, the circuit breaker reclosure-generating travelling waves contain the information on fault position. In this paper, the difference between the pre-fault travelling waves and post-fault travelling waves induced by the breaker reclosing in a feeder, defined as reclosing superimposed travelling waves, is calculated. For the reclosing superimposed travelling waves, the initial travelling wave reflects the fault distance. Subsequently, wavelet transform is applied to extract the travelling wave reflected from the fault point. Finally, the time difference between the reclosing instant and the arrival instant of the reflected travelling wave is employed to calculate the fault distance. In order to verify the effectiveness of the proposed scheme, several simulations were carried out using ATP-EMTP software. The simulation results indicated that the proposed scheme can be effective in fault location for distributed feeders, regardless of grounding system type. |
Starting Page | 1326 |
Ending Page | 1329 |
Page Count | 4 |
Volume Number | 2018 |
e-ISSN | 20513305 |
Issue Number | Issue 15, Oct (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/15 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0161 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-07-18 |
Access Restriction | Open |
Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
Subject Keyword | Breaker Reclosing Circuit Breaker Circuit Breaker Closure-generating Travelling Waves Distributed Feeder Distribution Network Distribution System EMTP Fault Distance Fault Location Fault Point Fault Position Feeder Automation System Feeder Topology Initial Travelling Wave Integral Transforms Network Topology Information Permanent Fault Post-fault Travelling Wave Power Distribution Fault Power Distribution Network Power Engineering Computing Power Overhead Line Power System Protection Power Transmission Fault Power Transmission Line Pre-fault Travelling Wave Reclosing Superimposed Travelling Wave Reflected Travelling Wave Travelling Wave-based Fault Location Scheme Underground Cables Wavelet Transform |
Content Type | Text |
Resource Type | Article |
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