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:: Volume 7, Issue 14 (3-2019) ::
ieijqp 2019, 7(14): 11-19 Back to browse issues page
A new simple matching algorithm presentation for fault section estimation in power distribution network
Shahram Javadi , Mohammad Daisy, Rahman Dashti
Abstract:   (308 Views)
Distribution network is a part of power systems’ general structure which is considered as the last chain in energy generation and transmission to the consumers. One of the most important issues in distribution lines is occurrence of a fault; regarding the innate structure of distribution networks and their numerous branches, fault location is of high importance. Impedance methods are the most common way used to locate the fault. This method faces problems such as multi-response properties, not being able to recognize the correct fault section and not being able to provide a single correct response. In the present study, possible fault locations are recognized first using the improved impedance method. Then, its natural frequencies are determined. Since there are more than one possible fault locations, it is necessary to identify the fault section in order to determine the fault location accurately. The fault section and its main location are determined through simulating the fault in each section of possible locations by small steps and through accommodating the determined frequency to the existing natural frequency registered in the original fault voltage form. The aforementioned method was applied in Salim’s 11-node network in which effect of fault inception angles, effect of different resistors and fault type were tested. Accuracy and efficiency of the proposed method has been verified.
Keywords: Distribution Network, Fault Locating, Fault Distance Measurement, Fault Section Estimation
Full-Text [PDF 1362 kb]   (127 Downloads)    
Type of Study: Research |
Received: 2018/03/14 | Accepted: 2018/08/20 | Published: 2019/02/27

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javadi S, daisy M, dashti R. A new simple matching algorithm presentation for fault section estimation in power distribution network. ieijqp. 2019; 7 (14) :11-19
URL: http://ieijqp.ir/article-1-512-en.html

Volume 7, Issue 14 (3-2019) Back to browse issues page
نشریه علمی- پژوهشی کیفیت و بهره وری صنعت برق ایران Iranian Electric Industry Journal of Quality and Productivity
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