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Dashti R, Salehizadeh S M. Fault Location in Double Circuit MV Power Distribution Networks Using an Impedance Based Method. Journal of Iranian Association of Electrical and Electronics Engineers. 2017; 14 (1) :11-17
URL: http://jiaeee.com/article-1-324-en.html
Abstract:   (3877 Views)

Power distribution feeders contains many laterals, sub-laterals, different number of circuit line, load taps, balanced and unbalanced load, different type of lines (cable or overhead), different cross-sections and numerous distribution transformers with different capacities. Moreover, the voltage and current are measured only at the beginning of the feeder. Thus, fault location is very complex. Because of lack of public electrical MV line corridors and load increasing cause to increase the double circuit lines. Consequently, locating faults in a double circuit line need to special fault-location algorithms. In this article a new method for fault location in double circuited MV power distribution lines is proposed. In this method the impedance based method is improved for locating fault in double circuit distribution networks using the precise line model. This method is tested in a 13 bus IEEE network in different conditions such as various fault resistances and different fault start angles in various distances. The results from the Matlab’s simulation show high accuracy and validity of the proposed method.

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Type of Article: Research | Subject: Power
Received: 2017/06/14 | Accepted: 2017/06/14 | Published: 2017/06/14

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