Cross Entropy-Based High-Impedance Fault Detection Algorithm for Distribution Networks

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Nezamzadeh Ejieh Shiva; SADEGHKHANI IMAN

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Journal: IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP) Year:2019 | Volume:8 | Issue:1 (15) Page(s): 62-71

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Title

Cross Entropy-Based High-Impedance Fault Detection Algorithm for Distribution Networks

Author(s)

Nezamzadeh Ejieh Shiva | SADEGHKHANI IMAN | Issue Writer Certificate

Keywords

High-impedance faultQ1

distribution networkQ1

cross entropyQ1

protectionQ2

Abstract

The low fault current of High-impedance faults (HIFs) is one of the main challenges for the protection of distribution networks. The inability of conventional overcurrent relays in detecting these faults results in electric arc continuity that it causes the fire hazard and electric shock and poses a serious threat to human life and network equipment. This paper presents an HIF detection algorithm based on quantifying the nonlinear and asymmetry features of HIF waveforms. To this end, first, the substation current is sampled and then, the superimposed component of cross entropy signal calculated by comparing two subsequent half cycles of the current signal is determined as the HIF detection criteria. On the other hand, to overcome the challenge of the similar transient of device switching and HIF, the time duration of transient continuity is considered as the constraint of the proposed algorithm. The proposed scheme satisfactory works in the presence of nonlinear loads and does not need for training dataset, transformations, and calculation of harmonic and symmetrical components. The effectiveness of the proposed HIF detection algorithm is demonstrated using the time-domain simulation of IEEE 13 node test system.

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APA: Copy

Nezamzadeh Ejieh, Shiva, & SADEGHKHANI, IMAN. (2019). Cross Entropy-Based High-Impedance Fault Detection Algorithm for Distribution Networks. IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP), 8(1 (15) ), 62-71. SID. https://sid.ir/paper/226214/en

Vancouver: Copy

Nezamzadeh Ejieh Shiva, SADEGHKHANI IMAN. Cross Entropy-Based High-Impedance Fault Detection Algorithm for Distribution Networks. IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP)[Internet]. 2019;8(1 (15) ):62-71. Available from: https://sid.ir/paper/226214/en

IEEE: Copy

Shiva Nezamzadeh Ejieh, and IMAN SADEGHKHANI, “Cross Entropy-Based High-Impedance Fault Detection Algorithm for Distribution Networks,” IRANIAN ELECTRIC INDUSTRY JOURNAL OF QUALITY AND PRODUCTIVITY (IEIJQP), vol. 8, no. 1 (15) , pp. 62–71, 2019, [Online]. Available: https://sid.ir/paper/226214/en

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