Designing of a New Transformer Ground Differential Relay Based on Probabilistic Neural Network

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EBADI ALI; HOSSEINI SEYYED MEHDI; ABDOOS ALI AKBAR

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Journal Paper

Paper Information

Journal: JOURNAL OF ENERGY MANAGEMENT Year:2020 | Volume:9 | Issue:4 Page(s): 2-13

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Title

Designing of a New Transformer Ground Differential Relay Based on Probabilistic Neural Network

Author(s)

EBADI ALI | HOSSEINI SEYYED MEHDI | ABDOOS ALI AKBAR | Issue Writer Certificate

Keywords

Transformer Ground DifferentialQ1

Power TransformerQ1

CT SaturationQ1

Probabilistic Neural NetworkQ1

Abstract

Low-impedance Transformer Ground Differential relay is a part of Power Transformer protection system that is employed for detecting the internal earth faults. This is a fast and sensitive relay, but during some external faults and inrush current conditions, may be exposed to maloperation due to current transformer (CT) saturation. In this paper, a new intelligent Transformer Ground Differential relay based on Probabilistic Neural Network (PNN) is presented. To do so, a real Power Transformer is simulated under a large number of different operating conditions including internal fault, external fault and inrush current by using PSCAD/EMTDC software. Then, one cycle data of differential current obtained from each simulation case of mentioned operation conditions is used to provide exemplar patterns and the Probabilistic Neural Network is trained using them. Finally, the trained network is employed as a detection core of the new relay. A comparative evaluation proves the absolute superiority of the proposed method in comparison with some other methods from viewpoint of immunity against maloperation.

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APA: Copy

EBADI, ALI, HOSSEINI, SEYYED MEHDI, & ABDOOS, ALI AKBAR. (2020). Designing of a New Transformer Ground Differential Relay Based on Probabilistic Neural Network. JOURNAL OF ENERGY MANAGEMENT, 9(4 ), 2-13. SID. https://sid.ir/paper/378219/en

Vancouver: Copy

EBADI ALI, HOSSEINI SEYYED MEHDI, ABDOOS ALI AKBAR. Designing of a New Transformer Ground Differential Relay Based on Probabilistic Neural Network. JOURNAL OF ENERGY MANAGEMENT[Internet]. 2020;9(4 ):2-13. Available from: https://sid.ir/paper/378219/en

IEEE: Copy

ALI EBADI, SEYYED MEHDI HOSSEINI, and ALI AKBAR ABDOOS, “Designing of a New Transformer Ground Differential Relay Based on Probabilistic Neural Network,” JOURNAL OF ENERGY MANAGEMENT, vol. 9, no. 4 , pp. 2–13, 2020, [Online]. Available: https://sid.ir/paper/378219/en

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