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title

Modeling Ferroresonance in Power Transmission System

Credit to Download: 1 | Page Numbers 7 | Abstract Views: 1662
Year: 2011
Present: شفاهي
COI code: ISCEE14_298
Paper Language: English

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Authors Modeling Ferroresonance in Power Transmission System

Jalal Tavalaei - Universiti Technologi Malaysia
Amir Hesam Khavari - Universiti Technologi Malaysia

Abstract:

Ferroresonance phenomenon occurs in electrical circuits which are consisting of magnetizing core, such as in the transmission and distribution network which existing of the transformer; electrical machine or reactors are commonplace. Transformers often operate close to the knee point of magnetizing curve under normal condition. Therefore any sudden change in voltage or current can change the operation point on the magnetizing curve and saturation may result. This phenomenon is reflected in the change of the equivalent nonlinear reactance of the transformer. Now, if the value of the saturated reactance reaches a value such that it causes resonance with the equivalent capacitance of the network, then an over current or over voltage may occur. Transformers, electrical motor, Reactors and Generators are examples of equipment having magnetizing cores. Ferroresonance cause melting the lamination of transformer or electrical machine, so it destroys that equipment. This type of fault can create long time interruption. Possible causes of ferroresonance occurrence: Switching, Fault especially single line to ground or double line to ground, Lightning, Ferranti effect. Although some techniques applied to mitigate ferroresonance on CVTs, Methods to mitigate ferroresonance on Power transformer is almost not studied or reported. This paper is review on ferroresonance occurrence and simulate model of ferroresonance by using ATP.

Keywords:

Ferroresonance, Preisach type hysteresis, Jiles–Atherton model, Damping, Simulation

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COI code: ISCEE14_298

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Tavalaei, Jalal & Amir Hesam Khavari, 2011, Modeling Ferroresonance in Power Transmission System, 14th Iranian Student Conference on Electrical Engineering, كرمانشاه, دانشگاه كرمانشاه, سازمان علمي دانشجويي مهندسي برق كشور, https://www.civilica.com/Paper-ISCEE14-ISCEE14_298.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tavalaei, Jalal & Amir Hesam Khavari, 2011)
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