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Analysis of Transient Actions Influence in Power Transformer

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Author(s): Josef Jurcik | Miroslav Gutten | Daniel Korenciak

Journal: Advances in Electrical and Electronic Engineering
ISSN 1804-3119

Volume: 9;
Issue: 2;
Start page: 65;
Date: 2011;
Original page

Keywords: Short-circuit | coil | transformer | winding | axial forces | radial forces | SFRA method.

ABSTRACT
This article is focused on the theory of unacceptable effect on transformer winding, mainly the overvoltages and the mechanical forces. In the next part of the article is described the measurement of selfdischarging voltage frequency dependence on transformer. The second measurement shows one of the possible type of SFRA method. The measurement results lead us only to the conclusion that some changes of the winding condition have occurred.
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