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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/285

Title: Analysis of sympathetic inrush phenomena in transformers using coupled field-circuit approach
Authors: KUMBHAR, GB
KULKARNI, SV
Keywords: electric power systems
parameter estimation
finite element analysis
power transformers
Issue Date: 2007
Publisher: IEEE
Citation: Proceeding of the IEEE Power Engineering Society General Meeting, Tampa, USA, 24-28 June 2007, 1-6
Abstract: Sympathetic inrush current phenomenon occurs when a transformer is switched on in a power system network containing other transformers which are already energized. In this paper, the phenomenon of sympathetic inrush current is investigated using nonlinear-transient field-circuit coupled finite element formulation. The cases of the transformers connected in parallel and in series have been considered. The results obtained for a 31.5 MVA, three-phase transformer are presented and discussed in detail. This work also includes the investigation of parameters affecting the magnitude and duration of sympathetic inrush phenomenon, such as series resistance, switching-on angle, residual flux density and load conditions. These analyses provide a sound theoretical basis for a thorough understanding of the phenomenon.
URI: 10.1109/PES.2007.386128
http://hdl.handle.net/10054/285
http://dspace.library.iitb.ac.in/xmlui/handle/10054/285
ISBN: 1-4244-1298-6
Appears in Collections:Proceedings papers

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