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Natural Frequencies of 3-Pkase Transformer Windings

Gururaj, BI (1963) Natural Frequencies of 3-Pkase Transformer Windings. In: IEEE Transactions on Power Apparatus and Systems, 82 (66). pp. 318-329.

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Natural frequencies and surge response of the windings of 3-phase transformers have been determined in the past by neglecting the capacitive and inductive couplings between the phase windings. This paper shows that these assumptions are not valid and presents a new method of formulating equivalent networks of 3-phase transformer windings for the various winding connections and terminal conditions. By utilizing these equivalent networks the natural frequencies and surge response of the windings can be determined. Tests made on a model transformer showed good correlation with calculated results.

Item Type: Journal Article
Additional Information: Copyright 1963 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Others
Depositing User: Ms V Mangala
Date Deposited: 23 Feb 2012 09:51
Last Modified: 23 Feb 2012 09:51
URI: http://eprints.iisc.ac.in/id/eprint/43118

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