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MTL-Based Analysis to Distinguish High-Frequency Behavior of Interleaved Windings in Power Transformers

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Title MTL-Based Analysis to Distinguish High-Frequency Behavior of Interleaved Windings in Power Transformers
 
Creator KANE, MM
KULKARNI, SV
 
Subject Multiconductor transmission lines
resonances
transformer windings
TRANSMISSION-LINE MODEL
TRANSIENTS
 
Description An elaborate method to analyze the high-frequency behavior of transformer windings by means of the multiconductor transmission line (MTL) method is presented. A procedure for the evaluation of per-unit length parameters for transformer windings (TWs) is enumerated, which is not available in existing literature on the subject. A full-length detailed solution of the MTL method for TW is also demonstrated. A comparison of this method with the conventional circuit approach is illustrated wherever necessary. The analysis of two types of commonly used interleaved windings is performed in this paper. It is also inferred from experimental results that a conventional low-voltage impulse test is insufficient to make a distinction between the two windings. As far as inter-winding oscillations at high-frequency excitations are concerned, it also proved by the MTL analysis that one type is better than the other.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2014-10-16T07:01:41Z
2014-10-16T07:01:41Z
2013
 
Type Article
 
Identifier IEEE TRANSACTIONS ON POWER DELIVERY, 28(4)2291-2299
0885-8977
1937-4208
http://dx.doi.org/10.1109/TPWRD.2013.2268982
http://dspace.library.iitb.ac.in/jspui/handle/100/15500
 
Language en