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Enhancing Physical Resolution of Constructed Ladder Network for an Interleaved Winding

Pramanik, Saurav and Satish, L (2013) Enhancing Physical Resolution of Constructed Ladder Network for an Interleaved Winding. In: IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems (IEEE CATCON), DEC 06-08, 2013, Jadavpur Univ, Elect Engn Dept, High Tens Lab, Kolkata, INDIA, pp. 60-65.

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Official URL: http://dx.doi.org/10.1109/CATCON.2013.6737474


The number of detectable natural frequencies in a frequency response governs the number of sections of the ladder network that can be constructed, starting from the measured frequency response data. This number, particularly in case of interleaved windings, is woefully small rendering the entire exercise pointless. An attempt is described wherein this physical resolution can be enhanced. This is achieved by augmenting the measured driving-point admittance data (of the interleaved winding) with information regarding natural frequencies that are observable, and hence extractable, from an additional measurement of the open-circuited neutral-end voltage spectrum. By this process, a few more additional natural frequencies become available for processing, resulting in a ladder network with an increased physical resolution, i.e., more number of sections. Measurements done on an actual interleaved winding are presented to demonstrate feasibility of the proposed method.

Item Type: Conference Proceedings
Publisher: IEEE
Additional Information: Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Keywords: Interleaved winding; natural frequency; ladder network; frequency response; rational function
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 25 Aug 2016 10:32
Last Modified: 25 Aug 2016 10:32
URI: http://eprints.iisc.ac.in/id/eprint/54307

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