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Energies 2018, 11(2), 446; https://doi.org/10.3390/en11020446

A General Mathematical Formulation for Winding Layout Arrangement of Electrical Machines

1
Department of Energy, Information Engineering and Mathematical Models (DEIM), University of Palermo, viale delle Scienze, Building nr. 9, 90128 Palermo, Italy
2
Department of Electrical and Information Engineering (DIEI), University of Cassino and South Lazio, via G. Di Biasio, 43, 03043 Cassino, Italy
*
Author to whom correspondence should be addressed.
Received: 24 January 2018 / Revised: 7 February 2018 / Accepted: 12 February 2018 / Published: 17 February 2018
(This article belongs to the Section Energy Fundamentals and Conversion)
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Abstract

Winding design methods have been a subject of research for many years of the past century. Many methods have been developed, each one characterized by some advantages and drawbacks. Nowadays, the star of slots is the most widespread design tool for electrical machine windings. In this context, this paper presents a simple and effective procedure to determine the distribution of the slot EMFs over the phases and of the winding configuration in all possible typologies of electrical machines equipped with symmetrical windings. The result of this procedure gives a Winding Distribution Table (WDT), which can be used to define coils and coil groups connections and also to simply implement winding optimizations techniques, such as zone widening, imbrication, etc. Moreover, this procedure can be easily implemented on a computer in order to perform automated winding designs for rotating electrical machines. Several examples are provided in order to validate the proposed procedure. View Full-Text
Keywords: electrical machines; winding design; symmetrical winding; star of slots electrical machines; winding design; symmetrical winding; star of slots
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Caruso, M.; Di Tommaso, A.O.; Marignetti, F.; Miceli, R.; Ricco Galluzzo, G. A General Mathematical Formulation for Winding Layout Arrangement of Electrical Machines. Energies 2018, 11, 446.

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