Feasibility Study and Harmonic Analysis of Fractional-Slot Distributed Winding in Brushless Doubly Fed Machines

Heidary, Malihe, Abdi Jalebi, Salman, Abdi, Ehsan and McMahon, Richard (2025) Feasibility Study and Harmonic Analysis of Fractional-Slot Distributed Winding in Brushless Doubly Fed Machines. In: 34th International Symposium on Industrial Electronics (ISIE). The Institute of Electrical and Electronics Engineers (IEEE), CAN. ISBN 979-8-3503-7480-3

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Abstract

Fractional-slot distributed winding (FSDW) is widely used in electrical machines due to its shorter end windings and greater design flexibility. This paper investigates the feasibility and impact of applying a FSDW configuration in a frame size D160 Brushless Doubly Fed Machine (BDFM). First, the feasibility of implementing the FSDW in the studied BDFM is evaluated through an analytical assessment of the direct magnetic coupling potential between the stator windings. The analytical results are then validated by the finite element (FE) model. Then, a comparative harmonic analysis is performed by simulating a 48-slot BDFM with integral-slot distributed windings (ISDWs) as the reference, using the same dimensions and rotor structure as the 36-slot BDFM. The FE simulation results for the 36 -slot BDFM with FSDW are further validated by experimental measurements. The results demonstrate that the FSDW configuration introduces no additional harmonics, and decreases total harmonic distortion (THD) by approximately 4 %.

Item Type:	Book Section
Faculty \ School:	Faculty of Science > School of Engineering, Mathematics and Physics
UEA Research Groups:	Faculty of Science > Research Groups > Sustainable Energy
Related URLs:	https://iten.ieee-ies.org/externalrssfee...
Depositing User:	LivePure Connector
Date Deposited:	16 Sep 2025 13:30
Last Modified:	16 Sep 2025 13:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/100411
DOI:	isbn:979-8-3503-7480-3

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