Multiobjective Optimization for Arrangement of the Asymmetric-Paths Winding Based on Improved Discrete Particle Swarm Approach

The asymmetric-paths winding is a novel ac winding with a fractional ratio of the number of poles to the number of paths, which is beneficial for the optimized design of machines. Resulting from the numerous combinations of slot-vectors for path windings, the optimized arrangement with a low asymmet...

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Bibliographic Details
Published in:IEEE transactions on energy conversion Vol. 33; no. 3; pp. 1571 - 1578
Main Authors: Guo, Zhongqi, Liang, Yanping, Bian, Xu, Wang, Dongmei
Format: Journal Article
Language:English
Published: New York IEEE 01.09.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
arrangement
asymmetric-paths winding
Asymmetry
Coils (windings)
Design optimization
discrete particle swarm optimization algorithm (DPSO)
Finite element method
fuzzy inference system
Fuzzy logic
Harmonic analysis
Harmonic distortion
Mathematical analysis
Mathematical model
Multi-objective optimization
Multiple objective analysis
Optimization
Particle swarm optimization
Stator windings
Technical services
Vectors (mathematics)
Winding
Windings
ISSN:0885-8969, 1558-0059
Online Access:Get full text
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Summary:The asymmetric-paths winding is a novel ac winding with a fractional ratio of the number of poles to the number of paths, which is beneficial for the optimized design of machines. Resulting from the numerous combinations of slot-vectors for path windings, the optimized arrangement with a low asymmetric degree can hardly be achieved by existing methods. Focusing on the optimization for arrangements of this winding, the mathematical optimization model considering two objectives for the percentage of the electromotive force error and the total harmonic distortion is built. In addition, an improved discrete particle swarm optimization approach is proposed and includes a setting method for the initial positions, a discrete operator with chaotic mutation for the velocity update, and an aggregate strategy combined with fuzzy inference. To validate the proposed approach, a winding design of a hydrogenerator is presented combined with the finite element analysis. The results show that the optimized arrangement presents a low asymmetric degree and harmonic. This approach provides a technical support for the arrangement optimization of an asymmetric-paths winding.
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ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2018.2825293