Differential Leakage Factor in Electrical Machines Equipped with Asymmetrical Multiphase Windings: a General Investigation

This paper presents an investigation in terms of degree of unbalance and leakage factor of electrical machines equipped with multiphase windings. The analysis has been carried out through 4800 combinations between slots/poles/phases/layers, analyzing the variability of the leakage factor for each condition and determining the optimal region for its minimization. The obtained results demonstrate that the leakage factor could be considerably reduced with the adoption of slightly asymmetrical windings, which represent a favorable option during the early design stage of electrical machines.

[1]  M. Aydin,et al.  A Novel Dual Three-Phase Permanent Magnet Synchronous Motor With Asymmetric Stator Winding , 2016, IEEE Transactions on Magnetics.

[2]  Rosario Miceli,et al.  Computer-aided analysis and design procedure for rotating induction machine magnetic circuits and windings , 2018 .

[3]  A. W. Kron,et al.  Beitrag zur praktischen Berechnung des Koeffizienten der doppeltverketteten Streuung , 1953 .

[4]  R. Miceli,et al.  Finite-element performance comparison of IPMSMs with unsymmetrical double-layer windings , 2017, 2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER).

[5]  Rosario Miceli,et al.  Technical and Economical Evaluation on the Use of Reconfiguration Systems in Some EU Countries for PV Plants , 2017, IEEE Transactions on Industry Applications.

[6]  L. M. Melcescu,et al.  Induction motors with changeable pole windings in the ratio 1:4 , 2011, International Aegean Conference on Electrical Machines and Power Electronics and Electromotion, Joint Conference.

[7]  Bernd Ponick,et al.  Berechnung elektrischer Maschinen , 2007 .

[8]  Rosario Miceli,et al.  Replacement of Vehicle Fleet with EVs Using PV Energy , 2015 .

[9]  Federico Barrero,et al.  Recent Advances in the Design, Modeling, and Control of Multiphase Machines—Part II , 2016, IEEE Transactions on Industrial Electronics.

[10]  M. Aydin,et al.  A Novel Asymmetric and Unconventional Stator Winding Configuration and Placement for a Dual Three-Phase Surface PM Motor , 2017, IEEE Transactions on Magnetics.

[11]  Rosario Miceli,et al.  An Exact Method for the Determination of Differential Leakage Factors in Electrical Machines With Non-Symmetrical Windings , 2016, IEEE Transactions on Magnetics.

[12]  M. Sokol,et al.  Advanced numeric tooth winding analyses , 2012, Proceedings of 15th International Conference MECHATRONIKA.

[13]  B. Cosan,et al.  ANALYSIS AND DESIGN CRITERIA FOR FRACTIONAL UNBALANCED WINDINGS OF THREE-PHASE MOTORS , 2005 .

[14]  Hu Minqiang,et al.  A novel exact and universal approach for calculating the differential leakage related to harmonic waves in AC electric motors , 2004 .

[15]  Rosario Miceli,et al.  Piezoelectric model of rainfall energy harvester , 2014, 2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER).

[16]  Shuangxia Niu,et al.  A Novel Multiphase Brushless Power-Split Transmission System for Wind Power Generation , 2016, IEEE Transactions on Magnetics.

[17]  Fabrizio Marignetti,et al.  A General Mathematical Formulation for Winding Layout Arrangement of Electrical Machines , 2018 .

[18]  Mohamed Seghir Boucherit,et al.  New approach for the modeling of induction machines operating under unbalanced power system , 2016 .

[19]  Rosario Miceli,et al.  A General Mathematical Formulation for the Determination of Differential Leakage Factors in Electrical Machines With Symmetrical and Asymmetrical Full or Dead-Coil Multiphase Windings , 2018, IEEE Transactions on Industry Applications.

[20]  Fabio Viola,et al.  Comparison Among Different Rainfall Energy Harvesting Structures , 2018, Applied Sciences.

[21]  Mihail V. Cistelecan,et al.  A new 4/6 pole-changing double layer winding for three phase electrical machines , 2010, The XIX International Conference on Electrical Machines - ICEM 2010.

[22]  Federico Barrero,et al.  Recent Advances in the Design, Modeling, and Control of Multiphase Machines—Part I , 2016, IEEE Transactions on Industrial Electronics.

[23]  Rosario Miceli,et al.  The use of slightly asymmetrical windings for rotating electrical machines , 2018 .

[24]  Rosario Miceli,et al.  A Novel Computational Approach for Harmonic Mitigation in PV Systems with Single-Phase Five-Level CHBMI , 2018, Energies.