Evaluation of synchronization capability in line start permanent magnet synchronous motors

Synchronization capability of line start permanent magnet synchronous (LSPMS) motors is a key factor in design and optimization of these motors. This paper presents a simple analytical method for finding critical slip in synchronization assessment of LSPMS motors. Appropriate approximations are employed in the method resulting in significant simplification of the method with reasonable accuracy. The proposed method is time efficient and can be easily included in iterative design procedures. Accuracy of the proposed method is evaluated by dynamic analysis of two different motors. Also, the experimental results are presented to support the analytical and simulation results.

[1]  Sadegh Vaez-Zadeh,et al.  Effects of Magnetizing Inductance on Start-Up and Synchronization of Line-Start Permanent-Magnet Synchronous Motors , 2011, IEEE Transactions on Magnetics.

[2]  Jacek F. Gieras,et al.  Permanent Magnet Motor Technology: Design and Applications, Second Edition, , 2002 .

[3]  V. Honsinger.  Permanent Magnet Machines: Asychronous Operation , 1980, IEEE Transactions on Power Apparatus and Systems.

[4]  T. Miller.  Synchronization of Line-Start Permanent-Magnet AC Motors , 1984, IEEE Transactions on Power Apparatus and Systems.

[5]  Sadegh Vaez-Zadeh,et al.  Line start permanent magnet synchronous motors: Challenges and opportunities , 2009 .

[6]  Jacek F. Gieras,et al.  Permanent magnet motor technology : design and applications , 1996 .

[7]  Hans-Peter Nee,et al.  Study of the synchronization of line-start permanent magnet synchronous motors , 2000, Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129).

[8]  F. M. Abdel-Kader,et al.  Performance analysis of permanent magnet synchronous motors. I. Dynamic performance , 1990 .

[9]  T. S. Radwan,et al.  SYNCHRONIZATION PROCESS OF LINE-START PERMANENT MAGNET SYNCHRONOUS MOTORS , 1997 .

[10]  Alexander C. Smith,et al.  Line-Start Permanent-Magnet Machines Using a Canned Rotor , 2009 .

[11]  S.M. Osheba,et al.  Performance and Analysis of Permanent Magnet synchronous Motors Part II: Operation from Variable Source and Transient Characteristics , 1991, IEEE Power Engineering Review.