End Effect Analysis of a Slot-Less Long-Stator Permanent Magnet Linear Synchronous Motor
Abstract
:1. Introduction
2. Magnetic Field Analysis Considering the End Effect
2.1. Structure of the Motor
2.2. Model of End Magnetic Field
2.3. Simulation Verification
3. Influence of the End Effect on the Flux Linkage
4. Influence of the End Effect on the Thrust Ripple
4.1. Thrust Model Considering the End Effect
4.2. Simulation Verification
5. Suppression of the End Effect
5.1. End Effect Suppression by Increasing the End Iron Length
5.2. Experimental Verification
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Symbol | Item | Value |
---|---|---|
hp | Height of the primary iron core | 10 mm |
Height of the winding coil | 4 mm | |
Virtual slot pitch | 40 mm | |
Length of the winding coil | 17 mm | |
L | Length of the secondary iron core | 120 mm |
w | Width of the primary component | 80 mm |
hs | Height of the secondary iron core | 12 mm |
g | Length of the air gap | 0.5 mm |
τ | Pole pitch | 30 mm |
Length of the permanent magnet | 26 mm | |
hm | Height of the permanent magnet | 13 mm |
Np | Number of poles | 4 |
Ns | Number of slots | 3 |
Rated speed of the motor | 0.1 m/s |
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Zhou, Y.; Zong, W.; Tan, Q.; Hu, Z.; Sun, T.; Li, L. End Effect Analysis of a Slot-Less Long-Stator Permanent Magnet Linear Synchronous Motor. Symmetry 2021, 13, 1939. https://doi.org/10.3390/sym13101939
Zhou Y, Zong W, Tan Q, Hu Z, Sun T, Li L. End Effect Analysis of a Slot-Less Long-Stator Permanent Magnet Linear Synchronous Motor. Symmetry. 2021; 13(10):1939. https://doi.org/10.3390/sym13101939
Chicago/Turabian StyleZhou, Yue, Wenjun Zong, Qiang Tan, Zhenjiang Hu, Tao Sun, and Liyi Li. 2021. "End Effect Analysis of a Slot-Less Long-Stator Permanent Magnet Linear Synchronous Motor" Symmetry 13, no. 10: 1939. https://doi.org/10.3390/sym13101939