稀土和铁氧体混用永磁辅助同步磁阻电机

doi:10.19595/j.cnki.1000-6753.tces.210330

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (4071 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract The inherent feature of high efficiency over wide speed range positions permanent-magnet-assisted synchronous reluctance machine (SynRM) as an appealing contender for high-performance variable speed applications. Though the magnets are for assistance only, their characteristics have a significant effect on the machines, e.g., the rare-earth magnet encounters high cost and volatile supply chain issues while the ferrite one faces low energy product and demagnetization problems. This paper proposes a new hybrid PM-assisted SynRM by taking into consideration the effect from the large magnetic characteristic difference between the rare-earth and ferrite magnet materials. The anti-demagnetization capability of the machine can be significantly improved by allocating rare-earth magnets in the barriers adjacent to rotor outer periphery. Comprehensive analysis results have indicated an optimal ratio of slightly above 5% between rare earth and ferrite magnet volumes strikes a balance between the anti-demagnetization capability and the cost per Newton-Meter for such hybrid machine. A hybrid prototype with 5.5% rare-earth magnet volume ratio is designed to compare with its existing conventional counterparts which employ ferrite and rare-earth magnets individually. Both the finite element analysis and experimental results have revealed that all three machines have almost identical performance, but the hybrid machine has evidently enhanced the demagnetization withstanding capability over the ferrite PM-assisted SynRM and significantly reduced the magnet cost over the rare-earth one.

Key words： Permanent-magnet-assisted synchronous reluctance machine demagnetization ferrite magnet rare-earth magnet hybrid effect

Received: 11 March 2021

PACS:

TM352

Fund:Natural Science Foundation of China under the grants of 51837010 and 51690182.

Corresponding Authors: Shen Jian-xin, male, born in 1969, professor, major research interests include topologies, control and applications of permanent magnet machines and drives, and renewable energies. E-mail: J_X_Shen@zju.edu.cn

About author:: Lin Yingqian, male, born in 1994, Ph.D. candidate, major research interests include design of high efficiency and low noise synchronous reluctance machines.E-mail: linyingqian2007@163.com

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Lin Yingqian
	Sun Yi
	Wang Yunchong
	Shen Jianxin

Cite this article:

Lin Yingqian,Sun Yi,Wang Yunchong等. A Hybrid PM-Assisted SynRM with Ferrite and Rare-Earth Magnets[J]. Transactions of China Electrotechnical Society, 2022, 37(5): 1145-1157.

URL:

https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.210330 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I5/1145

[1] Bose B K.Global warming: energy, environmental pollution, and the impact of power electronics[J]. IEEE Industrial Electronics Magazine, 2010, 4(1): 6-17.
[2] Boztas G, Aydogmus O, Caner M, et al.Design, optimisation and implementation of low-voltage synchronous reluctance motor for solar-powered systems[J]. IET Power Electronics, 2019, 12(7): 1679-1685.
[3] Gedıkpinar M.Design and implementation of a self-starting permanent magnet hysteresis synchronous motor for pump applications[J]. IEEE Access, 2019, 7: 186211-186216.
[4] Bottauscio O, Casaro F, Chiampi M, et al.High-speed drag-cup induction motors for turbo-molecular pump applications[J]. IEEE Transactions on Magnetics, 2006, 42(10): 3449-3451.
[5] Miah M S.Fault-tolerant BLDC motor-driven pump for fluids with unknown specific gravity: an experimental approach[J]. IEEE Access, 2020, 8: 30160-30173.
[6] Kim K C, Ahn J S, Won S H, et al.A study on the optimal design of SynRM for the high torque and power factor[J]. IEEE Transactions on Magnetics, 2007, 43(6): 2543-2545.
[7] Xu Xinyuan, Wang Yunchong, Shen Jianxin.Direct torque control-space vector modulation control strategy of synchronous reluctance motor based on maximum torque per-ampere[J]. Transactions of China Electrotechnical Society, 2020, 35(2): 246-254.
[8] Sun Yi, Lin Yingqian, Cai Shun, et al.Active saturation method for rotor magnetic bridges in synchronous reluctance machines[C]//2018 21st International Conference on Electrical Machines and Systems (ICEMS), Hamamatsu, Japan, 2018: 21-26.
[9] Niazi P, Toliyat H A, Goodarzi A.Robust maximum torque per ampere (MTPA) control of PM-assisted SynRM for traction applications[J]. IEEE Transactions on Vehicular Technology, 2007, 56(4): 1538-1545.
[10] Armando E, Guglielmi P, Pellegrino G, et al.Accurate modeling and performance analysis of IPM-PMASR motors[J]. IEEE Transactions on Industry Applications, 2009, 45(1): 123-130.
[11] Wang Jin, Li Yan, Jia Jianguo, et al.Analysis of the influence of back-EMF and saliency ratio on steady-state characteristics of a high efficiency permanent magnet synchronous reluctance motor[J]. Transactions of China Electrotechnical Society, 2020, 35(22): 4688-4698.
[12] Barcaro M, Pradella T, Furlan I.Low-torque ripple design of a ferrite-assisted synchronous reluctance motor[J]. IET Electric Power Applications, 2016, 10(5): 319-329.
[13] Yang Chen, Bai Baodong, Chen Dezhi, et al.Design and analysis of a variable flux permanent magnet assisted synchronous motor[J]. Transactions of China Electrotechnical Society, 2019, 34(3): 489-496.
[14] Guglielmi P, Boazzo B, Armando E, et al.Permanent-magnet minimization in PM-assisted synchronous reluctance motors for wide speed range[J]. IEEE Transactions on Industry Applications, 2012, 49(1): 31-41.
[15] Boldea I, Tutelea L, Pitic C I.PM-assisted reluctance synchronous motor/generator (PM-RSM) for mild hybrid vehicles: electromagnetic design[J]. IEEE Transactions on Industry Applications, 2004, 40(2): 492-498.
[16] Bonthu S S R, Arafat A K M, Choi S. Comparisons of rare-earth and rare-earth-free external rotor permanent magnet assisted synchronous reluctance motors[J]. IEEE Transactions on Industrial Electronics, 2017, 64(12): 9729-9738.
[17] Maroufian S S, Pillay P.Design and analysis of a novel PM-assisted synchronous reluctance machine topology with AlNiCo magnets[J]. IEEE Transactions on Industry Applications, 2019, 55(5): 4733-4742.
[18] Ooi S, Morimoto S, Sanada M, et al.Performance evaluation of a high-power-density PMASynRM with ferrite magnets[J]. IEEE Transactions on Industry Applications, 2013, 49(3): 1308-1315.
[19] Huang H, Hu Y S, Xiao Y, et al.Research of parameters and antidemagnetization of rare-earth-less permanent magnet-assisted synchronous reluctance motor[J]. IEEE Transactions on Magnetics, 2015, 51(11): 1-4.
[20] Morimoto S, Ooi S, Inoue Y, et al.Experimental evaluation of a rare-earth-free PMASynRM with ferrite magnets for automotive applications[J]. IEEE Transactions on Industrial Electronics, 2014, 61(10): 5749-5756.
[21] Obata M, Morimoto S, Sanada M, et al.Performance of PMASynRM with ferrite magnets for EV/HEV applications considering productivity[J]. IEEE Transactions on Industry Applications, 2013, 50(4): 2427-2435.
[22] Zhao Wenliang, Chen Dezhi, Lipo T A, et al.Performance improvement of ferrite-assisted synchronous reluctance machines using asymmetrical rotor configurations[J]. IEEE Transactions on Magnetics, 2015, 51(11): 1-4.
[23] Liu Huaicong, In-Gun Kim, Ye Jun Oh, et al.Design of permanent magnet-assisted synchronous reluctance motor for maximized back-EMF and torque ripple reduction[J]. IEEE Transactions on Magnetics, 2017, 53(6): 1-4.
[24] Cai Haiwei, Guan Bo, Xu Longya.Low-cost ferrite PM-assisted synchronous reluctance machine for electric vehicles[J]. IEEE Transactions on Industrial Electronics, 2014, 61(10): 5741-5748.
[25] Kral C, Sprangers R, Waarma J, et al.Modeling demagnetization effects in permanent magnet synchronous machines[C]//The ⅩⅠⅩ International Conference on Electrical Machines, Rome, Italy, 2010: 1-6.
[26] Kong Yong, Lin Mingyao, Yin Ming, et al.Rotor structure on reducing demagnetization of magnet and torque ripple in a PMa-synRM with ferrite permanent magnet[J]. IEEE Transactions on Magnetics, 2018, 54(11): 1-5.
[27] Zhang Peng, Sizov G Y, Ionel D M, et al.Establishing the relative merits of interior and spoke-type permanent-magnet machines with ferrite or NdFeB through systematic design optimization[J]. IEEE Transactions on Industry Applications, 2015, 51(4): 2940-2948.
[28] Masuko T, Miki I.A novel rotor structure of IPMSM with rare earth and ferrite magnets[C]//2016 19th International Conference on Electrical Machines and Systems (ICEMS), Chiba, Japan, 2016: 1-5.
[29] Yu Dong, Huang Xiaoyan, Zhang Xiaochen, et al.Optimal design of outer rotor interior permanent magnet synchronous machine with hybrid permanent magnet[J]. IEEE Transactions on Applied Super-conductivity, 2019, 29(2): 1-5.
[30] Jeong C L, Kim Y K, Hur J.Optimized design of PMSM with hybrid-type permanent magnet for improving performance and reliability[J]. IEEE Transactions on Industry Applications, 2019, 55(5): 4692-4701.
[31] Ma Qingqing, El-Refaie A, Lequesne B.Low-cost interior permanent magnet machine with multiple magnet types[J]. IEEE Transactions on Industry Applications, 2020, 56(2): 1452-1463.
[32] Du Zhentao S, Lipo T A.Cost-effective high torque density bi-magnet machines utilizing rare earth and ferrite permanent magnets[J]. IEEE Transactions on Energy Conversion, 2020, 35(3): 1577-1584.
[33] Zhang Xiaolong, Qu Ronghai, Chen Hong, et al.Analysis of d- and q-axis inductances and saliency ratios in interior permanent magnet machines with fractional-slot concentrated-windings considering harmonic effects[C]//2013 International Conference on Electrical Machines and Systems (ICEMS), Busan, 2013: 1080-1085.