硅钢涂层绝缘性能对电机定子涡流损耗的影响
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摘要
永磁同步电机中定子铁芯损耗分析是电机设计的关键,在Opera软件建立的500W交流永磁同步电机模型上,引入涡流损耗模型,计算层间电阻对电机定子铁芯损耗的影响。结果表明:层间电阻通过改变涡流损耗来影响定子铁芯损耗,当层间电阻在50Ω·mm~2以上时,定子铁芯损耗基本维持不变;当层间电阻小于0.01Ω·mm~2时,定子损耗最大;当层间电阻从300Ω·mm~2降低到50Ω·mm~2和0.01Ω·mm~2时,定子铁芯损耗分别升高0.22%和19.70%。
The stator core loss analysis in motor design of permanent magnet synchronous motor(PMSM)is critical.The eddy loss model is introduced to calculate the influence of coating insulation resistance on the stator core loss,based on a 500 W AC PMSM model established by Opera software.The results showed that the coating insulation resistance affects the stator core loss by changing the eddy current loss,when the coating insulation resistance is above 50Ω·mm~2,the stator core loss is basically maintained.When the coating insulation resistance is less than0.01Ω·mm~2,the stator core loss is largest.The stator core loss increased by 0.22% when the coating insulation resistance is reduced from 300Ω·mm~2 to 50Ω·mm~2.The stator core loss increased by 19.70% when the coating insulation resistance is reduced from 300Ω·mm~2 to 0.01Ω·mm~2.
The stator core loss analysis in motor design of permanent magnet synchronous motor(PMSM)is critical.The eddy loss model is introduced to calculate the influence of coating insulation resistance on the stator core loss,based on a 500 W AC PMSM model established by Opera software.The results showed that the coating insulation resistance affects the stator core loss by changing the eddy current loss,when the coating insulation resistance is above 50Ω·mm~2,the stator core loss is basically maintained.When the coating insulation resistance is less than0.01Ω·mm~2,the stator core loss is largest.The stator core loss increased by 0.22% when the coating insulation resistance is reduced from 300Ω·mm~2 to 50Ω·mm~2.The stator core loss increased by 19.70% when the coating insulation resistance is reduced from 300Ω·mm~2 to 0.01Ω·mm~2.
引文
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[3]高振宇,陈春梅,胡洪旭,等.一次冷轧法生产高牌号硅钢组织织构演变行为分析[J].金属功能材料,2017,24(4):44.
[4]康士臣.高硅硅钢片喷射成形技术的研究[J].粉末冶金工业,2009,19(5):30.
[5]王立涛,郑磊,施立发,等.高牌号无取向硅钢材料热变形特性研究[J].金属功能材料,2017,24(3):61.
[6]骆忠汉,汪汝武,曾春,等.平整轧制量对6.5%Si硅钢薄带组织和织构及磁性能的影响[J].金属功能材料,2015,22(1):6.
[7]罗阳.d-HDDR各向异性NdFeB磁粉及其磁体在电机上的应用[J].粉末冶金工业,2005,15(5):32.
[8]郭伟,张承宁.车用永磁同步电机的铁耗与瞬态温升分析[J].2009,13(1):83.
[9]张涵.车用永磁同步电机的铁耗计算[D].上海:上海交通大学,2014.
[10]曹翼.高速永磁同步电机的电磁性能分析和计算[J].电气工程学报,2015,10(10):75.
[11]高鹏飞,房建成,韩邦成,等.高速永磁电机的转子涡流损耗分析[J].微电机,2013,46(5):5.
[12]高振宇,陈春梅,李亚东,等.退火温度对高牌号薄规格硅钢组织和织构及磁性能的影响[J].金属功能材料,2015,22(1):27.
[13]夏雪兰,王立涛,裴英豪,等.环境温度对高牌号无取向硅钢力学性能的影响[J].金属功能材料,2017,24(4):50.
[14]王立涛,施立发,朱国辉,等.硅钢热处理过程涂层中铬的转化试验研究[J].金属功能材料,2017,24(3):39.
[15]裴英豪,夏雪兰,王立涛.无取向硅钢对永磁同步电机性能影响研究[C].第十四届中国电工钢学术年会论文集,2017.
[16]张爱.关于铁心中涡流损耗的讨论[J].固原师专学报(自然科学),2004,25(6):60.
[17]王建设,邹海荣.基于有限元法永磁同步电机建模与分析[J].电力学报,2016,31(3):211.
[18]Jansen P L,Lorenz R D.Transducer less position and velocity estimation in induction and salient AC machines[C].Industry Applications Society Annual Meeting,1994.
[19]Wang L M,Lorenz R D.Rotor position estimation for permanent magnet synchronous motor using saliency-tracking self sensing method[C].IEEE-IAS 2000Annual Meeting,Rome,Italy,2000.