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| Influence Analysis of High Frequency Pulse Voltage of SiC Inverter on Insulation Safety of Hairpin Winding |
| Ju Xiaowei1, Cheng Yuan1, Yang Mingliang1, Cui Shumei1, Liu Xinhua2 |
1. Department of Electrical Engineering and Automation Harbin Institute of Technology Harbin 150001 China;
2. Research and Technology Center Asia/Pacific Bosch (China) Investment Ltd Shanghai 200335 China |
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Abstract In order to solve the problem of insulation damage caused by high voltage stress of Hairpin winding under high frequency and high dv/dt pulse excitation of SiC inverter, the voltage stress calculation and safety analysis of inter-turn insulation of a permanent magnet synchronous machine with Hairpin winding for electric vehicle are carried out in this paper. Firstly, the single-turn equivalent circuit model of Hairpin winding considering the coupling effect of two conductor sides is proposed, the high-frequency distribution parameters of motor winding are extracted, and the inter-turn voltage calculation model of Hairpin winding is established based on the field-circuit coupling finite element method. Then, the inter-turn insulation voltage stress of the windings driven by the SiC inverter is obtained, and the correctness of the model and analysis method is verified by using the inter-turn voltage test platform. Finally, the influences of inter-turn voltage amplitude, insulation thickness, relative dielectric constant of materials and inter-turn air gap length on the distribution line of air gap electric field are analyzed. Based on the relation between the electric field distribution line of air gap and Paschen curve, a method to judge whether the insulation of winding discharges is presented.
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Received: 14 June 2021
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[1] 王学梅. 宽禁带碳化硅功率器件在电动汽车中的研究与应用[J]. 中国电机工程学报, 2014, 34(3): 371-379.
Wang Xuemei.Researches and applications of wide bandgap SiC power devices in electric vehicles[J]. Proceedings of the CSEE, 2014, 34(3): 371-379.
[2] Yuan Xibo.Opportunities, challenges, and potential solutions in the application of fast-switching SiC power devices and converters[J]. IEEE Transactions on Power Electronics, 2021, 36(4): 3925-3945.
[3] 佟文明, 朱晓锋, 贾建国. 时间谐波对永磁同步电机损耗的影响规律[J]. 电工技术学报, 2015, 30(6): 60-69.
Tong Wenming, Zhu Xiaofeng, Jia Jianguo.Influence law of additional losses induced by time harmonic in permanent magnet synchronous motors[J]. Transa- ctions of China Electrotechnical Society, 2015, 30(6): 60-69.
[4] 段卓琳, 张栋, 范涛. SiC电机驱动系统传导电磁干扰建模及预测[J]. 电工技术学报, 2020, 35(22): 4726-4738.
Duan Zhuolin, Zhang Dong, Fan Tao.Modeling and prediction of electromagnetic interference in SiC motor drive systems[J]. Transactions of China Elec- trotechnical Society, 2020, 35(22): 4726-4738.
[5] Morya A K, Gardner M, Anvari B, et al.Wide bandgap devices in AC electric drives: opportunities and challenges[J]. IEEE Transactions on Trans- portation Electrification, 2019, 5(1): 3-20.
[6] 姚婷婷, 管乐诗, 石恩达, 等. 一种低母线电压尖峰的改进型Y源逆变器及其可靠性分析[J]. 电工技术学报, 2021, 36(增刊1): 1-9.
Yao Tingting, Guan Yueshi, Shi Enda, et al.A low DC-link voltage spike modified Y-source inverter and its reliability evaluation[J]. Transactions of China Electrotechnical Society, 2021, 36(S1): 1-9.
[7] Liu Chuan, Xu Zeyuan, Gerada D, et al.Experimental investigation on oil spray cooling with Hairpin windings[J]. IEEE Transactions on Industrial Elec- tronics, 2020, 67(9): 7343-7353.
[8] Wang Yuanying, Pries J, Zhou Kan, et al.Com- putationally efficient AC resistance model for stator winding with rectangular conductors[J]. IEEE Transactions on Magnetics, 2020, 56(4): 1-9.
[9] Islam M S, Husain I, Ahmed A, et al.Asymmetric bar winding for high-speed traction electric machines[J]. IEEE Transactions on Transportation Electrification, 2020, 6(1): 3-15.
[10] Zhang Jian, Zhang Zhuoran, Xia Yiwen, et al.Thermal analysis and management for doubly salient brushless DC generator with flat wire winding[J]. IEEE Transactions on Energy Conversion, 2020, 35(2): 1110-1119.
[11] Tessarolo A, Ciriani C, lloumi N, et al, Fast com- putation method for stator winding skin-effect additional losses in synchronous machines with open slots and arbitrary rotor geometry[J]. IEEE Transa- ctions on Energy Conversion, 2021, 36(2): 1156-1168.
[12] Ito K, Shibata T, Kawasaki T.Development of high voltage wire for new structure motor in full hybrid vehicle[J]. SAE International Journal of Alternative Powertrains, 2016, 5(2): 272-277.
[13] Seri P, Montanari G C.A voltage threshold in operating condition of PWM inverters and its impact on reliability of insulation systems in electrified transport applications[J]. IEEE Transactions on Transportation Electrification, 2021, 7(1): 69-77.
[14] 洪乃刚, 陶近贤, 杨喜军. 考虑电动机分布电容的变频调速系统建模和分析[J]. 电工技术学报, 2000, 15(2): 66-69.
Hong Naigang, Tao Jinxian, Yang Xijun.Mathe- matics model of induction motor considering distributed capacitance and analysis of speed regu- lating system[J]. Transactions of China Electro- technical Society, 2000, 15(2): 66-69.
[15] Xie Yantan, Zhang Julia, Leonardi F, et al.Voltage stress modeling and measurement for random-wound machine windings driven by inverters[J]. IEEE Transactions on Industry Applications, 2020, 56(4): 3536-3548.
[16] Sousaferreira R, Ferreira A C.Analysis of end- windings influence on the transient voltage distri- bution in machine stator windings by a three-phase model[J]. IEEE Transactions on Energy Conversion, 2020, 36(3): 2110-2119.
[17] Cai William, Wu Xiaogang, Zhou Minghao, et al.Review and development of electric motor systems and electric powertrains for new energy vehicles[J]. Automotive Innovation, 2021, 4(1): 3-22.
[18] Li Wei, Cheng Ming.Investigation of influence of winding structure on reliability of permanent magnet machines[J]. CES Transactions on Electrical Machines and Systems, 2020, 4(2): 87-95.
[19] Bianchi N, Berardi G.Analytical approach to design hairpin windings in high performance electric vehicle motors[C]//2018 IEEE Energy Conversion Congress and Exposition (ECCE), Porland OR, USA, 2018, DOI: 10.1109.ECCE.2018.8558383.
[20] Fritz N, Engelmann G, Stippich A, et al.Toward an in-depth understanding of the commutation processes in a SiC MOSFET switching cell including parasitic elements[J]. IEEE Transactions on Industry Appli- cations, 2020, 56(4): 4089-4101.
[21] Narayanasamy B, Sathyanarayanan A S, Luo F, et al.Reflected wave phenomenon in SiC motor drives: consequences, boundaries, and mitigation[J]. IEEE Transactions on Power Electronics, 2020, 35(10): 10629-10642.
[22] 何杰, 刘钰山, 毕大强, 等. 电压探头对宽禁带器件高频暂态电压精确测量的影响[J]. 电工技术学报, 2021, 36(2): 362-372.
He Jie, Liu Yushan, Bi Daqiang, et al.Impacts of voltage probes for accurate measurement of high- frequency transient voltage of wide-bandgap devices[J]. Transactions of China Electrotechnical Society, 2021, 36(2): 362-372.
[23] 饶显杰, 周凯, 黄永禄, 等. 考虑相速度频变特性的改进相位差算法局部放电定位[J]. 电工技术学报, 2021, 36(20): 4379-4388.
Rao Xianjie, Zhou Kai, Huang Yonglu, et al.Partial discharge location using improved phase difference method considering frequency-dependent characteristic of phase velocity[J]. Transactions of China Electro- technical Society, 2021, 36(20): 4379-4388.
[24] Giangrande P, Madonna V, Nuzzo S, et al.Moving toward a reliability-oriented design approach of low- voltage electrical machines by including insulation thermal aging considerations[J]. IEEE Transactions on Transportation Electrification, 2020, 6(1): 16-27.
[25] 王新新, 杨硕, 付洋洋, 等. 电场分布对帕申曲线的影响[J]. 高电压技术, 2016, 42(12): 3728-3733.
Wang Xinxin, Yang Shuo, Fu Yangyang, et al.Effect of electric field on Paschen’s curves[J]. High Voltage Engineering, 2016, 42(12): 3728-3733.
[26] Pauli F, Kilper M, Driendl N, et al.Modeling of the partial discharge process between the winding and the stator of low voltage machines for traction appli- cations[J]. IEEE Transactions on Energy Conversion, 2021, 36(3): 2310-2318.
[27] Duchesne S, Parent G, Moenecley J, et al.Prediction of PDIV in motor coils using finite element method[C]//Proceedings of IEEE International Conference on Dielectrics (ICD), Montpellier, France, 2016: 638-641.
[28] Daisuke Muto, Makoto Oya, Tsuneo Aoi, et al.A study on partial discharge phenomena of winding wires[J]. Furukawa Review, 2014, 45: 13-21. |
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2021, Vol. 36 
