基于电流斩波控制的开关磁阻电机脉冲宽度调制占空比解析计算法

doi:10.19595/j.cnki.1000-6753.tces.181358

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Abstract In this paper, an analytical calculation method for PWM duty cycle based on current chopping control is proposed. The purpose of this method is to solve the problem of large current ripple under current chopping control of switched reluctance motor drives. Incorporating the principle of current chopping control and the actual control process, the main reason for the large current ripple was analyzed. According to the electromagnetic relationship of the switched reluctance motor, the analytical methods of PWM duty cycle for small inductor region and inductor rise region were proposed respectively. The winding current increased monotonously and finally reached the reference current in the small inductance region, and then remained substantially constant in the inductor rise region by the proposed method. At the same time, an experimental method for determining the inductance value in the small inductor region and the inductor slope of the inductor in rise region was proposed. According to the measurement results, a polynomial fitted curve was performed on the relationship between the inductance slope of the inductor rise region and the winding current. The curve is used to the online calculating of PWM duty cycle. Finally, compared with the traditional current chopping control method, the experimental results show that the proposed method effectively reduces the current ripple and improves the control performance of the motor.

Key words： Switched reluctance motor current chopping control current ripple pulse width modulation (PWM)

Received: 10 August 2018 Published: 18 November 2019

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TM352

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	Tian Dexiang
	Qu Bingni
	Song Jiancheng
	Zhao Yong

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Tian Dexiang,Qu Bingni,Song Jiancheng等. An Analytical Method of PWM Duty Cycle for Switched Reluctance Motors Based on Current Chopping Control[J]. Transactions of China Electrotechnical Society, 2019, 34(21): 4449-4457.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181358 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I21/4449

[1] Ishikawa H, Imai T, Naitoh H.New drive circuit for reducing the switching current ripples in switched reluctance motors[J]. Electrical Engineering in Japan, 2018, 203(2): 806-814.
[2] 顾宇, 邓智泉, 邵杰, 等. 一种导通区间优化的开关磁阻电机无位置传感器起动方法[J]. 电工技术学报, 2017, 32(19): 11-20.
Gu Yu, Deng Zhiquan, Shao Jie, et al.A conducting interval optimized sensorless starting method for switched reluctance motor[J]. Transactions of China Electrotechnical Society, 2017, 32(19): 11-20.
[3] 马霁旻, 王杜, 曲荣海, 等. 基于有取向硅钢的轴向磁通开关磁阻电机准三维解析分析与设计[J]. 电工技术学报, 2018, 33(17): 4069-4077.
Ma Jimin, Wang Du, Qu Ronghai, et al.Quasi- three-dimensional analysis and design of an axial flux switched reluctance motor based on grain oriented silicon steel[J]. Transactions of China Electro- technical Society, 2018, 33(17): 4069-4077.
[4] 曹鑫, 户红艳, 颜宁, 等. 扇区实时优化的开关磁阻电机直接转矩控制方法[J]. 电工技术学报, 2018, 33(19): 4526-4534.
Cao Xin, Hu Hongyan, Yan Ning, et al.Direct torque control of switched reluctance motor with real-time optimization of sectors[J]. Transactions of China Electrotechnical Society, 2018, 33(19): 4526-4534.
[5] 昝小舒, 陈昊. 开关磁阻起动/发电系统起动性能研究[J]. 电工技术学报, 2015, 30(20): 21-30.
Zan Xiaoshu, Chen Hao.Study on the starting performance of switched reluctance starter/generator system[J]. Transactions of China Electrotechnical Society, 2015, 30(20): 21-30.
[6] 马铭遥, 袁克湘, 杨晴晴, 等. 基于电流软斩波的开关磁阻电机分段PWM变占空比控制[J]. 中国电机工程学报, 2018, 38(18): 5582-5589.
Ma Mingyao, Yuan Kexiang, Yang Qingqing, et al.Subsection PWM variable duty cycle control of switched reluctance motor based on current soft chopping[J]. Proceedings of the CSEE, 2018, 38(18): 5582-5589.
[7] 杨光, 杨明发, 赵参. 基于电流斩波的开关磁阻电机转矩脉动减小策略研究[J]. 电气技术, 2016, 17(7): 20-23.
Yang Guang, Yang Mingfa, Zhao Can.Torque ripple reduction of switched reluctance motors based on current chopping control[J]. Electrical Engineering, 2016, 17(7): 20-23.
[8] 袁龙生, 赵朝会, 张迪. 电流斩波控制条件下影响开关磁阻电机转矩脉动的结构因素分析[J]. 电气技术, 2010, 11(11): 13-17.
Yuan Longsheng, Zhao Chaohui, Zhang Di.Analyzing the influencing factors of srm torque ripple on con- dition that current chopping control[J]. Electrical Engineering, 2010, 11(11): 13-17.
[9] Schulz S E, Rahman K M.High-performance digital PI current regulator for EV switched reluctance motor drives[J]. IEEE Transactions on Industry Appli- cations, 2003, 39(4): 1118-1126.
[10] Lin Zhengyu, Reay D, Williams B.High-performance current control for switched reluctance motors based on on-line estimated parameters[J]. IET Electric Power Applications, 2010, 4(1): 67-74.
[11] 郑洪涛, 蒋静坪. 开关磁阻电机高性能转矩控制策略研究[J]. 电工技术学报, 2005, 20(9): 24-28.
Zheng Hongtao, Jiang Jingping.Study on high-grade torque control strategies for switched reluctance motor[J]. Transactions of China Electrotechnical Society, 2005, 20(9): 24-28.
[12] Ye Jin, Malysz P, Emadi A.A fixed-switching- frequency integral sliding mode current controller for switched reluctance motor drives[J]. IEEE Journal of Emerging & Selected Topics in Power Electronics, 2015, 3(2): 381-394.
[13] Mikail R.A fixed switching frequency predictive current control method for switched reluctance machines[J]. IEEE Transactions on Industry Appli- cations, 2014, 50(6): 3717-3726.
[14] Cai Hui, Li Mengqiu, Wang Hui, et al.Torque ripple minimization for switched reluctance motor with predictive current control method[C]//International Conference on Electrical Machines and Systems, Sydney, NSW, Australia, 2017: 1-4.
[15] Peng Fei, Ye Jin, Emadi A.A digital PWM current controller for switched reluctance motor drives[J]. IEEE Transactions on Power Electronics, 2016, 31(10): 7087-7098.
[16] Sahoo S K, Panda S K, Xu J X, et al.Iterative learning-based high-performance current controller for switched reluctance motors[J]. IEEE Transactions on Energy Conversion, 2004, 19(3): 491-498.
[17] Sahoo N C, Xu J X, Panda S K.Low torque ripple control of switched reluctance motors using iterative learning[J]. IEEE Transactions on Energy Conversion, 2002, 16(4): 318-326.
[18] 李红梅, 张志全, 李忠杰. 减小小功率开关磁阻电机转矩脉动的迭代学习控制[J]. 电工技术学报, 2006, 21(10): 67-70.
Li Hongmei, Zhang Zhiquan, Li Zhongjie.Torque ripple reduction of a small power switched reluctance motor based on iterative learning control[J]. Transa- ctions of China Electrotechnical Society, 2006, 21(10): 67-70.
[19] Lai Chunyang, Zheng Yi, Labak A, et al.Investigation and analysis of iterative learning-based current control algorithm for switched reluctance motor appli- cations[C]//IEEE International Conference on Elec- trical Machines, Berlin, Germany, 2014: 796-802.
[20] 朱叶盛, 章国宝, 黄永明. 基于PWM的开关磁阻电机直接瞬时转矩控制[J]. 电工技术学报, 2017, 32(7): 31-39.
Zhu Yesheng, Zhang Guobao, Huang Yongming.PWM-based direct instantaneous torque control of switched reluctance machine[J]. Transactions of China Electrotechnical Society, 2017, 32(7): 31-39.
[21] 贾会永, 宋建成, 曲兵妮, 等. 开关磁阻电动机零压和反压续流方式的研究[J]. 微电机, 2012, 45(11): 1-4.
Jia Huiyong, Song Jiancheng, Qu Bingni, et al.Experimental research on negative-voltage free- wheeling and zero-voltage free wheeling of switched reluctance motor[J]. Micromotors, 2012, 45(11): 1-4.
[22] 胡艳芳, 丁文, 吴路明. 基于场路耦合的轮毂式开关磁阻电机的电磁性能分析[J]. 电工技术学报, 2017, 32(15): 34-41.
Hu Yanfang, Ding Wen, Wu Luming.Analysis of electromagnetic performances on an in-wheel switched reluctance motor based on field-circuit coupling[J]. Transactions of China Electrotechnical Society, 2017, 32(15): 34-41.