全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

一种基于混合型磁链观测器的异步电机直接转矩控制

, PP. 157-163

Keywords: 异步电机,定子磁链观测,混合模型,直接转矩控制,磁链扇区

Full-Text   Cite this paper   Add to My Lib

Abstract:

由于异步电机定子电阻压降的存在,传统6扇区直接转矩控制所选电压矢量在扇区交界处可能失效,通过采用12扇区切换方法有效提高了控制的可靠性。针对电压模型和电流模型定子磁链观测器各自的特点,提出了一种适用于高采样频率的新型电压和电流混合模型观测器,建立了定子磁链观测值与真实值的频率响应方程。在电机参数变化情况下,从频率响应特性和仿真两个方面对比分析了三种磁链观测器的性能。最后通过试验证明了所提出观测器的有效性。

References

[1]  Casadei D, Profumo F, Serra G, et al. FOC and DTC: two viable schemes for induction motors torque control[J]. IEEE Transactions on Power Electronics, 2002, 17(5): 779-787.
[2]  Fodorean D, Djerdir A, Miraoui A, et al. FOC and DTC techniques for controlling a double excited synchronous machine[C]. IEEE International Electric Machines & Drives Conference, 2007: 1258-1263.
[3]  王成元, 夏加宽, 杨俊友, 等. 电机现代控制技术[M]. 北京: 机械工业出版社, 2009.
[4]  Zhou Yangzhong, Hu Yuwen. A novel direct torque control for electrically excited synchronous motor drives with high power factor and low ripples in flux and torque[C]. IEEE Power Electronics Specialists Conference, 2008: 4752-4756.
[5]  任晋旗, 葛琼璇, 马逊, 等. 高速列车异步牵引电机直接磁场定向控制研究[J]. 铁道机车车辆, 2011, 31(2): 82-86. Ren Jinqi, Ge Qiongxuan, Ma Xun, et al. Direct field oriented control of asynchronous traction motor of high speed train[J]. Railway Locomotive & Car, 2011, 31(2): 82-86.
[6]  Mir S, Elbuluk M E, Zinger D S. PI and fuzzy estimators for tuning the stator resistance in direct torque control of induction machines[J]. IEEE Trans- actions on Power Electronics, 1998, 13(2): 279-287.
[7]  廖晓钟, 邵立伟. 直接转矩控制的十二区段控制方法[J]. 中国电机工程学报, 2006, 26(6): 167-173.Liao Xiaozhong, Shao Liwei. The twelve-section control methods of direct torque Control[J]. Procee- dings of the CSEE, 2006, 26(6): 167-173.
[8]  徐艳平, 钟彦儒. 扇区细分和占空比控制相结合的永磁同步电机直接转矩控制[J]. 中国电机工程学报, 2009, 29(3): 102-108.Xu Yanping, Zhong Yanru. Sectors subdivision and duty ratio control combined direct torque control for permanent magnet synchronous motors[J]. Procee- dings of the CSEE, 2006, 29(3): 102-108.
[9]  王斌, 王跃, 郭伟, 等. 基于定子磁链降阶状态观测的永磁同步电机无差拍直接转矩控制系统[J]. 电工技术学报, 2014, 29(3): 160-171, 195.Wang Bin, Wang Yue, Guo Wei, et al. Deadbeat direct torque control of permanent magnet synch- ronous motor based on reduced order stator flux observer[J]. Transactions of China Electrotechnical Society, 2014, 29(3): 160-171, 195.
[10]  张勇军, 王京, 李华德. 基于遗传算法优化的定子磁链扩展卡尔曼估计方法[J]. 电工技术学报, 2009, 24(9): 64-70.Zhang Yongjun, Wang Jing, Li Huade. A method of the stator flux EKF estimation for induction motors based on genetic algorithm optimizing[J]. Transac- tions of China Electrotechnical Society, 2009, 24(9): 64-70.
[11]  Maes J, Melkebeek J A. Speed-sensorless direct torque control of induction motors using an adaptive flux observer[J]. IEEE Transactions on Industry Applica- tions, 2000, 36(3): 778-785.
[12]  史黎明, 王珂, 李耀华. 基于改进磁链观测器的直线异步电动机直接牵引力控制[J]. 电工技术学报, 2008, 23(9): 45-50.Shi Liming, Wang Ke, Li Yaohua. Direct thrust control of linear induction motor based on improved flux observer[J]. Transactions of China Electrotechnical Society, 2008, 23(9): 45-50.
[13]  张兴, 魏冬冬, 杨淑英, 等. 基于DSVM混合磁链模型感应电机直接转矩控制[J]. 电工技术学报, 2010, 25(11): 62-67. Zhang Xing, Wei Dongdong, Yang Shuying, et al. DTC system based on hybrid flux linkage model and discrete space vector modulation[J]. Transactions of China Electrotechnical Society, 2010, 25(11): 62-67.
[14]  Wu X, Tan G, Liu M, et al. Electrically excited synch- ronous motor three-level DTC_SVM control based on novel flux observer[C]. International Conference on Electrical and Control Engineering (ICECE), 2010: 3689-3692.
[15]  Jansen P L, Lorenz R D. A physically insightful approach to the design and accuracy assessment of flux observers for field oriented induction machine drives[J]. IEEE Transactions on Industry Applica- tions, 1994, 30(1): 101-110.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133