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...

无差拍空间矢量调制直接转矩控制简化设计

, PP. 95-101

Keywords: 无差拍,直接转矩控制,一元二次方程,动态响应,开关频率,理论和试验

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出一种对无差拍空间矢量调制直接转矩控制的简化结构,主要通过预先选取定子静止两相坐标系下参考电压矢量,并实时计算该电压矢量减小转矩误差所需的脉宽。该结构较之于原有系统,避免了特殊情况下多次逻辑判断和反复求解一元二次方程以确立定子参考电压矢量的弊端,控制过程得到极大简化,结构更为简单、动态响应更为迅速。与传统开关表直接转矩控制相比,开关利用率得以提高,实现了对转矩的精确控制。理论和实验结果表明,采用所提出的控制方法,控制性能得到较大提高。

References

[1]  Depenbrock M. Direkte selbstregelung (DSR) fur hochdynamische drehfeldantriebe mit umrichters- peisung[J]. ETZ Archiv, 1985, 7(7): 211-218.
[2]  尚敬, 刘可安, 冯江华, 等.牵引电动机无速度传感器及带速度重投控制[J]. 中国电机工程学报, 2006, 26(15): 118-123.
[3]  Shang Jing, Liu Kean, Feng Jianghua, et al.Speed sensorless control and restarting at unknown speed of traction motor[J]. Proceedings of the CSEE, 2006, 26(15): 118-123.
[4]  Kim Jang Hwan, Choi JongWoo, Sul Seung Ki, et al. Novel rotor-flux observer using observer characteristic function in complex vector space for field-oriented induction motor drives[J]. IEEE Transactions on Industry Applications, 2002, 38(5): 1334-1343.
[5]  Casadei D, Profumo F, Tani A. FOC and DTC: two viable schemes for induction motors torque control[J]. IEEE Transactions on Power Electronics, 2002, 17(5): 779-787.
[6]  Casadei D, Serra G, Tani A. Implementation of a direct torque control algorithm for induction motors based on discrete space vector modulation[J]. IEEE Transactions on Power Electronics, 2000, 15(4): 769- 777.
[7]  Griva G, Habetler T G, Profumo F, et al. Performance evaluation of a direct torque controlled drive in the continuous PWM-square wave transition region[J]. IEEE Transactions on Power Electronics, 1995, 10(4): 464-471.
[8]  Toshihiko Noguch, Seiji Kondo, Isao Takahashi, et al. A new quick-response and high-efficiency control strategy of induction motor[J]. IEEE Transactions on Industry Application, 1986, 22(5): 820-827.
[9]  李夙.异步电动机直接转矩控制[M]. 北京:机械工业出版社, 1994.
[10]  Andreas Steimel. Direct self-control and synchronous pulse techniques for high-power traction inverters in comparison[J]. IEEE Transactions on Indusitrial Electronics, 2004, 51(4): 810-820.
[11]  Hableter T G, Profumo F, Pastorelli M, et al.Direct torque control of induction machines using space vector modulation[J]. IEEE Transactions on Industrial Application, 1992, 28(5): 1045-1053.
[12]  Griva G, Habetler T G, Profumo F, et al. Performance evaluation of a direct torque controlled drive in the continuous PWM-square wave transition region[J]. IEEE Transactions on Power Electronics, 1995, 10(4): 464-471.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133