期刊文献+

牵引电机矢量控制转子磁场准确定向实时校正策略 被引量:24

Accurate Rotor Flux Orientation Real-Time Correction Strategy for Vector Control of Traction Motors
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摘要 磁场准确定向是异步电机间接磁场定向控制技术实现转矩和励磁独立解耦控制的关键,磁场准确定向对电机转子时间常数具有很强的敏感性。文中对转子磁场定向不准引起的电机励磁和定子电压控制问题进行了推导和讨论,分析了改进型带幅值相位补偿的电压模型转子磁链观测器实现机理。本文将其他影响磁场准确定向的因素都归结到转子时间常数中予以考虑,提出了基于观测转子q轴磁链误差的实用化转子磁链准确定向实时校正策略,仿真和实验结果验证了理论分析的正确性和磁场准确定向校正策略的有效性。 Accurate flux orientation is the key for induction motor indirect field oriented control technology to achieve independent and decoupling control of torque and excitation,accurate flux orientation is sensitive to motor rotor time constant.In this paper,motor excitation and stator voltage control problem affected by misalignment of rotor flux orientation are derived and discussed;the improved rotor flux observer with amplitude and phase compensation based on voltage model is analyzed.In this paper,the other factors which affect accurate flux orientation are attributed to the rotor time constant,and then rotor flux accurate orientation real-time correction strategy based on q-axis flux error is proposed.Simulation and experimental results verify that theoretical analysis is correct and accurate field orientation correction strategy is effective.
出处 《电工技术学报》 EI CSCD 北大核心 2011年第9期116-123,共8页 Transactions of China Electrotechnical Society
关键词 磁场准确定向 转子时间常数 前馈解耦 改进磁链观测器 q轴磁链误差 Magnetic field accurate orientation rotor time constant feed-forward decouple improved flux observer q-axis flux error
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参考文献13

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二级参考文献41

  • 1苏位峰,孙旭东,李发海.基于ESO的异步电机无速度传感器矢量控制[J].清华大学学报(自然科学版),2005,45(4):565-568. 被引量:9
  • 2王毅,马洪飞,赵凯岐,徐殿国,苗立杰,梁维燕,刘彤彦,马冲慧.电动车用感应电机磁场定向矢量控制研究[J].中国电机工程学报,2005,25(11):113-117. 被引量:30
  • 3陆海峰,瞿文龙,张磊,陈伟.一种基于无功功率的异步电机矢量控制转子磁场准确定向方法[J].中国电机工程学报,2005,25(16):116-120. 被引量:36
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  • 9Rowan T M, Kerkman R J, Leggate D. A simple on-line adaption for indirect field orientation of an induction machine[J]. IEEE Trans. on Industry Applications, 1991, 27(4): 720-727.
  • 10Yu Xing, Dunnigan M W, Williams B W. A novel rotor resistance identification method for an indirect rotor flux-oriented controlled induction machine system[J]. IEEE Trans. on Power Electronics, 2002, 17(3): 353-364.

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