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| Time-Delay Compensation About AC Drive Vector Control System |
| Sun Danan, Diao Lijun, Liu Zhigang |
| Beijing Jiaotong University Beijing 100044 China |
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Abstract The existence of time-delay constrains the performance of vector controlled inverters, particularly has a deep influence on high power and low switching AC drive converters, which may result system instability when motor is running in middle or high speed. The relationship between time delay and system stability is analysised. A new time delay compensation algorithm based on q-axis current error is proposed, which overcome the limitations of traditional compensation system, and which is realized simply. At the same time, this compensation algorithm eliminate current oscillation and motor unstable speed swing in middle-high speed. At last, the proposed time delay compensation algorithm is varified on 110kW AC induction motor vector control experiment platform.
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Received: 21 May 2010
Published: 07 March 2014
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[1] 李春龙, 沈颂华, 卢家林, 等. 具有延时补偿的数字控制在PWM整流器中的应用[J] 中国电机工程学报, 2007, 27(7): 94-97.
Li Chunlong, Shen Songhua, Lu Jialin, et al. Digital control with compensation of delay for PWM rectifier[J]. Proceedings of the CSEE, 2007, 27(7): 94-97.
[2] Bae B H, Sul S K. A compensation method for time delay of full-digital synchronous frame current regulator of PWM AC drives[J]. IEEE Transactions on Industry Applications, 2003, 39(3): 802-810.
[3] 马小亮, 许镇琳, 许勇, 等. 数字控制交-交变频-同步电动机矢量控制系统仿真[J]. 电工技术学报, 2000, 15(5): 16-20.
Ma Xiaoliang, Xu Zhenlin, Xu Yong, et al. Simulation of a digital vector control system of a cyclonverter-fed synchronous motor drive[J]. Transactions of China Electrotechnical Society, 2000, 15(5): 16-20.
[4] 刁利军. 电力推进负载模拟系统研究[D]. 北京: 北京交通大学, 2008.
[5] 李春龙, 沈颂华, 卢家林, 等. 基于状态观测器的PWM整流器电流环无差拍控制技术[J]. 电工技术学报, 2006, 21(12): 84-89.
Li Chunlong, Shen Songhua, Lu Jialin, et al. Deadbeat control for current loop of PWM rectifier based on state observer[J]. Transactions of China Electro- technical Society, 2006, 21(12): 84-89.
[6] Vladimir Blasko, Vikram Kaura, Walter Niewiadomski. Sampling method for discontinuous voltage and current signals and their influence on bandwidth of control loops of electrical drives[C]. IEEE Industry Applications Conference, 1997, 12: 520-526.
[7] Roux le W, Wyk van J D. The effect of signal measurement and processing delay on the compensation of harmonics by PWM converetrs[J]. IEEE Transactions on Industrial Electronics, 2000, 47(2): 297-304.
[8] Raymond B Sepe, Jeffrey H Lang. Implementation of discrete-time field-oriented current control[J]. IEEE Transactions on Industry Applications, 1994, 30(3): 723-728.
[9] Chul Woo Park, Woo Hyen Kwon. Time delay compensation for induction motor vector control system[J]. Science Electric Power Systems Research, 2004, 68: 238-247.
[10] Novotny D W, Lipo T A. Vector control and dynamic of AC drives[M]. New York: Oxford University Press, 1996.
[11] 祝晓辉, 李颖晖, 付明明. 永磁同步电机电流调节器动态特性分析及改进设计[J]. 电工电能新技术, 2007, 26(4): 27-29.
Zhu Xiaohui, Li Yinghui, Fu Mingming. Dynamic analysis and improved design of current regulators for permanent magnet synchronous motors[J]. Advanced Technology of Electrical Engineering and Energy, 2007, 26(4): 27-29.
[12] Britz F, Degener M W, Lorenz R D. Analysis and design of current regulators using complex vectors[J]. IEEE Transactions on Industry Applications, 2000, 36(3): 817-825.
[13] 陈伯时. 电力拖动自动控制系统-运动控制系统[M]. 3版. 北京: 机械工业出版社, 2003.
[14] 孙大南, 李哲峰, 等. 基于DSP-FPGA全数字控制的矢量控制系统[J]. 电力电子技术, 2008, 42(11): 26-27.
Sun Danan, Li Zhefeng, et al. Vector control system based on DSP-FPGA full-digital control[J]. Power Electronics, 2008, 42(11): 26-27.
[15] 王剑, 李永东, 马永健. 一种显著增加变换器电流环带宽的新方法[J]. 电气传动, 2009, 39(6): 34-38. |
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2011, Vol. 26 
