交-交变频同步电机调速系统的实验仿真研究
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摘要
利用交-交变频同步电机调速系统原理,采用PSIM软件建立了气隙磁场定向控制的交-交变频同步电机调速系统的仿真模型,对系统模型进行了仿真测试,验证了该模型的稳定性。结合实际热连轧过程,对交-交变频同步电机系统注入电网的谐波进行研究,得到交-交变频同步电机系统运行时谐波的变化规律及其影响因素。实验结果表明,仿真波形变化与现场的波形变化基本相同,该模型可辅助相关理论研究。
Based on the theory of cycloconverter-feed synchronous motor vector control system,the simulation model of air-gap flux orientation control system of synchronous motor is set up by using the simulation software PSIM;secondly,the operating mode and the characteristics of the cycloconverter are simulated.Through computer simulation results,the stability of the vector control system is verified,and finally combined with the actual hot strip rolling process,the harmonic of the power grid is analyzed when the system is running and some changing rules and influencing factors of this vector operation system are deduced.This waveform is basically the same with the actual change,and it helps the next step theory.
Based on the theory of cycloconverter-feed synchronous motor vector control system,the simulation model of air-gap flux orientation control system of synchronous motor is set up by using the simulation software PSIM;secondly,the operating mode and the characteristics of the cycloconverter are simulated.Through computer simulation results,the stability of the vector control system is verified,and finally combined with the actual hot strip rolling process,the harmonic of the power grid is analyzed when the system is running and some changing rules and influencing factors of this vector operation system are deduced.This waveform is basically the same with the actual change,and it helps the next step theory.
引文
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[12]杜少通,高庆华.基于双变量六脉波交-交变频器的变压变频控制方法研究[J].工矿自动化,2010,36(8):89-92.
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[2]干永革,王文,李发海,等.交交变频同步电机矢量控制系统供电电网谐波分析[J].中国电机工程学报,1999,19(6):21-25,32.
[3]马小亮.大功率交-交变频调速及矢量控制技术[M].3版.北京:机械工业出版社,2003.
[4]薛丽英,齐蓉,梅亮.永磁同步电动机矢量控制系统在PSIM下的仿真分析[J].电力系统及自动化学报,2006,18(5):46-48.
[5]纪志成,周寰,李三东.基于PSIM永磁同步电机矢量控制系统的仿真建模[J].系统仿真学报,2004,16(5):898-901.
[6]李林泉.双馈电机调速系统的仿真[D].北京:北京科技大学,2008.
[7]赵晓坦,李崇坚,王云鹏,等.磁场定向控制同步电机稳态特性分析[C]//全国自动化新技术学术交流会会议论文集.南京,2005.
[8]吴轩钦,谭国俊,宋金梅,等.基于混合磁链观测器电励磁同步电机矢量控制[J].电机与控制学报,2010,14(3):62-68.
[9]Hu Jun,Wu Bin.New integration algorithms for estimating motor flux over a wide speed range[J].IEEE Transactions on Power Electronics,1997,13(5):1075-1081.
[10]李崇坚.交流同步电机调速系统[M].北京:科学出版社,2006.
[11]张勇军,王京,李静,等.轧机主传动交流变频传动技术的发展及应用[J].电机与控制应用,2008,35(8):1-5.
[12]杜少通,高庆华.基于双变量六脉波交-交变频器的变压变频控制方法研究[J].工矿自动化,2010,36(8):89-92.
[13]张进之,王文瑞.热连轧张力复合控制系统的探讨[J].冶金自动化,1997(3):10-13.