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电网技术  2014 

基于穿越频次变步长的离散全程滑模锁相环控制

DOI: 10.13335/j.1000-3673.pst.2014.12.012, PP. 3347-3353

Keywords: global,sliding,mode,control,digital,phase-locked,loop,grid-connection,inverter,initial,value,of,transient,state,Lyapunov

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Abstract:

对于基于同步旋转坐标变换的数字锁相环,为实现更好的实时性和控制精度,更适合新能源并网逆变发电的应用,将一种基于全程滑模的变步长控制策略引入其中。基于同步坐标系数字锁相环的数学模型,研究了不同电网电压矢量初始相位角对锁相速度的影响,推导了电网电压矢量的d轴分量相对于原点进行坐标镜像变换的规则。在建立锁相环全程离散切换函数的基础上,根据非理想全程离散滑动模态的运动特点,提出了基于穿越切换面频次的瞬态判定方法。构建李雅普诺夫(Lyapunov)函数讨论了锁相环全程滑模控制的稳定性、存在性及可达性条件,基于此确定了变步长的极值。仿真和实验结果验证了此控制策略的有效性。

References

[1]  Timbus A,Teodorescu R,Blaabjerg F,et al.Synchronization methods for three phase distributed power generation systems:an overview and evaluation[C]//IEEE 36th Power Electronics Specialists Conference.IEEE,Brazil:Recife,2005:2474-2481.
[2]  Blaabjerg F,Teodorescu R,Liserre M,et al.Overview of control and grid synchronization for distributed power generation systems[J].IEEE Transactions on Industrial Electronics,2006,53(5):1398-1409.
[3]  邢浩江,张东来,李铁才,等.考虑电网电压基波锁相环控制单级式光伏逆变器的柔性并网方法[J].电网技术,2012,36(10):6-10. Xing Haojiang,Zhang Donglai,Li Tiecai,et al.Flexible grid-connection method for single-stage photovoltaic inverter based on phase-locked loop control for grid fundamental frequency voltage[J].Power System Technology,2012,36(10):6-10(in Chinese).
[4]  黄凯征,汪万伟,王旭.基于滑模控制的PWM整流器建模与仿真[J].电网技术,2009,33(8):18-23. Huang Kaizheng,Wang Wanwei,Wang Xu.Modeling and simulation of PWM rectifier based on sliding-mode control[J].Power System Technology,2009,33(8):18-23(in Chinese).
[5]  刘斌,粟梅,贺建军,等.混合动力汽车DC/DC辅助电源轨迹规划及双积分滑模控制[J].电网技术,2014,38(4):918-924. Liu Bin,Su Mei,He Jianjun,et al.Trajectory planning and dual-integral sliding-mode control strategy of DC/DC auxiliary power supply for hybrid electric vehicles[J].Power System Technology,2014,
[6]  Chinese).
[7]  Kuzu A,Bogosyanl S,Gokasanl M,et al.Fast locking of PLLs using sliding mode control[C]//IEEE International Symposium on Industrial Electronics,ISlE '09.Seoul,Korea:IEEE,2009:1705-1708.
[8]  古俊银,廖茂宇,陈国呈.一种高效的非线性电网数字锁相环[J].中国电机工程学报,2012,32(33):53-58. Gu Junyin,Liao Maoyu,Chen Guocheng.A high efficient non-linear digital phase locked loop for grid-connected inverters[J].Proceeding of the CSEE,2012,32(33):53-58(in Chinese).
[9]  Fernão-Pires V,Marques G D,Sousa D.Phase-locked loop topology based on a synchronous reference frame and sliding mode approach for DVR applications[C]//IEEE International Conference on Computer as a Tool (EUROCON).Portugal,Lisbon:IEEE,2011:1-4.
[10]  刘金琨.滑模变结构控制Matlab仿真[M].北京:清华大学出版社,2005:436-445.
[11]  Gao Weibing,Wang Yufu,Abdollah H.Discrete-time variable structure control systems[J].IEEE Transactions on Industrial Electronics,1995,42(2):117-122.
[12]  Choi H S,Park Y H,Cho Y S,et a1.Global sliding mode control[J].IEEE Control Systems Magazine,2001,21(3):27-35.
[13]  肖雁鸿,葛召炎,周靖林.全滑模变结构控制系统[J].电机与控制学报,2002,6(3):233-236. Xiao Yanhong,Ge Zhaoyan,Zhou Jinglin.Global sliding mode variable structure control system[J].Electric Machines and Control,2002,6(3):233-236(in Chinese).
[14]  Park K B,Lee J J.Variable structure controller for robot manipulators using time-varying sliding surface[C]//IEEE International Conference on Robotics and Automation.Atlanta,USA:IEEE,1993:89-93.
[15]  Lu Y S,Chen J S.Design of a global sliding-mode controller for a motor drive with bounded control[J].International Journal of Control,1995,62(5):1001-1019.
[16]  Liu Jinkun,Sun Fuchun.Global sliding mode control with adaptive fuzzy chattering free method for nonlinear system[C]//IMACS Multiconference on Computational Engineering in Systems Applications.Beijing,China:IMACS Multiconference on Computational Engineering in Systems Applications,2006:541-546.
[17]  Ciobotaru M,Teodorescu R,Blaabjerg F.A new single-phase PLL structure based on second order generalized integrator[C]//IEEE 37th Power Electronics Specialists Conference.Jeju,Korea:IEEE,2006:1-6.
[18]  Sarpturk S Z,Istefanopulos Y,Kaynak O.On the stability of discrete-time sliding mode control sys tems[J].IEEE Trans on Automatic Control,1987,32(10):930-932.
[19]  岳海峰.变结构控制抖振问题研究[D].哈尔滨:哈尔滨工业大学,2007.

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