VSC-HVDC输电系统的无源性控制器设计Design of Passivity-based Controller for VSC-HVDC Power Transmission System
李升来,王奔,刘向向,侯荣均
摘要(Abstract):
为了提高VSC-HVDC的控制性能,采用无源性理论,应用双闭环控制策略设计其控制器。首先建立基于dq坐标系下VSC-HVDC暂态数学模型的Euler-Lagrange模型,采用能量成型的方法,设计无源控制器,实现交流侧电流的快速跟踪和直流侧电压恒定,并且达到有功和无功功率独立控制的目的。最后建立基于Maltlab的仿真模型进行仿真分析,结果表明所设计的控制器具有良好的暂态控制性能和较强的鲁棒性。
关键词(KeyWords): 高压直流;电压源换流器;能量函数;无源控制器;能量整形
基金项目(Foundation):
作者(Author): 李升来,王奔,刘向向,侯荣均
参考文献(References):
- [1]陈谦,唐国庆,胡铭(Chen Qian,Tang Guoqing,HuMing).采用dq0坐标的VSC-HVDC稳态模型与控制器设计(Steady-state model and controller design of aVSC-HVDC converter based on dq0-axis)[J].电力系统自动化(Automation of Electric Power Systems),2004,28(16):61-66.
- [2]陈海荣,徐政(Chen Hairong,Xu Zheng).基于同步坐标变换的VSC-HVDC暂态模型及其控制器(Transientmodel controller design for VSC-HVDC based on syn-chronous reference frame)[J].电工技术学报(Transac-tions of China Electrotechnical Society),2007,22(2):121-126.
- [3]Liu Zhongqi,Shao Weijun,Song Qiang,et al.A novelnonlinear decoupled controller for VSC-HVDC system[C]//Asia-Pacific Power and Energy Engineering Conference.Wuhan,China:2009.
- [4]包宗贤,邹超(Bao Zongxian,Zou Chao).向无源网络供电的VSC-HVDC系统的新型控制器设计(New controldesign for VSC-HVDC supplying passive networks)[J].电力系统保护与控制(Power System Protection and Con-trol),2008,36(14):22-27.
- [5]陈蔓,陆继明,毛承雄,等(Chen Man,Lu Jiming,MaoChengxiong,et al).基于遗传算法的优化控制在VSC-HVDC中的应用(Application of genetic algorithm basedoptimal control in VSC-HVDC)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2006,18(4):19-23.
- [6]邓婧,李兴源,王渝红,等(Deng Jing,Li Xingyuan,Wang Yuhong,et al).H_∞控制理论在次同步阻尼控制器设计中的应用(Application of H_∞control theory onsubsynchronous damping controller)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2010,22(6):1-5.
- [7]王久和,黄立培,杨秀媛(Wang Jiuhe,Huang Lipei,YangXiuyuan).三相电压型PWM整流器的无源性功率控制(Power control of three-phase boost-type PWM rectifierbased on passivity)[J].中国电机工程学报(Proceedings ofthe CSEE),2008,28(21):20-25.
- [8]Lee Tzann-Shin.Lagrangian modeling and passivity-bas-ed control of three-phase AC/DC voltage-source convert-ers[J].IEEE Trans on Industrial Electronics,2004,51(4):892-902.
- [9]王久和.电压型PWM整流器的非线性控制[M].北京:机械工业出版社,2008.