基于逆系统模型的配电网静止同步补偿器双变量非线性控制策略A Nonlinear Double Variable Control Strategy Based on Inverse System Model of Static Synchronous Compensator for Distribution Network
肖华根;刘桂英;粟时平;蒋陆萍;张伊洁;
摘要(Abstract):
通过分析配电网静止同步补偿器(distribution static synchronous compensator,DSTATCOM)的输出电压与电网电压的相角差δ与装置吸收的无功功率和有功功率的关系,建立了DSTATCOM稳态逆系统数学模型。提出以稳态逆系统数学模型为主控制器、电流反馈闭环控制为辅助控制器的双变量(δ和M)电流控制策略,并通过调节δ角控制直流侧电容电压。同时在补偿电流与直流侧电容电压控制中引入非线性PID控制技术,使得装置具有很好的自适应能力。最后经DSTATCOM模拟装置证明了所提控制方法的可行性和有效性。
关键词(KeyWords): 配电网静止同步补偿器;逆系统模型;双变量;非线性PID控制
基金项目(Foundation): 湖南省高等学校科学研究项目(09C079)
作者(Author): 肖华根;刘桂英;粟时平;蒋陆萍;张伊洁;
Email:
DOI: 10.13335/j.1000-3673.pst.2010.12.036
参考文献(References):
- [1]Zhang Z,Fahmi N R.Modeling and analysis of a cascade 11-level inverters-based SVG with control strategies for electric arc furnace(EAF)application[J].IEE Proceedings Generation Transmission Distribution,2003,150(2):217-223.
- [2]Collins C D,Bathurst G N,Watson N R,et a1.Harmonic domain approach to STATCOM modeling[J].IEE Proceedings Generation Transmission Distribution,2005,152(2):194-200.
- [3]Xi Zhengping,Bhattacharya S.Current control of angle controlled STATCOM[C]//39th North American Power Symposium.Las Cruces,USA:NM,2007:322-328.
- [4]陈志业,尹华丽,李鹏.电能质量及其治理新技术[J].电网技术,2002,26(7):67-70.Chen Zhiye,Yin Huali,Li Peng.Power quality problem and new technology for its improvement[J].Power System Technology,2002,26(7):67-70(in Chinese).
- [5]姜齐荣,蒋霞,梁旭,等.大容量STATCOM装置的非线性特性[J].清华大学学报:自然科学版,2003,43(3):326-332.Jiang Qirong,Jiang Xia,Liang Xu,et al.Nonlinear characteristics of a large capacity STATCOM[J].Journal of Tsinghua University:Science&Technology Edition,2003,43(3):326-332(in Chinese).
- [6]魏文辉,刘文华,宋强,等.基于逆系统方法有功_无功解耦PWM控制的链式STATCOM动态控制策略研究[J].中国电机工程学报,2005,25(3):23-28.Wei Wenhui,Liu Wenhua,Song Qiang,et al.Research on fast dynamic control of static synchronous compensator using cascade multilevel inverters[J].Proceedings of the CSEE,2005,25(3):23-28(in Chinese).
- [7]武小梅,严干贵.基于级联式电压源逆变器的静止同步补偿器直流电压控制策略[J].电网技术,2006,30(18):49-53.Wu Xiaomei,Yan Gangui.Control strategy of DC capacitor voltage of static synchronous compensator based on cascaded multilevel voltage source inverter[J].Power System Technology,2006,30(18):49-53(in Chinese).
- [8]邓家泽,王奔,黄崇鑫,等.基于晶闸管STATCOM的无功补偿控制[J].电网技术,2009,33(1):48-51.Deng Jiaze,Wang Ben,Huang Chongxin,et al.Reactive power compensation control based on thyristor based STATCOM[J].Power System Technology,2009,33(1):48-51(in Chinese).
- [9]兰华,尹鹏,蔡国伟,等.风电场中静止同步补偿器的输入–输出反馈线性化控制[J].电网技术,2009,33(17):141-145.Lan Hua,Yin Peng,Cai Guowei,et al.Input-output feedback linearization control for static synchronous compensator in wind farm[J].Power System Technology,2009,33(17):141-145(in Chinese).
- [10]Meng X P,Wang H,Zhao L,et a1.Controlling study of DSTATCOM based on reinforcement learning adaptive PID[C]//Proceedings of the IEEE International Conference on Automation and Logistics.Shenyang,China:IEEE,2009:1208-1211.
- [11]唐杰,罗安,荣飞,等.直接电流控制的配电静止无功发生器用于改善电压质量的研究[J].电网技术,2006,30(S2):611-614.Tang Jie,Luo An,Rong Fei,et al.Study on direct current controlled distribution static synchronous compensator used for improvement of voltage quality[J].Power System Technology,2006,33(S2):611-614(in Chinese).
- [12]王松岑,于坤山,汤广福.DSTATCOM用于减缓电压跌落的双矢量控制器设计[J].电力系统自动化,2008,32(11):82-86.Wang Songcen,Yu Kunshan,Tang Guangfu.Double vector controller design of DSTATCOM to mitigate voltage sags[J].Automations of Electric Power Systems,2008,32(11):82-86(in Chinese).
- [13]罗安,欧剑波,唐杰,等.补偿配电网电压不平衡的静止同步补偿器控制方法研究[J].中国电机工程学报,2009,29(6):55-60.Luo An,Ou Jianbo,Tang Jie,et al.Research on control method of STATCOM for grid voltage unbalance compensation[J].Proceedings of the CSEE,2009,29(6):55-60(in Chinese).
- [14]王玉斌.配电系统动态无功补偿技术的研究[D].济南:山东大学,2007.
- [15]伏祥运,曾繁鹏,王建赜,等.STATCOM的自适应逆控制方法[J].电机与控制学报,2006,10(6):636-640.Fu Xiangyun,Zeng Fanpeng,Wang Jianze,et al.Adaptive inverse control for STATCOM[J].Electrical Machines and Control,2006,10(6):636-640(in Chinese).
- [16]Singh B,Solanki J,Verma V.Neural net-work based control of reduced rating DSTATCOM[C]//IEEE Indicon 2005 Conference.Chennai,India:IEEE,2005:516-520.
- [17]侯勇,谢广志,童建东.基于αβ系统的DSTATCOM积分型滑模变结构控制[J].电工电能新技术,2007,26(1):25-28.Hou Yong,Xie Guangzhi,Tong Jiandong.Sliding-mode variable structure with integral action under frame for DSTATCOM[J].Advanced Technology of Electrical Engineering and Energy,2007,26(1):25-28(in Chinese).
- [18]Harsha V P,Kalyan K B,Mahesh K.A robust controller for DSTATCOM[C]//POWERENG 09 Conference.Lisbon,Portugal:Universidade Nova Lisboa,2009:546-551.
- [19]戴先中.多变量非线性系统的神经网络逆控制方法[M].北京:科学出版社,2005:115-121.
- [20]姜齐荣,谢小荣,陈建业.电力系统并联补偿:结构、原理,控制与应用[M].北京:机械工业出版社,2004:82-100.
- [21]刘钊,刘邦银,段善旭,等.链式静止同步补偿器的直流电容电压平衡控制[J].中国电机工程学报,2009,29(30):7-12.Liu Zhao,Liu Bangyin,Duan Shanxu,et al.DC capacitor voltage balancing control for cascade multilevel STATCOM[J].Proceedings of the CSEE,2009,29(30):7-12(in Chinese).
- [22]刘金琨.先进PID控制及其Matlab仿真[M].北京:电子工业出版社,2003:189-196.