胡永银;李兴源;周洪宇;李宽;辜超;

• 1:四川大学电气信息学院
• 2:国电大渡河流域水电开发有限公司
• 3:西华大学电气信息学院

摘要(Abstract)：

基于电压源型换流器(voltage source converter,VSC)的高压直流输电工程在运行工况变化时,换流电抗器电感参数将随之变化,双闭环解耦控制器中含有电感参数的电流内环解耦将不准确或失效。为此,提出了一种dq同步旋转坐标系下无电感参数的解耦控制器。针对VSC-HVDC交流系统5、7、11、13等低次谐波含量较大的问题,提出了一种PI与准PR级联的控制器。算例仿真结果表明所提解耦控制策略可实现有功和无功的独立快速调节,能够有效抑制交流谐波,提高VSC-HVDC并网的电能质量。

关键词(KeyWords)： 电压源型换流器;谐波;电感参数;级联控制;电能质量

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(51037003)~~

作者(Author): 胡永银;李兴源;周洪宇;李宽;辜超;

Email:

DOI: 10.13335/j.1000-3673.pst.2014.03.006

参考文献(References)：

• [1]李兴源.高压直流输电系统[M].北京:科学出版社,2010:2.
• [2]文俊,张一工,韩民晓,等.轻型直流输电—一种新一代的HVDC技术[J].电网技术,2003,27(1):47-51.Wen Jun,Zhang Yigong,Han Minxiao,et al.HVDC based on voltage source converter—a new generation of HVDC technique[J].Power System Technology,2003,27(1):47-51(in Chinese).
• [3]王凤川.电压源换流器式轻型高压直流输电[J].电网技术,1999,23(4):74-76.Wang Fengchuan.HVDC light-DC transmission based on voltage sourced converters[J].Power System Technology,1999,23(4):74-76(in Chinese).
• [4]李庚银,吕鹏飞,李广凯,等.轻型高压直流输电技术的发展与展望[J].电力系统自动化,2003,27(4):77-81.Li Gengyin,LüPengfei,Li Guangkai,et al.Development and prospects for HVDC light[J].Automation of Electric Power Systems,2003,27(4):77-81(in Chinese).
• [5]范心明,管霖,何健明.多电平柔性直流输电定有功功率与频率辅助控制[J].电网技术,2012,36(9):182-186.Fan Xinming,Guan Lin,He Jianming.Constant active power and frequency auxiliary control for multilevel VSC-HVDC power transmission[J].Power System Technology,2012,36(9):182-186(in Chinese).
• [6]赵伟然,李光辉,何国庆,等.光伏电站经VSC-HVDC并网拓扑及其控制策略[J].电网技术,2012,36(11):41-45.Zhao Weiran,Li Guanghui,He Guoqing,et al.Topology of connecting photovoltaic power station to power grid via VSC-HVDC and its control strategy[J].Power System Technology,2012,36(11):41-45(in Chinese).
• [7]邱大强,李群湛,马庆安,等.基于直接功率控制的VSC-HVDC系统换流控制器设计[J].高电压技术,2010,36(10):2600-2606.Qiu Daqiang,Li Qunzhan,Ma Qing’an,et al.Design of converter controller for VSC-HVDC system based on direct power control[J].High Voltage Engineering,2010,36(10):2600-2606(in Chinese).
• [8]郑连清,朱蒙,陆治国,等.VSC-HVDC双积分滑模解耦控制器设计[J].湖南大学学报:自然科学版,2013,40(2):52-58.Zheng Lianqing,Zhu Meng,Lu Zhiguo,et al.Design of double integral sliding mode decoupling controller for VSC-HVDC system[J].Journal of Hunan University:Natural Sciences,2013,40(2):52-58(in Chinese).
• [9]Haifeng Liang,Jinliang Kang,Gengyin Li,et al.A deadbeat control method for VSC-HVDC under AC voltage unbalance[C]//Power and Energy Society General Meeting.San Diego,CA,USA:IEEE,2011:1-7.
• [10]Hidalgo Mora C A,Díaz Aldana N L.Vectorial control of a voltage source converter[C]//Transmission and Distribution Conference and Exposition.Sao Paulo,Latin America(T&D-LA):IEEE,2010:689-693.
• [11]何大清,蔡旭.柔性直流输电的动态电流限幅控制[J].电网技术,2012,36(1):135-139.He Daqing,Cai Xu.Transition current limitation control of VSC-HVDC power transmission[J].Power System Technology,2012,36(1):135-139(in Chinese).
• [12]郑连清,池俊锋.新型VSC-HVDC控制器设计[J].电网技术,2012,36(3):210-216.Zheng Lianqing,Chi Junfeng.Design of a new type of VSC-HVDC controller[J].Power System Technology,2012,36(3):210-216(in Chinese).
• [13]王恩德,黄声华.表贴式永磁同步电机伺服系统电流环设计[J].中国电机工程学报,2012,32(33):82-88.Wang Ende,Huang Shenghua.Current regulator design for surface permanent magnet synchronous motor servo systems[J].Proceedings of the CSEE,2012,32(33):82-88(in Chinese).
• [14]胡弢.VSC-HVDC的谐波分析[J].江苏电机工程,2009,28(4):9-13.Hu Tao.Harmonic analysis of VSC-HVDC[J].Jiangsu Electrical Engineering,2009,28(4):9-13(in Chinese).
• [15]黄崇鑫,张凯锋,戴先中,等.含LC低通滤波器的VSC-HVDC系统的新型控制策略[J].电力自动化设备,2011,31(3):12-17.Huang Chongxin,Zhang Kaifeng,Dai Xianzhong,et al.Control strategy for VSC-HVDC system with LC low-pass filter[J].Electric Power Automation Equipment,2011,31(3):12-17(in Chinese).
• [16]吴俊宏,艾芊.三电平变换器对HVDC系统谐波抑制仿真研究[J].华东电力,2009,37(3):399-402.Wu Junhong,Ai Qian.Simulation study of three-level convertors for harmonic suppression in HVDC systems[J].East China Electric Power,2009,37(3):399-402(in Chinese).
• [17]Harnefors L,Nee H P.Model-based current control of AC machines using the internal model control method[J].IEEE Transactions on Industry Applications,1998,34(1):133-141.
• [18]Kim J K,Lee J H,Jeong H G,et al.Improvement of grid-connected inverter systems with PR controllers under the unbalanced and distorted grid voltage[C]//2012 7th International Power Electronics and Motion Control Conference(IPEMC).Harbin,China:IEEE,2012:1183-1187.
• [19]Ye Zhuhuan,Xiao Guochun,Zeng Zhong,et al.PR and harmonic compensation control scheme with current state feedback for an single-phase active voltage quality regulator[C]//2011 IEEE 8th International Conference on Power Electronics and ECCE Asia(ICPE&ECCE).Shilla Jeju,Korea:IEEE,2011:2749-2756.
• [20]Song B M,Kim Y,Cha H,et al.Current harmonic minimization of a grid-connected photovoltaic 500 kW three-phase inverter using PR control[C]//2011 IEEE Energy Conversion Congress and Exposition(ECCE).Phoenix,AZ,USA:IEEE,2011:1063-1068.
• [21]Cheng Huang,Lihua Zhao.Design of controller for VSC-HVDC systems with the alpha beta Stationary Frame[C]//2012 Asia-Pacific Power and Energy Engineering Conference(APPEEC).Shanghai,China:IEEE,2012:1-4.
• [22]刘昇,徐政,唐庚,等.VSC-HVDC机电暂态仿真建模及仿真[J].电网技术,2013,37(6):1672-1677.Liu Sheng,Xu Zheng,Tang Geng,et al.Electromechanical transient modeling and simulation for voltage source converter based HVDC power transmission[J].Power System Technology,2013,37(6):1672-1677(in Chinese).
• [23]张建坡,赵成勇,孙一莹,等.基于电压源换流器型直流输电拓扑结构和调制策略[J].电网技术,2013,37(6):1732-1738.Zhang Jianpo,Zhao Chengyong,Sun Yiying,et al.Research on topological structure and control strategy for voltage source converter-based direct current power transmission[J].Power System Technology,2013,37(6):1733-1738(in Chinese).
• [24]陈海荣,徐政.向无源网络供电的VSC-HVDC系统的控制器设计[J].中国电机工程学报,2006,26(23):42-48.Chen Hairong,Xu Zheng.Control design for VSC-HVDC supplying passive network[J].Proceedings of the CSEE,2006,26(23):42-48(in Chinese).
• [25]Briz F,Degner M W,Lorenz R D.Analysis and design of current regulators using complex vectors[C]//Industry Applications Conference,Thirty-Second IAS Annual Meeting.New Orleans,Louisiana,USA:IEEE,1997:1504-1511.
• [26]Bo Liu,Xu Yang,Yan Zhang,et al.A new control strategy combing PI and quasi-PR control under rotate frame for three phase grid-connected photovoltaic inverter[C]//2011 IEEE 8th International Conference on Power Electronics and ECCE Asia(ICPE&ECCE).Shilla Jeju,Korea:IEEE,2011:882-888.
• [27]张旭辉,温旭辉,赵峰.电机控制器直流侧前置双向Buck/Boost变换器的直接功率控制策略研究[J].中国电机工程学报,2012,32(33):15-22.Zhang Xuhui,Wen Xuhui,Zhao Feng.A direct power control scheme for bi-directional Buck/Boost converters in motor drive systems[J].Proceedings of the CSEE,2012,32(33):15-22(in Chinese).