殷桂梁;陈思佳;吴杰;张知微;张雪;

• 1:燕山大学电气工程学院

摘要(Abstract)：

为改善含不平衡负载的微电网的运行性能,通过在静止坐标系中建立带不平衡负载的并网逆变器数学模型,以电压输出平衡和正序有功/无功功率输出平稳为控制目标,针对微电网中的并网逆变器提出了一种滑模补偿策略。基于积分切换函数的滑模功率控制器直接控制并网逆变器输出的有功、无功功率;基于指数趋近率的电流滑模控制器直接补偿由微网内不平衡负荷导致的负序电流分量。并网逆变器除向电网传送功率外还参与微网电能质量控制。仿真结果验证了所提控制方法的稳定性和有效性。

关键词(KeyWords)： 微电网;并网逆变器;不平衡负荷;滑模控制;电能质量控制

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 殷桂梁;陈思佳;吴杰;张知微;张雪;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.09.017

参考文献(References)：

• [1]鲁宗相,王彩霞,闵勇.微电网研究综述[J].电力系统自动化,2007,31(19):100-107.Lu Zongxiang,Wang Caixia,Min Yong.Overview on microgrid research[J].Automation of Electric Power Systems,2007,31(19):100-107(in Chinese).
• [2]Lasseter R H,Paigi P.Microgrid:a conceptual solution[C]//Proceedings of 35th Annual IEEE Power Electronics Specialists Conference.Aachen,Germany:IEEE,2004:4285-4290.
• [3]Venkataramanan G,Illindata M.Microgrids and sensitive loads[C]//Proceedings of the IEEE Power Engineering Society Winter Meeting.New York,America:IEEE,2002:315-322.
• [4]Plummer I.Asymmetry in distribution systems:causes,harmful effects and remedies[D].Baton Rouge:Louisiana State University,2011:23-28.
• [5]Singh B,Al-haddad K,Chandra A.A review of active filters for power quality improvement[J].IEEE Transactions on Industrial Electronics,1999,46(5):960-971.
• [6]吴在军,杨雷雷,胡敏强.改善微网电能质量的有源电能质量调节器研究[J].电网技术,2012,36(7):67-73.Wu Zaijun,Yang Leilei,Hu Minqiang.Research on active power quality conditioner for improving power quality of microgrid[J].Power System Technology,2012,36(7):67-73(in Chinese).
• [7]王晓,罗安,邓才波,等.基于光伏并网的电能质量控制系统[J].电网技术,2012,36(4):68-73.Wang Xiao,Luo An,Deng Caibo,et al.A power quality control system based on grid-connected photovoltaic power generation[J].Power System Technology,2012,36(4):68-73(in Chinese).
• [8]李小叶,李永丽,张玮亚,等.基于多功能并网逆变器的电能质量控制策略[J].电网技术,2015,39(2):556-562.Li Xiaoye,Li Yongli,Zhang Weiya,et al.A power quality control strategy based on multi-functional grid-connected inverter[J].Power System Technology,2015,39(2):556-562(in Chinese).
• [9]Cheng P T,Chen C A.A cooperative imbalance compensation method for distributed-generation interface converters[J].IEEE Transactions on Industrial Applications,2009,45(2):805-815.
• [10]邓文浪,杨欣荣,朱建林.不平衡负载情况下基于双序dq坐标系双极矩阵变换器的闭环控制研究[J].中国电机工程学报,2006,26(19):70-75.Deng Wenlang,Yang Xinrong,Zhu Jianlin.Study of closed loop control based on double synchronous rotating frame for two-stage matrix converter under unbalanced load[J].Proceedings of the CSEE,2006,26(19):70-75(in Chinese).
• [11]Li Y W,Vilathgamuwa D M,Loh P C.A grid-interfacing power quality compensator for three-phase three-wire micro-grid applications[C]//Proceedings of 35th Annual IEEE Power Electronics Specialists Conference.Aachen,Germany:IEEE,2004:2011-2017.
• [12]周洁,罗安,陈燕东.低压微电网多逆变器并联下的电压不平衡补偿方法[J].电网技术,2014,38(2):412-418.Zhou Jie,Luo An,Chen Yandong.Voltage unbalance compensation for low-voltage microgrid with multi parallelly connected inverters[J].Power System Technology,2014,38(2):412-418(in Chinese).
• [13]Sung P O,Christopher E,Sumner M,et al.Microgrid unbalance compensator-mitigating the negative effets of unbalanced microgrid operation[C]//Proceedings of the IEEE PES ISGT Europe Conference.Lyngby,Denmark:IEEE,2013:1-5.
• [14]Rezaei M M,Soltani J.A robust control strategy for a grid-connected multi-bus microgrid under unbalanced load conditions[J].Electrical Power and Energy Systems,2015,71(2):68-76.
• [15]刘金琨.滑模变结构控制MATLAB仿真[M].北京:清华大学出版社,2005:1-15.
• [16]全宇,年珩.不平衡及谐波电网下并网逆变器的谐振滑模控制技术[J].中国电机工程学报,2014,34(9):1345-1352.Quan Yu,Nian Heng.Resonance-based sliding mode control of grid connected inverters under unbalanced and harmonic grid voltage[J].Proceedings of the CSEE,2014,34(9):1345-1352(in Chinese).
• [17]曾正,赵荣祥,杨欢.带隔离变压器的并网逆变器的将阶模型及滑模变结构控制[J].电力系统自动化,2012,36(3):47-53.Zeng Zheng,Zhao Rongxiang,Yang Huan.Reduction model and sliding mode variable structure control for grid-connected inverters with isolation transformer[J].Automation of Electric Power Systems,2012,36(3):47-53(in Chinese).
• [18]朱鑫,刘俊勇,刘洋,等.基于滑模变结构的含不平衡负荷微电网控制策略研究[J].电力系统保护与控制,2015,43(6):25-32.Zhu Xin,Liu Junyong,Liu Yang,et al.Study of micro-grid control strategy contained unbalanced load based on sliding-mode variable structure[J].Power System Protection and Control,2015,43(6):25-32(in Chinese).
• [19]袁旭峰,程时杰,文劲宇.改进瞬时对称分量法及其在正负序电量检测中的应用[J].中国电机工程学报,2008,28(1):52-58.Yuan Xufeng,Cheng Shijie,Wen Jinyu.An improved method of instantaneous symmetrical components and its detection for positive and negative sequence current[J].Proceedings of the CSEE,2008,28(1):52-58(in Chinese).
• [20]杨贵杰,孙力,崔乃政.空间矢量脉宽调制方法的研究[J].中国电机工程学报,2001,21(5):79-83.Yang Guijie,Sun Li,Cui Naizheng.Study on method of the space vector PWM[J].Proceedings of the CSEE,2001,21(5):79-83(in Chinese).
• [21]国家技术监督局.GB/T 15543—2008电能质量三相电压允许不平衡度[S].北京:中国标准出版社,2008.