电网不平衡下DFIG网侧变换器侧基于PCHD模型的无源控制Research on Passivity-Based Control Based on PCHD Model for DFIG Grid-Side Converter Under Unbalanced Grid Voltage Conditions
程启明;谭冯忍;程尹曼;杨小龙;黄山;
摘要(Abstract):
电网电压不平衡对双馈异步风力发电机(doubly fed induction generator,DFIG)系统的运行损害很大,传统的控制方法不能完全解决该问题。根据电压不平衡情况下DFIG的工作原理,提出了DFIG网侧变换器控制器基于端口受控的耗散哈密顿(port controlled Hamiltonian with dissipation,PCHD)模型的互联和阻尼分配无源性控制(interconnection and damping assignment passivity-based control,IDA-PBC)方法,详细推导出在正序和负序下基于PCHD模型的DFIG网侧变换器IDA-PBC控制器结构,并计算出在消除电压不平衡引起的网侧输出有功2次谐波、网侧输出无功2次谐波及网侧电流2次谐波3种不同控制目标下网侧电流的给定值,还结合机侧控制策略给出了网侧和机侧之间协调控制最优控制目标组合方式。软件仿真和硬件实验结果表明了所提出的控制方案的可行性和有效性。
关键词(KeyWords): 不平衡电网电压;双馈风力发电系统;网侧变换器;端口受控的耗散哈密顿;无源性控制
基金项目(Foundation): 国家自然科学基金(61573239);; 上海市重点科技攻关计划(14110500700)~~
作者(Author): 程启明;谭冯忍;程尹曼;杨小龙;黄山;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.1870
参考文献(References):
- [1]年珩,潘再平.双馈风力发电机变流控制技术[M].北京:科学出版社,2015.
- [2]Yao J,Li H,Chen Z,et al.Enhanced control of a DFIG-based wind-power generation system with series grid-side converter under unbalanced grid voltage conditions[J].IEEE Transactions on Power Electronics,2013,28(7):3167-3181.
- [3]Liao Y,Li H,Yao J,et al.Operation and control of a grid-connected DFIG-based wind turbine with series grid-side converter during network unbalance[J].Electric Power Systems Research,2011,81(1):228-236.
- [4]张迪,魏艳君,马利轩,等.不平衡电网电压下基于滑模变结构控制的双馈风电系统网侧变流器控制策略[J].电工技术学报,2015,30(10):266-275.Zhang Di,Wei Yanjun,Ma Lixuan,et al.Sliding-mode control for grid-side converters of DFIG-based wind power[J].Transactions of China Electrotechnical Society,2015,30(10):266-275(in Chinese).
- [5]郑航,张辉,肖曦,等.微电网中并联逆变器与电网的谐波交互分析[J].电网技术,2016,40(8):2518-2524.Zheng Hang,Zhang Hui,Xiao Xi,et al.Analysis of harmonic interaction between multi-paralleled inverters and grid in microgrid[J].Power System Technology,2016,40(8):2518-2524(in Chinese).
- [6]王宏胜,章玮,胡家兵,等.电网电压不对称故障条件下DFIG风电机组控制策略[J].电力系统自动化,2010,34(4):97-102.Wang Hongsheng,Zhang Wei,Hu Jiabing,et al.A control strategy for doubly-fed induction generator wind turbines under asymmetrical grid voltage conditions caused by faults[J].Automation of Electric Power Systems,2010,34(4):97-102(in Chinese).
- [7]Cheng Peng,Nian Heng.Collaborative control of DFIG system during network unbalance using reduced-order generalized Integrators[J].IEEE Transactions on Energy Conversion,2015,30(2):453-464.
- [8]胡家兵,贺益康,王宏胜,等.不平衡电网电压下双馈感应发电机转子侧变换器的比例谐振电流控制策略[J].中国电机工程学报,2010,30(6):48-56.Hu Jiabing,He Yikang,Wang Hongshen,et al.Proportional-resonant current control scheme for rotor-side converter of doubly-fed induction generators under unbalanced network voltage conditions[J].Proceedings of the CSEE,2010,30(6):48-56(in Chinese).
- [9]何金梅.不平衡电网电压下双馈风电系统的控制研究[D].哈尔滨:哈尔滨工业大学,2013.
- [10]Busada C A,Bahia B,Argentina C,et al.Current controller based on reduced order generalized integrators for distributed generation systems[J].IEEE Transactions on Industrial Electronics,2012,59(7):2898-2909.
- [11]王大彧,郭宏,刘治,等.直驱阀用音圈电机的模糊非线性PID控制[J].电工技术学报,2011,26(3):52-56.Wang Dayu,Guo Hong,Liu Zhi,et al.A fuzzy nonlinear PID control of voice coil motor used in direct drive valve[J].Transactions of China Electrotechnical Society,2011,26(3):52-56(in Chinese).
- [12]陈曦寒,高赐威.考虑定桨距和变桨距风机联合控制的风电场有功功率控制策略[J].电网技术,2015,39(7):1892-1899.Chen Xihan,Gao Ciwei.Active power control strategy for wind farm considering fixed and variable pitch wind turbines combined control[J].Power System Technology,2015,39(7):1892-1899(in Chinese).
- [13]王久和,慕小斌.电网不平衡时电压型PWM整流器混合无源控制[J].电工技术学报,2015,30(8):159-166.Wang Jiuhe,Mu Xiaobin.Hybrid passivity based control of voltage source PWM rectifiers under unbalanced voltage conditions[J].Transactions of China Electrotechnical Society,2015,30(8):159-166(in Chinese).
- [14]程启明,郭凯,程尹曼,等.电压不平衡下双馈感应发电机机侧变换器无源控制方法[J].电力系统自动化,2016,40(19):73-81.Cheng Qiming,Guo Kai,Cheng Yinman,et al.Passivity-based control method for rotor-side converter of doubly-fed induction generator under unbalanced voltage conditions[J].Automation of Electric Power Systems,2016,40(19):73-81(in Chinese).
- [15]贺益康,胡家兵,徐烈.并网双馈异步风力发电机运行控制[M].北京:中国电力出版社,2012.
- [16]Busada CA,Bahia Blanca,Argentina,et al.Current controller based on reduced order generalized integrators for distributed generation systems[J].IEEE Transactions on Industrial Electronics,2012,59(7):2898-2909.
- [17]王健,严干贵,郑超,等.双馈风电机组低电压穿越参考功率优化整定[J].电网技术,2015,39(10):2772-2779.Wang Jian,Yan Gangui,Zheng Chao,et al.Optimal setting of reference power for low voltage ride-though of wind turbines with doubly fed induction generators[J].Power System Technology,2015,39(10):2772-2779(in Chinese).