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不平衡电网电压下光伏并网逆变器功率/电流质量协调控制策略

DOI: 10.13334/j.0258-8013.pcsee.2014.03.004, PP. 346-353

Keywords: 不平衡电网电压,光伏并网逆变器,电流质量,功率波动

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Abstract:

不平衡电网电压下系统输出功率和电流质量是光伏并网逆变器重要的性能指标。首先分析不平衡电网电压下光伏并网逆变器电流谐波产生的机理和系统输出功率波动的原因,并进行量化分析。然后提出一种静止坐标系控制策略,采用瞬时功率直接计算电流参考指令,无需锁相环和电压/电流正负序分离计算,简化了控制结构。利用加权思想实现光伏并网逆变器功率/电流质量的协调控制,提高了系统运行性能。最后进行不平衡电网电压下的仿真和实验研究,结果验证了提出方法的可行性和有效性。

References

[1]  赵争鸣, 刘建政, 孙晓瑛, 等.太阳能光伏发电及其应用[M].北京:科学出版社, 2005.Zhao Zhengming, Liu Jianzheng, Sun Xiaoying, et al.Photovoltaic power generation and its application [M].Beijing:Science Press, 2005(in Chinese).
[2]  吴春华, 陈国呈, 丁海洋, 等.一种新型光伏并网逆变器控制策略[J].中国电机工程学报, 2007, 27(33):103-107.Wu Chunhua, Chen Guocheng, Ding Haiyang, et al.A novel control strategy for photovoltaic grid-connected inverter[J].Proceedings of the CSEE, 2007, 27(33):103-107(in Chinese).
[3]  郭小强, 邬伟扬, 赵清林, 等.三相并网逆变器比例复数积分电流控制技术[J].中国电机工程学报, 2009, 29(15):8-14.Guo Xiaoqiang, Wu Weiyang, Zhao Qinglin, et al.Current regulation for three-phase grid-connected inverters based on proportional complex integral control[J].Proceedings of the CSEE, 2009, 29(15):8-14(in Chinese).
[4]  Song H, Nam K.Dual current control scheme for PWM converter under unbalanced input voltage conditions[J].IEEE Transactions on Industrial Electronics, 1999, 46(5):953-959.
[5]  Reyes M, Rodriguez P, Vazquez S, et al.Enhanced decoupled double synchronous reference frame current controller for unbalanced grid-voltage conditions[J].IEEE Transactions on Power Electronics, 2012, 27(9):3934-3943.
[6]  Etxeberria-Otadui I, Viscarret U, Caballero M, et al.New optimized PWM VSC control structures and strategies under unbalanced voltage transients[J].IEEE Transactions on Industrial Electronics, 2007, 54(5):2902-2914.
[7]  王萌, 夏长亮, 宋战锋, 等.不平衡电网电压条件下PWM整流器功率谐振补偿控制策略[J].中国电机工程学报, 2012, 32(21):46-53.Wang Meng, Xia Changliang, Song Zhanfeng, et al.A power resonance compensation control strategy for PWM rectifiers under unbalanced grid voltage conditions[J].Proceedings of the CSEE, 2012, 32(21):46-53(in Chinese).
[8]  张兴, 季建强, 张崇巍, 等.基于内模控制的三相电压型PWM整流器不平衡控制策略研究[J].中国电机工程学报, 2005, 25(13):51-56.Zhang Xing, Ji Jianqiang, Zhang Chongwei, et al.Study of internal model control based three-phase PWM rectifier under unbalanced input voltage condition[J].Proceedings of the CSEE, 2005, 25(13):51-56(in Chinese).
[9]  Hu J, He Y.Reinforced control and operation of DFIG-based wind generation system under unbalanced grid voltage conditions[J].IEEE Transactions on Energy Conversion, 2009, 24(4):905-915.
[10]  Li Z, Li Y, Wang P, et al.Control of three phase boost-type PWM rectifier in stationary frame under unbalanced input voltage[J].IEEE Transactions on Power Electronics, 2010, 25(10):2521-2530.
[11]  Daniel R, Radu I, Leonardo R, et al.New stationary frame control scheme for three-phase PWM rectifiers under unbalanced voltage dips conditions[J].IEEE Transactions on Industry Applications, 2010, 46(1):268-277.
[12]  蔡文, 刘邦银, 段善旭, 等.三相不对称条件下的电网阻抗检测方法[J].中国电机工程学报, 2012, 32(18):37-42.Cai Wen, Liu Bangyin, Duan Shanxu, et al.A grid impedance detection method under unbalanced three-phase conditions[J].Proceedings of the CSEE, 2012, 32(18):37-42(in Chinese).
[13]  Castilla M, Miret J, Sosa J, et al.Grid fault control scheme for three-phase photovoltaic inverters with adjustable power quality characteristics[J].IEEE Transactions on Power Electronics, 2010, 25(12):2930-2940.
[14]  Wang F, Duarte J, Hendrix M.Pliant active and reactive power control for grid interactive converters under unbalanced voltage dips[J].IEEE Transactions on Power Electronics, 2011, 26(5):1511-1521.
[15]  Tang Y, Loh P, Wang P, et al.Exploring inherent damping characteristic of LCL-filters for three-phase grid connected voltage source inverters[J].IEEE Transactions on Power Electronics, 2012, 27(3):1433-1443.
[16]  IEEE.IEEE Std.929-2000 IEEE recommended practice for utility interface of photovoltaic(PV)systems[S].2000.
[17]  Figueres E, Espłn F.Sensitivity study of the dynamics of three-phase photovoltaic inverters with an LCL grid filter[J].IEEE Transactions on Industrial Electronics, 2009, 56(3):706-717.
[18]  Pena-Alzola R, Liserre M, Blaabjerg F, et al.Analysis of the passive damping losses in LCL-filter-based grid converters[J].IEEE Transactions on Power Electronics, 2013, 28(6):2642-2646.
[19]  Liserre M, Teodorescu R, Blaabjerg F.Stability of photovoltaic and wind turbine grid-connected inverters for a large set of grid impedance values[J].IEEE Transactions on Power Electronics, 2006, 21(1):263-272.
[20]  Hu J, He Y.Modeling and control of grid-connected voltage-sourced converters under generalized unbalanced operation conditions[J].IEEE Transactions on Energy Conversion, 2008, 23(3):903-913.

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