全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2014 

直流微电网中光伏发电系统的比例-积分-谐振控制

DOI: 10.13335/j.1000-3673.pst.2014.02.001, PP. 275-280

Keywords: 直流微电网,光伏发电,直流电压波动,比例-积分-谐振控制,效率优化

Full-Text   Cite this paper   Add to My Lib

Abstract:

直流微电网带动单相交流逆变负载时,直流电压会产生2倍频的周期波动,进而造成联网的光伏发电系统输出功率产生周期波动,无法持续处于最大功率输出点,从而间接降低了其发电效率。为解决上述问题,在分析直流电压周期扰动时的光伏发电系统输出功率特性的基础上,提出了光伏发电系统输出电流的比例-积分-谐振控制策略,比例-积分调节器用于电流的稳态无静差控制,而谐振控制器用于抑制周期扰动。详细分析了所提出方法的稳态误差、稳定性,各控制参数变化对电流控制性能以及直流电压波动抑制效果的影响,给出了各参数选取原则。仿真和实验结果验证了理论分析结果与所提出方法的正确性和可行性。

References

[1]  Chen D, Xu L.Autonomous DC voltage control of a DC microgrid with multiple slack terminals[J].IEEE Trans on Power Systems, 2012, 27(4):1897-1905.
[2]  陆晓楠, 孙凯, 黄立培, 等.直流微电网储能系统中带有母线电压跌落补偿功能的负荷功率动态分配方法[J].中国电机工程学报, 2013, 33(16):37-46.Lu Xiaonan, Sun Kai, Huang Lipei, et al. Dynamic load power sharing method with elimination of bus voltage deviation for energy storage systems in DC micro-grids[J].Proceedings of the CSEE, 2013, 33(16):37-46(in Chinese).
[3]  吴卫民, 何远彬, 耿攀, 等.直流微网研究中的关键技术[J].电工技术学报, 2012, 27(1):98-106.Wu Weimin, He Yuanbin, Geng Pan, et al.Key technologies for DC micro-grids[J].Transactions of China Electrotechical Society, 2012, 27(1):98-106(in Chinese).
[4]  李春华, 朱新坚.基于混合储能的光伏微网动态建模与仿真[J].电网技术, 2013, 37(1):39-46.Li Chunhua, Zhu Xinjian.Dynamic modeling and simulation of hybrid energy storage-based photovoltaic microgrid[J].Power System Technology, 2013, 37(1):39-46(in Chinese).
[5]  丁明, 刘盛.基于遗传算法的多个光伏电源极限功率计算 [J].电网技术, 2013, 37(4):922-926.Ding Ming, Liu Sheng.Calculation of maximum penetration level of multi PV generation systems based on genetic algorithm[J].Power System Technology, 2013, 37(4):922-926 (in Chinese).
[6]  Masoum M A S, Dehbonei H, Fuchs E F.Theoretical and experimental analyses of photovoltaic systems with voltage and current based maximum power-point tracking[J].IEEE Trans on Energy Conversion, 2002, 17(4):514-522.
[7]  Liu F, Duan S, Liu F, et al.A variable step size INC MPPT method for PV systems[J].IEEE Trans on Industrial Electronics, 2008, 55(7):2622-2628.
[8]  Femia N, Petrone G, Spagnuolo G, et al.A technique for improving P&O MPPT performances of double-stage grid-connected photovoltaic systems[J].IEEE Trans on Industrial Electronics, 2009, 56(11):4473-4482.
[9]  刘琳, 陶顺, 郑建辉, 等.基于最优梯度的滞环比较光伏最大功率点跟踪算法[J].电网技术, 2012, 36(8):56-61.Liu Lin, Tao Shun, Zheng Jianhui, et al.Improved maximum power point tracking algorithm for photovoltaic generation based on combination of hysteresis comparison with optimal gradient[J].Power System Technology, 2012, 36(8):56-61 (in Chinese).
[10]  侯世英, 殷忠宁, 薛原, 等.独立光伏系统恒压工作模式下最优工作区的选择[J].电网技术, 2012, 36(6):226-231.Hou Shiying, Yin Zhongning, Xue Yuan, et al.Optimal work area selection of stand-alone photovoltaic generation system under constant-voltage operation mode[J].Power System Technology, 2012, 36(6):226-231(in Chinese).
[11]  Kjaer S B.Evaluation of the hill climbing and the incremental conductance maximum power point trackers for photovoltaic power[J].IEEE Trans on Energy Conversion, 2012, 27(4):922-929.
[12]  钱霞, 袁建华, 高厚磊, 等.直流微电网光伏发电最大功率点追踪方法[J].电力自动化设备, 2012, 32(6):90-93.Qian Xia, Yuan Jianhua, Gao Houlei, et al.MPPT of photovoltaic generation for DC microgrid[J].Electric Power Automation Equipment, 2012, 32(6):90-93(in Chinese).
[13]  刘锦波, 明文龙.一种基于输入/输出反馈线性化的Boost 型 DC/DC 变换器非线性控制方案[J].中国电机工程学报, 2010, 30 (27):55-61.Liu Jinbo, Ming Wenlong.A novel scheme of nonlinear control strategy based on input-output linearization for boost type DC/DC converter[J].Proceedings of the CSEE, 2010, 30(27):55-61(in Chinese).
[14]  邓卫华, 张波, 丘东元, 等.电流连续型Boost变换器状态反馈精确线性化与非线性PID控制研究[J].中国电机工程学报, 2004, 24(8):46-50.Deng Weihua, Zhang Bo, Qiu Dongyuan, et al.The research of state variable feedback linearization method on the CCM Boost converter and nonlinear PID control law[J].Proceedings of the CSEE, 2004, 24(8):45-50(in Chinese).
[15]  帅定新, 谢运祥, 王晓刚, 等.Boost 变换器非线性电流控制方法[J].中国电机工程学报, 2009, 29(15):15-21.Shuai Dingxin, Xie Yunxiang, Wang Xiaogang, et al.Nonlinear current control method for Boost converter[J].Proceedings of the CSEE, 2009, 29(15):15-21(in Chinese).
[16]  乐江源, 谢运祥, 洪庆祖, 等.Boost变换器精确反馈线性化滑模变结构控制[J].中国电机工程学报, 2011, 31(30):16-23.Le Jiangyuan, Xie Yunxiang, Hong Qingzu, et al.Sliding mode control of Boost converter based on exact feedback linearization[J].Proceedings of the CSEE, 2011, 31(30):16-23(in Chinese).
[17]  刘东冉, 陈树勇, 马敏, 等.光伏发电系统模型综述[J]. 电网技术, 2011, 35(8):47-52.Liu Dongran, Chen Shuyong, Ma Min, et al.A review on models for photovoltaic generation system[J].Power System Technology, 2011, 35(8):47-52(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133