基于等功率曲线法的多峰值MPPT算法研究
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摘要
为实现光伏阵列最大功率跟踪控制技术的优化,首先对不同温度、光照、遮挡模式下的光伏阵列进行建模分析,由输出特性曲线,深入分析遮挡模式对全局最大功率点的影响。提出一种基于等功率曲线法的最大功率跟踪方法,定性解决了陷入局部极值而使得跟踪失败的问题,可提高光伏阵列的输出功率,为多峰值下最大功率点跟踪技术的研究提供了一种新思路。
In order to realize the optimization of the maximum power tracking control technology of PV array,this paper firstly models and analyzes the PV arrays under the different temperature,illumination and occlusion modes. Through the deep analysis of the influence of the occlusion mode on the global maximum power point from the output characteristics curve,a method of maximum power tracking based on the equal-power curve method is proposed. The method solves the problem of tracking failure owing to trapping in local extreme value qualitatively and improves the output power of the PV array,which provides a new idea for the research of the maximum power point tracking technology under multiple peaks.
In order to realize the optimization of the maximum power tracking control technology of PV array,this paper firstly models and analyzes the PV arrays under the different temperature,illumination and occlusion modes. Through the deep analysis of the influence of the occlusion mode on the global maximum power point from the output characteristics curve,a method of maximum power tracking based on the equal-power curve method is proposed. The method solves the problem of tracking failure owing to trapping in local extreme value qualitatively and improves the output power of the PV array,which provides a new idea for the research of the maximum power point tracking technology under multiple peaks.
引文
[1]戚军,张晓峰,张有兵,等.考虑阴影影响的光伏阵列仿真算法研究[J].中国电机工程学报,2012,32(15):131-138.[1]Qi Jun,Zhang Xiaofeng,Zhang Youbing,et al.Study on simulation algorithm of PV array considering shade effect[J].Proceedings of the CSEE,2012,32(15):131-138.
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[4]Masoum M A,Dehbonei H,Fuchs E F.Theoretical and experimental analyses of photovoltaic systems with voltage and current-based maximum power-point tracking[J].IEEE Transactions on Energy Conversion,2002,17(4):514-522.
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[8]胡义华,陈昊,徐瑞东,等.阴影影响下最大功率点跟踪控制[J].中国电机工程学报,2012,32(9):14-26.[8]Hu Yihua,Chen Hao,Xu Ruidong,et al.Maximum power point tracking under shadowed conditions[J].Proceedings of the CSEE,2012,32(9):14-26.
[9]Ji Young-Hyok,Jung Doo-Yong,KIM Jun-Gu,et al.Areal maximum power point tracking method for mismatching compensation in PV array under partially shaded conditions[J].IEEE Transactions on Power Electronics,2011,26(4):1001-1009.
[10]朱艳伟,石新春,但扬清,等.粒子群优化算法在光伏阵列多峰最大功率点跟踪中的应用[J].中国电机工程学报,2012,32(4):42-48.[10]Zhu Yanwei,Shi Xinchun,Dan Yangqing,et al.Application of PSO algorithm in global MPPT for PVarray[J].Proceedings of the CSEE,2012,32(4):42-48.
[11]Miyatake M,Veerachary M,Toriumi F.Maximum power-point tracking of multiple photovoltaic arrays:APSO approach[J].IEEE Transactions on Aerospace and Electronic Systems,2011,47(1):367-380.
[12]Patel H,Agarwal V.Maximum power point tracking scheme for PV systems operating under partially shaded conditions[J].IEEE Transactions on Industrial Electronics,2008,55(4):1689-1698.
[13]胥芳,张任,吴乐彬,等.自适应BP神经网络在光伏MPPT中的应用[J].太阳能学报,2012,33(3):468-472.[13]Xu Fang,Zhang Ren,Wu Lebin,et al.Self-adaption BP neural network for the maximum-power-point tracking in photovoltaic[J].Acta Energiae Solaris Sinica,2012,33(3):468-472.
[14]杨贵恒.太阳能光伏发电系统及其应用[M].北京:化学工业出版社,2011.[14]Yang Guiheng.Solar photovoltaic power generation system and its application[M].Beijing:Chemical Industry Press,2011.
[15]王俊平.分布式光伏发电系统的效率优化方案研究[D].北京:北京交通大学,2015.[15]Wang Junping.Research on efficiency optimization scheme of distributed photovoltaic power generation system[D].Beijing:Beijing Jiaotong University,2015.
[2]杨奕,王建山,杨元培,等.基于外推追赶迭代法的MPPT算法仿真[J].高电压技术,2017,43(7):2355-2361.[2]Yang Yi,Wang Jianshan,Yang Yuanpei,et al.Simulation of MPPT algorithm based on the extrapolation ehasing method[J].High Voltage Engineering,2017,43(7):2355-2361.
[3]孙博,梅军,郑建勇,等.局部阴影条件下最大功率点跟踪改进算法[J].电力自动化设备,2014,34(1):115-119.[3]Sun Bo,Mei Jun,Zheng Jianyong,et al.Improved MPPT method under partial shading conditions[J].Electric Power Automation Equipment,2014,34(1):115-119.
[4]Masoum M A,Dehbonei H,Fuchs E F.Theoretical and experimental analyses of photovoltaic systems with voltage and current-based maximum power-point tracking[J].IEEE Transactions on Energy Conversion,2002,17(4):514-522.
[5]Esram T,Chapman P L.Comparison of photovoltaic array maximum power point tracking techniques[J].IEEE Transactions on Energy Conversion,2007,22(2):439-449.
[6]Subudhi B,Pradhan R.A comparative study on maximum power point tracking techniques for photovoltaic power system[J].IEEE Transactions on Sustainable Energy,2013,4(1):89-98.
[7]Bidram A,Davoudi A,Balog R S.Control and circuit techniques to mitigate partial shading effects in photovoltaic arrays[J].IEEE Journal of Photovoltaics,2012,2(4):532-546.
[8]胡义华,陈昊,徐瑞东,等.阴影影响下最大功率点跟踪控制[J].中国电机工程学报,2012,32(9):14-26.[8]Hu Yihua,Chen Hao,Xu Ruidong,et al.Maximum power point tracking under shadowed conditions[J].Proceedings of the CSEE,2012,32(9):14-26.
[9]Ji Young-Hyok,Jung Doo-Yong,KIM Jun-Gu,et al.Areal maximum power point tracking method for mismatching compensation in PV array under partially shaded conditions[J].IEEE Transactions on Power Electronics,2011,26(4):1001-1009.
[10]朱艳伟,石新春,但扬清,等.粒子群优化算法在光伏阵列多峰最大功率点跟踪中的应用[J].中国电机工程学报,2012,32(4):42-48.[10]Zhu Yanwei,Shi Xinchun,Dan Yangqing,et al.Application of PSO algorithm in global MPPT for PVarray[J].Proceedings of the CSEE,2012,32(4):42-48.
[11]Miyatake M,Veerachary M,Toriumi F.Maximum power-point tracking of multiple photovoltaic arrays:APSO approach[J].IEEE Transactions on Aerospace and Electronic Systems,2011,47(1):367-380.
[12]Patel H,Agarwal V.Maximum power point tracking scheme for PV systems operating under partially shaded conditions[J].IEEE Transactions on Industrial Electronics,2008,55(4):1689-1698.
[13]胥芳,张任,吴乐彬,等.自适应BP神经网络在光伏MPPT中的应用[J].太阳能学报,2012,33(3):468-472.[13]Xu Fang,Zhang Ren,Wu Lebin,et al.Self-adaption BP neural network for the maximum-power-point tracking in photovoltaic[J].Acta Energiae Solaris Sinica,2012,33(3):468-472.
[14]杨贵恒.太阳能光伏发电系统及其应用[M].北京:化学工业出版社,2011.[14]Yang Guiheng.Solar photovoltaic power generation system and its application[M].Beijing:Chemical Industry Press,2011.
[15]王俊平.分布式光伏发电系统的效率优化方案研究[D].北京:北京交通大学,2015.[15]Wang Junping.Research on efficiency optimization scheme of distributed photovoltaic power generation system[D].Beijing:Beijing Jiaotong University,2015.
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