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A New MPPT Control Method of Photovoltaic Grid-connected Inverter System

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成果类型:
会议论文
作者:
Li Sheng-qing*;Zhang Bin;Xu Tian-jun;Yang Jun
通讯作者:
Li Sheng-qing
作者机构:
[Yang Jun; Li Sheng-qing; Zhang Bin; Xu Tian-jun] Hunan Univ Technol, Coll Elect & Informat Engn, Zhuzhou 412007, Peoples R China.
通讯机构:
[Li Sheng-qing] Hunan Univ Technol, Coll Elect & Informat Engn, Zhuzhou 412007, Peoples R China.
语种:
英文
关键词:
Photovoltaic system;MPPT;AFSA;Single-stage system
期刊:
26TH CHINESE CONTROL AND DECISION CONFERENCE (2014 CCDC)
ISSN:
1948-9439
年:
2014
页码:
2753-2757
会议名称:
第26届中国控制与决策会议
会议时间:
2014-05-31
会议地点:
中国湖南长沙
文献类别:
WOS:Proceedings Paper
所属学科:
WOS学科类别:Automation & Control Systems
入藏号:
基金类别:
supported by National Natural Science Foundation of China(No 51077046);Hunan Provincial Natural Science Foundation of China(No 14JJ2116);the Construct Program of the Key Discipline in Hunan Province(No 201176)
机构署名:
本校为第一且通讯机构
院系归属:
电气与信息工程学院
摘要:
Photovoltaic grid-connected inverter system has the advantages of simple topology and low cost. Since the output power of photovoltaic devices is a nonlinear function of the external environment load, to maximize the performance of photovoltaic devices, Maximum Power Point Tracking (MPPT) control should adjust the duty cycle disturbance based on the work of photovoltaic devices. Although MPPT control with using conventional perturbation and observation method has the advantages of simple in structure and easy to implement the hardware circuit, but the control is imprecise and general poor. Therefore, aiming at the potential inadequacies of using the traditional MPPT control algorithm in a single-stage photovoltaic inverter system, in this paper, the traditional MPPT algorithm is proposed based on a new control algorithm, the artificial fish swarm algorithm is applied to MPPT control of a single-stage photovoltaic grid-connected system. Parameter settings of AFSA are changed through simulation to seek the optimal power value, and this control method is compared with the traditional MPPT control method P&O, simulation and experiment have demonstrated the reliability and effectiveness of the algorithm.
参考文献:
Altas IH, 2008, RENEW ENERG, V33, P388, DOI 10.1016/j.renene.2007.03.002
Chao Zhang, 2009, 2009 4th IEEE Conference on Industrial Electronics and Applications, P2180, DOI 10.1109/ICIEA.2009.5138584
Gu Junyin, 2012, Proceedings of the CSEE, V32, P149
[李晶 Li Jing], 2007, [太阳能学报, Acta Energiae Solaris Sinica], V28, P268
Li X. L., 2002, SYSTEMS ENG THEORY P, P32

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