Research of Photovoltaic Charging System with Maximum Power Point Tracking based on DSP

被引：0
|
作者：
Zhao, Yizhi [1 ]
Liu, Qian [2 ]
Zhang, Qi [1 ]
机构：
[1] North China Inst Aerosp Engn, Continuing Educ Coll, Langfang 065000, Peoples R China
[2] North China Inst Aerospace Engn, Dept Elect Engn, Langfang 065000, Peoples R China
来源：
MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY | 2014年 / 556-562卷
关键词：
Maximum Power Point Tracking; Photovoltaic Charging;
D O I：
10.4028/www.scientific.net/AMM.556-562.1716
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
According to the output characteristics of photovoltaic (PV) array and battery charging characteristics, this article used DSP to design a PV charging system with maximum power point tracking (MPPT), and the three-state charging method was implemented on it. The incremental conductance (INC) algorithm was applied in fast-charge stage to track maximum power point. PI regulator algorithm was exploited to realize constant voltage charge in the stage of over-charge and float-charge, and the charge voltage was compensated by the sampling temperature. Experimental and simulation results indicated that this method can be used to improve the energy efficiency of PV cell, and extend the lifetime of battery.
引用
收藏
页码：1716 / +
页数：2
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