北京航空航天大学学报 ›› 2014, Vol. 40 ›› Issue (6): 737-741.doi: 10.13700/j.bh.1001-5965.2013.0428

• 论文 • 上一篇    下一篇

便携式太阳电池特性参数获取系统

肖文波, 卓儒盛, 曹期军, 曹华翔   

  1. 南昌航空大学 无损检测技术教育部重点实验室, 南昌 330063
  • 收稿日期:2013-07-29 出版日期:2014-06-20 发布日期:2014-07-03
  • 作者简介:肖文波(1975- ),男,江西南昌人,副教授,xiaowenbo1570@163.com.
  • 基金资助:

    江西省自然科学基金资助项目(20132BAB202003);集成光电子学国家重点联合实验室开放课题资助项目(IOSKL2012KF14)

Development for portable system of solar cell parameters acquisition

Xiao Wenbo, Zhuo Rusheng, Cao Qijun, Cao Huaxiang   

  1. Key Laboratory of Nondestructive Testing, Ministry of Education, Nanchang Hangkong University, Nanchang 330063, China
  • Received:2013-07-29 Online:2014-06-20 Published:2014-07-03

摘要: 为了快速以及准确地获取太阳电池的特性参数(包括光生电流、反向饱和电流、二极管理想因子、串联电阻、并联电阻、短路电流、开路电压、最大输出功率、最佳工作电压、最佳工作电流和填充因子等11个参数),研制了一套由太阳模拟器模块、控制及处理模块、电子负载模块、信号采集模块、按键模块和显示模块6个部分构成的测试系统.该系统的主要特点在于,依次采用程控恒流型和恒压型电子负载以及变频采样技术,实现太阳电池电流与电压信号高精度测量;集成太阳电池参数解析提取算法进入数字信号处理芯片,实现便携式提取电池光生电流等参数.对不同光强下单晶硅太阳电池的测量以及数据拟合,获取了11个特性参数;并得到拟合曲线中电流最大均方误差小于0.006 A,证实参数获取是正确的.

Abstract: In order to fulfill rapid and accurate acquisition of the solar cell photoelectric characteristic eleven parameters (including the photocurrent, reversed saturation current, ideality factor, series resistance, shunt resistance, short circuit current, open circuit voltage, maximum output power, best working voltage, best working current and fill factor), a testing system, that consists of six parts (including the sun simulator module, control and processing module, electronic loads module, signal collection module, key input module and display output module), was developed. The main features of the system are that, programmable constant current and voltage electronic load and sampling frequency conversion technique are used to realize an accurate measurement of current and voltage, after integrating solar cell parameters analytical extraction algorithm into the digital signal processing chip, the cell parameters, for example, photocurrent, can be acquired conveniently. The results show that the mean square error of current-voltage curve fitting of a mono-crystalline silicon solar cell under different light intensities is less than 0.006 A, which proves that the obtained eleven parameters are correct.

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