Research on Sun Ray Angle Measurement

摘要：

Considering on-off signal based sun ray angle measurement with low precision and using many photosensitive components,analog based measurement with small range and the characteristics difference between photosensitive components,a new measurement method is put forward in which angles are calculated through the short circuit current curves with rotation of a single solar cell. The sun ray angles are calculated by the amplitudes and phase of fundamental wave and secondary harmonic extracted from DFT in different characteristic of short circuit current while sun ray radiating the fa?ade and inverse face of the cell with cells rotation which eliminates the affection of reflection.Short circuit current characteristic with rotation angle is derived and test results are presented which shows its effectiveness.

关键词： Solar energy Sun ray angle Sun tracing Phase detection

作者: Yang Peng Xia Yang Shi Wang-wang Liu Song Zhu Yan-qing

作者单位: Energy and Power Engineering College of Yangzhou University,Yangzhou 225009,China

会议类型: 国际会议

会议名称: 2009 International Conference on Information,Electronic and Computer Science(2009 国际信息、电子与计算机工程学术会议)

会议地点: 青岛

会议语种:英文

页码: 406-410

在线出版日期: 2009-11-21（万方平台首次上网日期，不代表论文的发表时间）