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柔性光伏电池阵列电气参数建模研究

66    2020-05-27

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作者:陈功1,2, 许杨1,2, 袁鑫1, 朱颖1, 李洁玲1, 王玮1, 李雪莲1, 蔡磊1,2

作者单位:1. 常州工学院电气信息工程学院, 江苏 常州 213032;
2. 常州大学机械工程学院, 江苏 常州 213164


关键词:弯曲度;柔性光伏阵列;数学模型;电气参数


摘要:

弯曲特性使柔性光伏电池输出呈现光照不均匀性特性,现有的常规光伏电池模型不再适用。以光伏电池的工程用数学模型为基础,结合光伏阵列串并联电路理论,对不同弯曲度的光伏单体阵列进行分析,从理论上得到以分段函数所表征的柔性光伏电池阵列以及光照强度-弯曲度数学模型,用所建模型对弯曲条件下具体光伏阵列在不同单体数量、弯曲度、光源距离、光照条件下的工作情况进行仿真分析及计算,并对其进行实测条件下的实验验证。实验结果表明:相比于传统模型,所提出数学模型更能准确描述弯曲条件下光伏阵列的电气输出特性。


Research on electrical parameters model for flexible photovoltaic cell array
CHEN Gong1,2, XU Yang1,2, YUAN Xin1, ZHU Ying1, LI Jieling1, WANG Wei1, LI Xuelian1, CAI Lei1,2
1. School of Electrical and Information Engineering, Changzhou Institute of Technology, Changzhou 213032, China;
2. School of Mechanical Engineering, Changzhou University, Changzhou 213164, China
Abstract: The bending characteristics make the output of the flexible photovoltaic cell exhibit uneven light characteristics, and the existing conventional photovoltaic cell model is no longer applicable. Based on the mathematical model of photovoltaic cell engineering, combined with the photovoltaic array series-parallel circuit theory, the photovoltaic monomer arrays with different degrees of curvature are analyzed. The flexible photovoltaic cell array characterized by the piecewise function and the light intensity-mathematical model of bending degree are obtained. The model is applied to simulate and analyze the working conditions of specific photovoltaic arrays under different bending conditions, number of bends, light source distance, and lighting conditions, and perform experimental verification under actual measurement conditions. Results show that the proposed mathematical model can describe accurately the electrical output characteristics of the photovoltaic array under bending conditions compared to the traditional model.
Keywords: bending degree;flexible photovoltaic array;mathematical model;electrical parameters
2020, 46(5):134-142  收稿日期: 2019-10-19;收到修改稿日期: 2019-12-21
基金项目: 江苏省科技成果转化专项资金项目(BA2019068);无损检测技术教育部重点实验室(南昌航空大学)开放基金(EW201980089);江苏省高校文化创意协同创新中心资助课题(XYN1805);江苏省产学研合作项目(BY2019086);江苏省高校“青蓝工程”资助(苏教师﹝2017﹞15号)
作者简介: 陈功(1979-),男,江苏常州市人,副教授,博士,研究方向为光伏板、镀膜机状态诊断
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