| 基于开路电压法光伏电池最大功率追踪器 |
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| 引用本文： | 钟长艺,康龙云,聂洪涛,李贞姬.基于开路电压法光伏电池最大功率追踪器[J].电力电子技术,2011,45(7). |
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| 作者姓名： | 钟长艺 康龙云 聂洪涛 李贞姬 |
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| 作者单位： | 1. 华南理工大学,广东广州510640;广东绿色能源技术重点实验室,广东广州510640
2. 南方医科大学,广东广州,510515 |
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| 摘 要： | 光伏电池的最大功率点跟踪(MPPT)对提高太阳能的利用率以及充分利用太阳能所转换的能量而言至关重要。由于开路电压法特别适用于小功率光伏发电系统,因此选择开路电压法作为MPPT的控制方法。在分析了设计需求后,设计了基于单片机控制的开路电压法光伏电池最大功率追踪器,并采用大容量电源负载装置模拟电源功能模拟的光伏电池进行实验,设计的最大功率追踪器效率可达85%以上,特别适合应用在要求低成本小功率的太阳能LED路灯工程中。
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| 关 键 词： | 光伏电池 最大功率点跟踪 开路电压法 |
Maximum Power Point Tracker Based on Open-circuit Voltage Method |
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| ZHONG Chang-yi,KANG Long-yun,NIE Hong-tao,LI Zhen-ji.Maximum Power Point Tracker Based on Open-circuit Voltage Method[J].Power Electronics,2011,45(7). |
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| Authors: | ZHONG Chang-yi KANG Long-yun NIE Hong-tao LI Zhen-ji |
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| Affiliation: | ZHONG Chang-yi1,2,KANG Long-yun1,NIE Hong-tao1,LI Zhen-ji3(1.South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | The maximum power point tracking(MPPT) is very important for the photovoltaic cell to improve the ener-gy utilization efficiency and make full use of the switching energy.The open-circuit voltage control method is used.Af-ter analyzing the design requirement,a maximum power point tracker based on the open-circuit voltage method con-trolled by single-chip microcomputer is designed.In the experiment,the active power load device is used to simulate the photovoltaic cell.The tracking efficiency of the designed ... |
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| Keywords: | photovoltaic cell maximum power point tracking open-circuit voltage method |
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