| 储能设备获最大功率的改进型光伏充电系统设计 |
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| 引用本文： | 韩旭同,胡方明,任爱锋,罗铭.储能设备获最大功率的改进型光伏充电系统设计[J].物联网技术,2012(6):49-52,55. |
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| 作者姓名： | 韩旭同 胡方明 任爱锋 罗铭 |
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| 作者单位： | 西安电子科技大学生命科学技术学院;西安电子科技大学电子工程学院物联网与信息技术研究中心 |
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| 基金项目： | 中央高校基本科研业务经费专项基金(K50510020034) |
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| 摘 要： | 针对光伏充电系统中能量利用率不高的问题,给出了改进型光伏充电系统的硬件及软件系统的设计方法。该系统基于低功耗单片机MSP430F1611,利用扰动观察法,通过控制数字电位器来间接调节MPPT变换器的输出电压,从而光伏电池功率与MPPT变换器效率在比值最优的情况下,可使得储能设备获得最大功率。经过仿真验证,该方法可以达到预期的效果,储能设备在同等条件下能获得更多的电能。
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| 关 键 词： | 光伏系统 MPPT变换器 MSP430F1611 扰动观察法 |
Improved PV charging system design enabling maximum power for energy storage devices |
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| HAN Xu-tong,HU Fang-ming,REN Ai-feng,LUO Ming.Improved PV charging system design enabling maximum power for energy storage devices[J].Internet of things technologies,2012(6):49-52,55. |
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| Authors: | HAN Xu-tong HU Fang-ming REN Ai-feng LUO Ming |
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| Affiliation: | 1.School of Life Sciences & Technology,Xidian University,Xi’an 710071,China;2.School of Electronic Engineering,Xidian University,Xi’an 710071,China) |
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| Abstract: | Aiming at the low energy efficiency of the photovoltaic charging system,this paper presents the hardware and software design of an improved PV charging system.The system based on low-power micro-controller MSP430F1611 uses perturbation and observation method and controls the digital potentiometer to regulate the output voltage of the MPPT converter.Thus the energy storage devices could obtain the maximum power when the ratio of PV cells power and MPPT converter efficiency is optimal.After simulation,we achieve the desired results,and the energy storage devices could get more power under the same conditions. |
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| Keywords: | PV system MPPT converter MSP430F1611 perturbation and observation method |
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