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小型风光互补独立供电系统的研究与设计

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针对目前小型风光互补发电系统的不足,通过对光伏发电和风电各自实现最大功率点跟踪(MPPT)的原理和控制方进行分析和研究,提出了一种新的分类最优控制法.这种方法根据不同环境条件采用不同的控制方式,在小型风光互补独立发电中用一个Boost变换器同时实现风电和光伏发电的MPPT;同时系统对蓄电池采用带有循环成分的浮充制以延长其寿命.实验结果表明该方案性能稳定,能较好地同时实现风电和光电的MPPT,系统成本有所降低,在小型风光互补发电系统中有较高的推广价值.
Research and Design of Small Wind/PV Hybrid Independent Generation System
As to the current defects of small wind and solar power generation system,through analysis and research of the principle and control method of the maximum power point tracking (MPPT) realized by PV and Wind power system respectively,a novel optimized control methods for classifying is proposed.By using this method,different control modes are used under different environmental conditions,and one boost converter is used to achieve wind power and photovoltaic maximum power point tracking (MPPT)simultaneously in small wind/PV hybrid independent generation system.At the same time,floating charge with cycle components is adopted to extend battery life in this system.Experimental results show that this scheme can keep system stable,and system can achieve wind power and photovoltaic MPPT simultaneously with low cost,which has high popularization value in small wind/PV hybrid generating system.

optimized control of classificationduty cycle microincreasing methodwind/PV hybrid generation systemMPPTduty cycle perturbation methodoptimized configuration

张波、汪义旺、李响

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苏州市职业大学电子信息工程系,江苏苏州215104

江苏省光伏发电工程技术研究开发中心,江苏苏州 215104

分类最优控制 占空比微增法 风光互补 MPPT 占空比扰动法 优化配置

2012年江苏省大学生实践创新训练计划项目江苏省"青蓝工程"资助

2012JSSPITP4077

2013

现代电力
华北电力大学

现代电力

CSTPCD北大核心
影响因子:0.807
ISSN:1007-2322
年,卷(期):2013.30(4)
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