| 三相光伏发电系统在小型低压配网中的应用研究 |
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| 引用本文： | 陈益哲,张步涵.三相光伏发电系统在小型低压配网中的应用研究[J].湖北工业大学学报,2010,25(1):15-18. |
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| 作者姓名： | 陈益哲 张步涵 |
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| 作者单位： | 华中科技大学电力安全与高效湖北省重点实验室,湖北,武汉,430074 |
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| 基金项目： | 国家重点基础研究发展计划项目(2009CB219702) |
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| 摘 要： | 研究了光伏电池的数学模型,采用扰动观察法实现在光照变化时的最大功率跟踪.将多组光伏电池串并联,通过boost升压电路连到三相逆变器的直流侧,逆变器的交流侧通过LC滤波器直接连到电网.三相逆变器采用PQ解耦的控制策略,在Matlab/Simulink中建立其详细模型.研究三相光伏发电系统在0.4kV小型低压配网中的应用,分析了低压配网在并网和孤岛运行时的功率电压特性,验证了这种应用的可行性.
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| 关 键 词： | 三相光伏 最大功率跟踪 智能电网 低压配网 |
Research on the Application of Three-phase Photovoltaic Power Generation System in a Small Low-voltage Distribution Network |
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| CHEN Yi-zhe,ZHANG Bu-han.Research on the Application of Three-phase Photovoltaic Power Generation System in a Small Low-voltage Distribution Network[J].Journal of Hubei University of Technology,2010,25(1):15-18. |
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| Authors: | CHEN Yi-zhe ZHANG Bu-han |
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| Affiliation: | Electric Power Security and High Efficiency Lab;Huazhong Univ.of Sci.& Tech.;Wuhan 430074;China |
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| Abstract: | This paper researches on a mathematical model of photovoltaic cells,using perturb and observe method to achieve the maximum power point tracking when the isolation changes.Multiple sets of photovoltaic cells series are paralleled;the boost step up circuit is connected to DC side of the three-phase inverter;the AC side of inverter is connected to the grid through LC filter.PQ decoupled control strategy is used to control Three-phase inverter and the detailed three-phase model is created in the Matlab/Simulin... |
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| Keywords: | three-phase PV MPPT smart-grid low-voltage distribution network |
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