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首页> 外文期刊>Renewable energy >Integrating photovoltaic and power converter characteristics for energy extraction study of solar PV systems
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Integrating photovoltaic and power converter characteristics for energy extraction study of solar PV systems

机译：整合光伏和功率转换器特性，用于太阳能光伏系统的能量提取研究

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摘要

Solar photovoltaic (PV) energy is becoming an increasingly important part of the world's renewable energy. A grid-connected solar PV system consists of solar cells for energy extraction from the sun and power converters for grid interface. In order for effective integration of the solar PV systems with the electric power grid, this paper presents solar PV energy extraction and conversion study by combining the two characteristics together to examine various factors that may affect the design of solar PV systems. The energy extraction characteristics of solar PV cells are examined by considering several practical issues such as series and parallel connections, change of temperatures and irradiance levels, shading of sunlight, and bypassing and blocking diodes. The electrical characteristics of power converters are studied by considering physical system constraints such as rated current and converter linear modulation limits. Then, the two characteristics are analyzed in a joint environment. An open-loop transient simulation using SimPowerSystem is developed to validate the effectiveness of the characteristic study and to further inspect the solar PV system behavior in a transient environment. Extensive simulation study is conducted to investigate performance of solar PV arrays under different conditions.
机译：太阳能光伏（PV）能源正成为世界可再生能源中越来越重要的一部分。并网太阳能光伏系统由用于从太阳中提取能量的太阳能电池和用于电网接口的功率转换器组成。为了有效地将太阳能光伏系统与电网整合在一起，本文通过结合这两个特性来研究可能影响太阳能光伏系统设计的各种因素，从而提出了太阳能光伏能量的提取和转换研究。通过考虑几个实际问题来研究太阳能光伏电池的能量提取特性，例如串联和并联，温度和辐照度的变化，阳光的遮蔽以及旁路和阻塞二极管。通过考虑物理系统约束（例如额定电流和转换器线性调制极限）来研究功率转换器的电气特性。然后，在联合环境中分析这两个特性。开发了使用SimPowerSystem的开环瞬态仿真，以验证特性研究的有效性并进一步检查瞬态环境中太阳能光伏系统的行为。进行了广泛的仿真研究，以研究太阳能光伏阵列在不同条件下的性能。

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  • 来源
    《Renewable energy》 |2011年第12期|p.3238-3245|共8页
  • 作者

    Shuhui Li; Timothy A. Haskew; Dawen Li; Fei Hu;

  • 作者单位

    Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA;

    Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA;

    Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA;

    Department of Electrical and Computer Engineering, University of Alabama, Tuscaloosa, AL 35487, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    solar power; photovoltaic cell; power converter; maximum energy extraction; grid interface; modeling and simulation;

    机译：太阳能;光伏电池;功率变换器;最大能量提取;电网接口;建模与仿真;

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