基于交错并联拓扑的微型光伏储能变换器

发布时间：2018-10-26 17:24

【摘要】：提出一种基于交错并联四开关Buck-Boost(FSBB)拓扑的微型光伏储能变换器,该变换器具有输入电压范围宽、电压纹波小、太阳能电池最大功率利用率高的优点,非常适用于单块太阳能电池最大功率获取和能量存储。在此说明了该储能变换器采用交错控制策略下的工作原理,分析了变换器的稳态性能,推导出该变换器的输入电压纹波表达式,并绘制出其主要工作波形。建立了光伏储能变换器的小信号模型,分析了系统的稳定性,并给出补偿网络的设计方法。最后通过原理样机验证了新型拓扑应用的有效性。
[Abstract]:A miniature photovoltaic energy storage converter based on interleaved four-switch Buck-Boost (FSBB) topology is proposed. The converter has the advantages of wide input voltage range, small voltage ripple and high maximum power efficiency of solar cells. Very suitable for single solar cell maximum power acquisition and energy storage. In this paper, the working principle of the energy storage converter under interleaved control strategy is explained, the steady state performance of the converter is analyzed, the expression of the input voltage ripple of the converter is deduced, and the main working waveform is drawn. The small signal model of photovoltaic energy storage converter is established, the stability of the system is analyzed, and the design method of compensation network is given. Finally, the validity of the new topology application is verified by the principle prototype.
【作者单位】：同济大学电气工程系;
【基金】：浙江省科技计划项目(2013C01063) 中央高校基本科研业务费专项资金资助项目(0800219170)~~
【分类号】：TM46;TM615

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