具有功率去耦纹波口的直流电压纹波最小化光伏逆变器

2017 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2017-11-01 DOI:10.1109/ROPEC.2017.8261648

L. A. Valle, S. E. J. J. Rodríguez, N. J. J. Martinez, R. J. Pérez, J. Beristáin

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引用次数: 3

摘要

单相光伏逆变器存在双线频电压纹波，这意味着它需要一个笨重的电容器来减少这个问题，然而，它会导致功率密度降低。本文的方法是为了获得较高的转换效率，采用薄膜电容器代替电解电容器，以减小双线频电压纹波。仿真结果证实了所提出的拓扑结构的合理运行，表明光伏发电向电网的注入与直流链路电压纹波的衰减是同步进行的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Photovoltaic inverter with power decoupling ripple-port for DC voltage ripple minimization

A single-phase photovoltaic inverter presents a double line frequency voltage ripple which means it needs a bulky capacitor for reducing this issue, however, it causes power density decreases. The approach of this paper is to obtain high conversion efficiency, using film capacitors instead of the electrolytic capacitors in order to minimize double-line-frequency voltage ripple. Proper operation of the proposed topology has been corroborated through simulation results, showing that the injection of photovoltaic power to the grid and attenuated dc-link voltage ripple are carried out simultaneously.

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2017 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)

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