高增益DC-DC变换器在光伏系统中的应用研究Application of high-gain DC-DC converter in photovoltaic system
房绪鹏,闫鹏,赵珂,于志学
摘要(Abstract):
以光伏、燃料电池为代表的新能源产业正逐渐兴起,通过高升压的DC-DC变换器将光伏输出电压提升到常规母线直流电压,用来保证正常的并网逆变,但由于其输出电压等级较低,很难达到应用场合所需的电压要求。为了克服这种缺陷,主要介绍目前光伏发电行业不同应用场合下的高增益直流变换器拓扑,同时对高增益变换器进行分类。把几种高增益直流变换器的拓扑进行总结,并分析其工作原理以及优缺点,指出未来直流变换器拓扑的发展趋势和所面临的挑战。
关键词(KeyWords): 新能源;光伏发电;并网;高增益;DC-DC变换器;电压应力
基金项目(Foundation): 山东省自然科学基金(ZR2009FM017);; 中国博士后科学基金(20090461254)~~
作者(Author): 房绪鹏,闫鹏,赵珂,于志学
DOI: 10.16652/j.issn.1004-373x.2018.03.033
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