期刊文献+

大功率光伏逆变电抗器损耗分析与优化设计 被引量:5

The Loss Analysis and Optimal Design of Inductor for High-powered PV Inverter
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摘要 光伏逆变器损耗主要为IGBT损耗和电抗器损耗,分析光伏逆变电抗器损耗对提高光伏逆变器的效率具有重要意义。基于一个容量为500k VA的三相光伏逆变器,从绕组损耗和铁芯损耗两方面详细分析电抗器的损耗,得出铝箔绕组匝数和厚度与电抗器损耗的关系,并分析了不同负载下电抗器的损耗特性,最后,引入欧洲效率的概念,得出使欧洲效率最大的铝箔匝数和厚度。 The main losses of PV inverter are IGBT loss and inductor loss. It is of great significance in improving the ef- ficiency of PV inverter for analyzing the loss of the inductor for PV inverter. This paper was based on a 500kVA 3-phase PV inverter. In this paper, the loss of inductor was analyzed from two aspects of winding loss and core loss, and acquired the relationship between the loss of inductor and winding turn numbers and foil thickness. The loss characteristics of in- ductor with different power ratings were analyzed in this paper. Finally, the winding turn numbers and foil thickness that can get the maximum European efficiency was reached based on European efficiency.
出处 《电气开关》 2015年第5期30-33,37,共5页 Electric Switchgear
基金 福建省自然基金(2014J01178)
关键词 光伏逆变电抗器 损耗 欧洲效率 优化 inductor of PV inverter loss EU efficiency optimization
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参考文献10

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二级参考文献19

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