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Research on Grid-Connected Inverters based on a Multiple Structure
Author(s): 
Pages: 17-19
Year: Issue:  1
Journal: POWER ELECTRONICS

Keyword:  逆变器/多重化并网;
Abstract: 多重化逆变器拓扑自身拥有变压器隔离的优点,在与电网并联时,可实现安全隔离,并能承受一定的无功环流,可靠性较高,维护减少,尤其适用于偏远地区的新能源发电系统.本文基于多重化结构的逆变器,研究了该系统并网时的特性,分析了逆变器并网工作的原理,根据系统控制方法的特点,可靠地解决了并网工作中常见的"孤岛"问题.通过样机的研制,验证了并网工作时控制方法的正确性.该样机的主要参数为:容量3kVA;输入直流电压24V,交流输出电压220V/50Hz.
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