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Research on operational characteristic in grid mode of microgrid with multiple micro sources
Author(s): 
Pages: 50-54
Year: Issue:  4
Journal: Renewable Energy Resources

Keyword:  微网 直流电压控制 PQ控制;
Abstract: 文章以永磁同步风力发电机、光伏发电系统、蓄电池储能系统建立了混合微网结构模型。为了充分发挥各微源的优势并保证微网的供电质量,对各微源控制器采用不同控制策略进行。对风力发电系统采用改进PQ控制、光伏发电DC/DC变换器进行最大功率跟踪法控制以及蓄电池采用定直流电压控制来维持直流母线电压。文章基于PSCAD/EMTDC软件对系统不同运行工况进行仿真,结果表明控制策略具有正确性及可行性。
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