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高压电器  2015 

级联多电平动态电压恢复器的研究与设计

DOI: 10.13296/j.1001-1609.hva.2015.07.026, PP. 130-135

Keywords: 动态电压恢复器,电能质量,电压波动,级联多电平

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Abstract:

动态电压恢复器(dynamicvoltagerestorer,DVR)是解决电压暂升暂降的有效途径,保证用户侧敏感负荷的供电质量。文中研究了额定电压10kV额定补偿容量1MV?A的动态电压恢复器的系统设计及实验方案,针对系统主电路结构及拓扑、储能选择、滤波器设计、控制策略、工作模式等方面进行了详细的方案设计。对研制的DVR进行了补偿精度及谐波、跌落识别及响应时间测试等实验,结果表明该装置性能优越,响应速度快,补偿精度高,能有效提高供电质量。

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