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Topologies and charging strategies of the dynamic voltage restorer with flywheel energy storage
Author(s): 
Pages: 317-321
Year: Issue:  3
Journal: Electric Machines and Control

Keyword:  动态电压恢复器飞轮储能拓扑结构充电策略;
Abstract: 基于飞轮储能的动态电压恢复器的传统拓扑结构采用辅助整流器给飞轮充电,提高了系统的复杂程度,也增加了成本.为此,提出了两种新型拓扑结构:并联结构和串联结构.并联结构通过引入转换开关,使动态电压恢复器的电压源型变换器工作于整流状态给飞轮充电;串联结构使动态电压恢复器的电压源型变换器工作于逆变状态给飞轮充电,进一步简化了结构.并针对串联结构提出了自充电策略.最后将3种拓扑结构在经济和系统性能等方面进行了比较.实验结果验证了拓扑结构和充电策略的正确性.
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