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快速响应的交交型动态电压恢复器

, PP. 242-247

Keywords: 交交变换,动态电压恢复器,虚拟整流逆变,单周期控制

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Abstract:

传统的电压源逆变型动态电压恢复器中的直流储能环节体积重量大,不易集成。交交变换技术可以省去直流环节而实现动态电压补偿,更加经济节约。虚拟整流逆变拓扑作为主电路拓扑,结构简洁,并且能够实现自然换流;单周期控制精度高,动态跟踪性能佳,控制鲁棒性好,应用于动态电压恢复器可以更好地满足动态电压恢复器特殊的快速性要求。在理论分析的基础上,研制实验样机进行了实验验证,实验结果验证了变换器的可行性以及单周期控制良好的动态特性。

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