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电网技术  2006 

级联型换流器在超导储能系统中的应用

, PP. 54-58

Keywords: 超导储能,换流器,级联型电路,电压补偿,谐波,电力电子技术

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Abstract:

超导储能用大功率换流器的选择直接影响了超导储能系统的工作性能。比较了近年来常用的大功率换流电路的特点,阐述了采用级联型电路作为超导储能用大功率换流器的思路,并给出了级联型模块化的超导储能电路拓扑结构。提出了超导储能装置低延迟电压补偿算法及谐波提取算法,并进行了原理仿真,结果表明超导储能系统采用级联型换流器能够有效地进行有源滤波和电压补偿工作,使电压暂降得到快速补偿,并基本上消除了系统谐波。

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