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高压电器  2014 

基于MMC平均值模型的柔性直流 输电系统海底电缆故障过电压计算

, PP. 99-104

Keywords: MMC,柔性直流输电系统,海底电缆,平均值模型,过电压

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Abstract:

模块化多电平换流器(modularmultilevelconverter,MMC)具有调制简单、开关频率低、谐波分量小等优点,在柔性直流输电系统,尤其是跨海域的电能传输中得到了广泛的应用。笔者采用了MMC换流站平均值模型,提出了一种简化的计算海底电缆直流故障时过电压的计算方法,节省了计算量,仿真结果与详细模型十分接近。

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