宋平岗;李云丰;王立娜;江浪;段程亭;

• 1:华东交通大学电气与电子工程学院

摘要(Abstract)：

修正了能馈阶段直流参考电压下降时的最低值,计算了系统整体停机时间,推导了能耗阶段内能耗电阻选取的表达式。在能馈阶段,考虑桥臂冗余子模块在内,将投入模块数和直流电压协调配合,提出了一种新的停机策略。该策略不仅可以最大程度地将电容中的储存能量反馈至电网,而且大大降低了能耗电阻的耐压等级和功率等级,同时电容电压可以精确地控制在安全电压以下,并且停机速度更快。最后,在Matlab中搭建了基于MMC-HVDC向无源网络供电的仿真系统,仿真结果表明了所提停机策略的有效性。

关键词(KeyWords)： 模块化多电平换流器;柔性直流输电;无源网络;停机策略;能耗电阻

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51367008)~~

作者(Author): 宋平岗;李云丰;王立娜;江浪;段程亭;

Email:

DOI: 10.13335/j.1000-3673.pst.2013.11.040

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