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Abstract:
模块化多电平换流器(MMC)在电平数较多情况下采用等效模型进行电磁暂态仿真对解决仿真效率低问题具重要意义。实际子模块中存在均压电阻,现有建模方法往往对其进行忽略,本文对含均压电阻的受控源桥臂等效模型建模进行改进简化,进一步提高MMC受控源等效模型仿真的精度和效率。方法通过对MMC子模块开关器件以开关状态形式进行简化,基于递推Dommel等值计算方法,降低子模块电容电压更新计算复杂度进而提高仿真效率。并在PSCAD软件进行仿真分析两种常见详细等值模型,为MMC模型选取提供选择依据。
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电气开关
ISSN: 1004-289X
CN: 21-1279/TM
Year: 2020
Issue: 06
Volume: 58
Page: 32-36
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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