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Multilevel convertor as reactive power compensator with active power balancing

机译:多电平转换器作为具有无功功率平衡的无功功率补偿器

摘要

The method involves multiplying phase voltage values (U2-U4) with respective weighting factors (ga-gc). The voltage values are added to phase current values (IL2-IL4). A zero current (I0) is determined based on asymmetrical components (w', b') such that an asymmetrical real power flow of a multilevel converter is symmetrized. A control state (A) for converter strands (8-10) is determined based on the modified phase current values. The strands are controlled corresponding to the determined control state. Independent claims are also included for the following: (1) a computer program comprising instructions for performing a method for operating a multilevel converter (2) a control device for performing a method for operating a multilevel converter.
机译:该方法包括将相电压值(U2-U4)与相应的加权因子(ga-gc)相乘。将电压值添加到相电流值(IL2-IL4)。基于不对称分量(w',b')确定零电流(I0),从而对称化多电平转换器的不对称有功功率流。基于修改后的相电流值来确定用于转换器线股(8-10)的控制状态(A)。对应于确定的控制状态来控制股线。还包括以下方面的独立权利要求:(1)计算机程序,该计算机程序包括用于执行用于操作多级转换器的方法的指令(2)用于执行用于操作多级转换器的方法的控制装置。

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