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Assessment of Overmodulation Strategies for AC Drives Considering Harmonics Content and Switching Losses

机译:考虑谐波内容和切换损耗的交流驱动器过度调整策略评估

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This paper performs a comparative analysis of overmodulation methods for AC electric drives. Criteria for the analysis considers three aspects: output vs. commanded modulation index (i.e., linearity); harmonic content; and the number of commutations (i.e., switching losses). The analysis focuses on existing methods reported in the literature. Improvements for the existing methods will be proposed as a result of the analysis. The analysis is experimentally validated on a three-phase three-level Neutral-Point-Clamped (NPC) inverter.
机译:本文对AC电动驱动器进行了过度调制方法进行了比较分析。 分析的标准考虑了三个方面:输出与命令调制索引(即线性度); 谐波含量; 和换向数(即,切换损耗)。 该分析侧重于文献中报告的现有方法。 作为分析的结果,将提出现有方法的改进。 通过在三相三级中性点夹紧(NPC)逆变器上进行实验验证。

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