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首页> 外文期刊>Bulletin of the Polish Academy of Sciences. Technical Sciences >Predictive and look-up table control methods of a three-level AC-DC converter under distorted grid voltage
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Predictive and look-up table control methods of a three-level AC-DC converter under distorted grid voltage

机译：扭曲电网电压下三级AC-DC转换器的预测和查询表控制方法

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摘要

Power electronic three-level AC-DC converters connecting a utility grid with DC supplies are widely used in renewable energy sources. For such distributed systems, the quality of energy is very important. Hence, control algorithms of an AC-DC converter have to provide not only a sinusoidal shape of grid current, but also stable operation during transient states in the grid, e.g. voltage dips or voltage unbalance. This paper deals with the problem of robustness of AC-DC control methods under disturbed grid voltage. Three modern predictive control algorithms are presented and investigated under grid voltage distortions. Experimental results from a laboratory test setup illustrating properties of the described methods are shown.
机译：电力电子三电平AC-DC变换器连接公共电网和直流电源，广泛应用于可再生能源。对于这样的分布式系统，能量质量非常重要。因此，AC-DC变换器的控制算法不仅必须提供电网电流的正弦形状，而且还必须在电网的暂态状态下稳定运行，例如电压骤降或电压不平衡。本文研究了电网电压扰动下交直流控制方法的鲁棒性问题。提出并研究了三种现代预测控制算法在电网电压畸变情况下的性能。显示了实验室测试装置的实验结果，说明了所述方法的特性。

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