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Bidirectional Z-source inverter modeling and smith predictor strategy for minimizing right half zero plan in the voltage loop

机译:双向Z源逆变器建模和史密斯预测器策略,用于最小化电压环路中的右半零计划

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This paper shows a different approach to obtain current and voltage models for the Bidirectional Z-Source Inverter, considering the two variables available, which are modulation index and the shoot through duty ratio. Since the shoot through index is the variable that allows to boost the output voltage, the focus is given to use this control variable and the modulation index is kept constant. Moreover, a Smith predictor technic is used to deal with the right half plan zero issue. Simulations results have shown that the model is consistent and the control strategy chosen is advantageous to obtain better dynamic response.
机译:本文示出了一种不同的方法,可以考虑到可用的两个变量和通过占空比拍摄的两个变量来获得双向Z源逆变器的电流和电压模型。由于射击通过索引是允许提高输出电压的变量,因此给出了焦点来使用该控制变量,并且调制索引保持恒定。此外,史密斯预测器技术用于处理右半计划零问题。仿真结果表明,该模型是一致的,所选择的控制策略是有利的,以获得更好的动态响应。

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