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首页> 外文期刊>Power Electronics, IET >Decoupling controller design for Z-source inverter
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Decoupling controller design for Z-source inverter

机译：Z源逆变器的去耦控制器设计

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With the state-space averaging model and the proposed pulse-width modulation switching scheme, the Z-source inverter has been decoupled into a primary boosting stage and a secondary bucking stage. Two double-loop controllers are designed to handle the voltage regulation as well as the current regulation for the DC/DC and DC/AC conversion processes. The proposed scheme demands for two separate duty ratios and novel switching scheme has been derived to realise the combined duty ratios in one switching cycle. Power regulation, harmonics elimination and power factor correction control algorithms have also been derived for the Z-inverter when it is connected to the supply grid. Finally, experimental results are included to demonstrate the effectiveness of the proposed switching and control schemes.
机译：借助状态空间平均模型和拟议的脉宽调制切换方案，Z源逆变器已被分离为初级升压级和次级降压级。设计了两个双环控制器，以处理DC / DC和DC / AC转换过程的电压调节以及电流调节。提出的方案要求有两个单独的占空比，并推导了新颖的开关方案以在一个开关周期内实现组合的占空比。当Z逆变器连接到电网时，也已经推导了功率调节，谐波消除和功率因数校正控制算法。最后，包括实验结果以证明所提出的开关和控制方案的有效性。

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