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首页> 外文期刊>Power Electronics, IET >Voltage regulation of the Y-source boost DC–DC converter considering effects of leakage inductances based on cascaded sliding-mode control
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Voltage regulation of the Y-source boost DC–DC converter considering effects of leakage inductances based on cascaded sliding-mode control

机译：考虑级联滑模控制的漏电感影响的Y源升压DC-DC转换器的电压调节

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摘要

In this study, a sliding mode-based controller is designed for regulating the output voltage of a high step-up DC-DC converter with three coupled inductors called Y-source impedance network. As Y-source converter can provide a very high boost at a lower shoot-through duty cycle of the switch and it has one more degree of freedom to achieve voltage boost. In order to accurately analyse the converter operation, the leakage inductance impact on diodes function in addition to other parasitic elements has been modelled. Hence, four different time intervals corresponding to switch and diode conduction have been considered. Also, an exposition of a variable structure control approach is mentioned. The method employs cascaded sliding-mode control (CSMC) to output voltage regulation of the converter. The stability and robustness of the CSMC against the variation of reference voltages and the uncertainties of the load demands have been explained. Simulation and experimental results confirm the capability and effectiveness of the proposed control method.
机译：在本研究中，设计了一种基于滑模的控制器，用于调节具有三个耦合电感器（称为Y源阻抗网络）的高升压DC-DC转换器的输出电压。由于Y源转换器可以在较低的开关直通占空比下提供非常高的升压，并且具有更大的自由度来实现升压。为了准确地分析转换器的工作情况，除了其他寄生元件外，还对漏电感对二极管功能的影响进行了建模。因此，已经考虑了对应于开关和二极管导通的四个不同的时间间隔。另外，提到了可变结构控制方法的说明。该方法采用级联滑模控制（CSMC）来输出转换器的电压调节。已经解释了CSMC对参考电压变化的稳定性和鲁棒性以及负载需求的不确定性。仿真和实验结果证实了所提出控制方法的能力和有效性。

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