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Improvement on voltage gain for KY converter

机译:改善KY转换器的电压增益

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摘要

A novel step-up converter, which combines a KY converter, which is named after the first capitals of two authors' names: Hwu and Yau, a traditional synchronously rectified (SR) boost converter, and a coupled inductor with turns ratio, is presented in this study. In this converter, these two combined converters use the same switches. Also, since the proposed converter possesses an output inductor, the output current is non-pulsating because of synchronous rectification. Moreover, the corresponding voltage gain is greater than those of the traditional boost converter and the existing converters with output inductors. Furthermore, part of the leakage inductance energy can be recycled to the output capacitor of the SR boost converter. Therefore such a converter is very suitable for low-ripple applications. In addition, this converter is driven using only one half-bridge gate driver. Finally, mathematical deductions and an experimental setup with 12 V input voltage, 72 V output voltage and 60 W output power are used to verify the effectiveness of the proposed converter.
机译:提出了一种新颖的升压转换器,该转换器结合了以两位作者的名字的大写字母命名的KY转换器:Hwu和Yau,传统的同步整流(SR)升压转换器以及带匝数比的耦合电感器在这个研究中。在此转换器中,这两个组合转换器使用相同的开关。而且,由于所提出的转换器具有输出电感器,所以由于同步整流,输出电流是非脉动的。而且,相应的电压增益大于传统的升压转换器和具有输出电感器的现有转换器的电压增益。此外,部分漏感能量可以循环到SR升压转换器的输出电容器。因此,这种转换器非常适合于低纹波应用。此外,仅使用一个半桥栅极驱动器来驱动该转换器。最后,使用数学推论和输入电压为12 V,输出电压为72 V,输出功率为60 W的实验装置来验证所提出转换器的有效性。

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