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High-voltage-gain quadratic boost converter with voltage multiplier

机译:带电压倍增器的高压增益二次升压转换器

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摘要

In this study, a novel high-gain quadratic boost converter with a voltage multiplier circuit is presented to give an alternative power electronic circuit for high-voltage conversion and low-to-medium power applications. The proposed converter combines the traditional quadratic boost converter and a coupled-inductor-based voltage multiplier circuit. Compared with the traditional quadratic boost converter, the proposed converter can obtain a much higher output voltage under the same duty cycle and input voltage, and can also reduce the voltage stresses in the power devices. Moreover, the serious input current ripple in the converter with coupled-inductor is reduced. Consequently, the efficiency and the reliability can be improved by using semiconductors with low-voltage level and high performance. The theoretical analysis of the proposed converter is verified by the experimental results.
机译:在这项研究中,提出了一种新颖的具有电压倍增电路的高增益二次升压转换器,以提供用于高压转换和中低功率应用的替代功率电子电路。拟议的转换器结合了传统的二次升压转换器和基于耦合电感的电压倍增器电路。与传统的二次升压转换器相比,该转换器可以在相同的占空比和输入电压下获得更高的输出电压,并且还可以降低功率器件中的电压应力。此外,具有电感耦合器的转换器中的严重输入电流纹波得以减小。因此,通过使用低电压电平和高性能的半导体,可以提高效率和可靠性。实验结果验证了所提出转换器的理论分析。

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