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Class D Series-Resonant DC/DC Converter Using Switch-Controlled Capacitor with ON-OFF Feedback Control

机译:D类D系列谐振DC / DC转换器采用开关控制电容,带开关反馈控制

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This paper proposes a class D series-resonant DC/DC converter using switch-controlled capacitor (SCC) with ON-OFF feedback control. The proposed class D inverter can control the output voltage by using the ON-OFF control in the switch-controlled capacitor. Impedance variation owing to the SCC maintains the output voltage at a constant value when load fluctuation occurs at a fixed switching frequency. The SCC is turned on when the voltage difference between the two capacitors becomes zero to prevent inrush current between the capacitors. This paper also provides a design example of the proposed class D series-resonant DC/DC converter using switch-controlled capacitor with feedback control. Experimental results show the proposed method can control the output voltage between 6.08 V and 7.43 V. It is also confirmed that the proposed ON-OFF feedback control kept the constant output voltage after a 20% load fluctuation. The experimental results verify the relevance of the proposed method.
机译:本文提出了一种使用开关控制电容(SCC)的D系列谐振DC / DC转换器,具有开关反馈控制。所提出的D类逆变器可以使用开关控制电容器中的开关控制来控制输出电压。由于SCC以固定开关频率发生负载波动时,由于SCC的阻抗变化在载荷波动时保持输出电压。当两个电容器之间的电压差变为零以防止电容器之间的浪涌电流时,SCC接通。本文还提供了使用具有反馈控制的开关控制电容的提出的D系列谐振DC / DC转换器的设计示例。实验结果表明,所提出的方法可以控制6.08 V和7.43 V之间的输出电压。还证实了所提出的接通反馈控制在20%负载波动后保持恒定输出电压。实验结果验证了所提出的方法的相关性。

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