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首页> 外文会议>International Conference for Students on Applied Engineering >Modelling and control of non-isolated high voltage gain boost converter employing coupled inductor and switched capacitor
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Modelling and control of non-isolated high voltage gain boost converter employing coupled inductor and switched capacitor

机译：采用耦合电感器和开关电容的非隔离高压增益升压转换器的建模与控制

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This paper investigates mathematical model of a high gain step-up boost converter built around coupled inductor and switched capacitor. Unlike the classical boost converter, which transfers input power to the output during the switch OFF period, here power is transferred to the output during the switch ON period. A state space averaging method is employed to derive the small signal ac model with ideal components. The control to output transfer function exhibits a non-minimum phase system identical to the conventional boost converter. The derived model is validated via simulation. A dual loop average current mode controller is designed to regulate the converter output voltage. Experimental results taken from a 250W laboratory prototype operating with an input voltage of 20V and output voltage of 190V verify the effectiveness of the controller. The proposed converter is well suited for renewable energy and grid connected power system applications.
机译：本文研究了围绕耦合电感器和开关电容的高增益升压升压转换器的数学模型。与经典升压转换器不同，在关闭时段期间将输入电源传输到输出，此处电源在开关期间将电源传送到输出。使用状态空间平均方法来导出具有理想组件的小信号AC模型。输出传递函数的控制表现出与传统升压转换器相同的非最小相位系统。通过仿真验证派生模型。双环平均电流模式控制器旨在调节转换器输出电压。从250W实验室原型采用的实验结果，使用20V的输入电压和190V的输出电压验证了控制器的有效性。所提出的转换器非常适合可再生能源和电网连接电力系统应用。

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