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首页> 外文会议>2016 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：使用耦合电感器和开关电容器的非隔离式高压增益升压转换器的建模和控制

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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器构建的高增益升压升压转换器的数学模型。与传统的升压转换器不同，传统的升压转换器在开关断开期间将输入功率传输到输出，此处经典的升压转换器在开关接通期间将功率传输到输出。使用状态空间平均方法来导出具有理想分量的小信号ac模型。输出传递函数的控制具有与常规升压转换器相同的非最小相位系统。通过仿真验证导出的模型。双环路平均电流模式控制器设计用于调节转换器输出电压。从输入电压为20V，输出电压为190V的250W实验室原型获得的实验结果证明了该控制器的有效性。拟议的转换器非常适合可再生能源和并网电力系统应用。

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