A High Step-Up DC–DC Converter With Coupled-Inductor and Switched-Capacitor using PI Control

چکیده مقاله

 The paper  proposes a high step up boost converter With CoupledInductor and Switched-Capacitor  that its operation improves using PI controller. In the proposed strategy, The capacitors are charged in parallel and are discharged in series by the coupled inductor, stacking on the output capacitor  to achieve high step up voltage gain. the voltage spike on the main switch can be clamped. Therefore, low ONstate resistance R_DS(ON) of the main switch can be adopted to reduce the conduction loss and  the voltage across the load is maintained constant by using a closed loop control.

The operation and steady state analyses of the converter has been shown in detail. Eventually, a circuit with 24-V input, 400-V output, and power of 200W has been implemented in MATLAB to confirm the proper performance of the proposed converter.

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