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In order to correct the power boost topology has been used for easy control. But conventional boost topology has some drawbacks switching voltage surge, cross conduction current and right-half-plane zero of its control transfer function. Furthermore in this topology output voltage is always higher than input. As a result the first-stage boost PFC converter is connected with the second-stage DC-DC...
In order to correct the power boost topology has been used for easy control. But conventional boost topology has some drawbacks switching voltage surge, cross conduction current and right-half-plane zero of its control transfer function. Furthermore in this topology output voltage is always higher than input. As a result the first-stage boost PFC converter is connected with the second-stage DC-DC...
Boost converters have been usually used to power factor correction. However, the conventional topology has some drawbacks such as high cost, large size, and low efficiency because the first-stage boost converter is connected with second-stage DC-DC converter. This paper proposes a new PFC converter where tow boost converters operating in an interleaving manner are connected to the transformer, and...
This paper proposes an improved type of the hybrid-parallel power-factor-correction (HP-PFC) converter. It has the advantage of a higher efficiency and improved input current waveform. This advantage achieved through changing new charging path of the bulk capacitor and balancing the power flow from the two transformers to the output. This new circuit has been analyzed using MATLAB/Simulink and confirmed...
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