Development of PI controller for battery charger using PFC rectifier

Hussain, Mohd Najib Mohd; Idris, Muh; Rahayu, I Intan; Mustafar, K H; Salwa, D Nor; Azlan, O Nor; Rosfariza, R

doi:10.1109/speedam.2010.5542029

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…Traditional PFC converter includes a front-end bridge rectifier, which increases conduction loss and greatly affects the efficiency of the PFC converter. Moreover, more serious loss is generated under low input voltage and light load particularly [5,[9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…In order to improve efficiency of the traditional PFC converter, an effective method named as bridgeless PFC technology without front-end bridge rectifier is proposed [3,14,15]. Then the bridgeless PFC converter is proposed in [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18], which uses two switches instead of the uncontrolled diodes. When AC input voltage is in positive half-cycle, the front bridge leg of the converter operations, while AC input voltage is in negative half-cycle, the rear bridge leg operations.…”

Section: Introductionmentioning

confidence: 99%

“…The matrix representation of the state variables is x = [ V ] ; according (11), (12), and (13), the state space equation isẋ…”

mentioning

confidence: 99%

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Study on a Novel High-Efficiency Bridgeless PFC Converter

Cao

Chen

Wang

et al. 2014

Journal of Applied Mathematics

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In order to implement a high-efficiency bridgeless power factor correction converter, a new topology and operation principles of continuous conduction mode (CCM) and DC steady-state character of the converter are analyzed, which show that the converter not only has bipolar-gain characteristic but also has the same characteristic as the traditional Boost converter, while the voltage transfer ratio is not related with the resonant branch parameters and switching frequency. Based on the above topology, a novel bridgeless Bipolar-Gain Pseudo-Boost PFC converter is proposed. With this converter, the diode rectifier bridge of traditional AC-DC converter is eliminated, and zero-current switching of fast recovery diode is achieved. Thus, the efficiency is improved. Next, we also propose the one-cycle control policy of this converter. Finally, experiments are provided to verify the accuracy and feasibility of the proposed converter.

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