A Single-Stage AC/DC Converter With High Power Factor, Regulated Bus Voltage, and Output Voltage

Lu, Dylan Dah-Chuan; Iu, Herbert Ho-Ching; Pjevalica, V.

doi:10.1109/tpel.2007.911787

Cited by 128 publications

(26 citation statements)

References 19 publications

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“…There are several passive and active techniques proposed in literature to improve the same. However due to better control and performance active techniques are preferable over passive ones [1]. This paper proposes to integrate advantages of both techniques while getting rid of their limitations.…”

Section: Introductionmentioning

confidence: 99%

Fuzzy LPCM controlled buck integrated PFC convert-er for Class-C&D appliances

Mopidevi¹,

SaiBabu²,

Satyanarayana³

2018

IJET

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This propounded a novel method of design and implementation of a fuzzy linear peak current mode (LPCM) controlled Buck Integrated Power Factor Correction (PFC) Converter. It derives its advantages through low buck capacitor voltage and single control switch, which leads to reduced complex control and price. Sub-harmonic oscillations generates in peak current controller can be nullified by using ramp signal, there by improves the overall performance of the converter. The fuzzy controller (FLC) robust and effective than conventional linear controllers like P, PI, PID, hence in this work a (90 -265V), 50Hz AC, 48V DC and 100 kHz frequency converter is implemented in MATLAB/Simulink software and results are verified experimentally. Results show that converter meets international regularity commission regulations.

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Section: Introductionmentioning

confidence: 99%

Fuzzy LPCM controlled buck integrated PFC convert-er for Class-C&D appliances

Mopidevi¹,

SaiBabu²,

Satyanarayana³

2018

IJET

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“…A boost converter operating in the continuous conduction mode (CCM) is the most popular topology for implementing power factor correction (PFC) in high power applications [1]- [5]. However, the conventional operation of the CCM boost converter causes high reverse recovery losses of the output diodes as well as electromagnetic interference (EMI) noises.…”

Section: Introductionmentioning

confidence: 99%

Passive Lossless Snubbers Using the Coupled Inductor Method for the Soft Switching Capability of Boost PFC Rectifiers

Kim¹,

Baek²,

Ryu³

et al. 2015

Journal of Power Electronics

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In order to minimize switching losses for high power applications, a boost PFC rectifier with a novel passive lossless snubber circuit is proposed. The proposed lossless snubber is composed of coupled inductors merged into a boost inductor. This method compared with conventional methods does not need additional inductor cores and it reduces extra costs to implement a soft switching circuit. Especially, the proposed circuit can reduce the reverse recovery current of output diode rectifiers due to the coupling effect of the inductor. During turn-on and turn-off operating modes, the proposed PFC converter operates under soft switching conditions with high power conversion efficiency. In addition, the performance improvement and analysis of the operating effects of the coupled inductors were also presented and verified with a 3.3 kW prototype rectifier.

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“…The drawback associated with two stage PFC method motivated several researchers to find other way to provide both input current shaping and voltage regulation. Thus a new class of single stage power factor correction (SS-PFC) topologies has been presented [6,7,8,9].The voltage fed, single stage PWM full bridge converter shown in fig. 1 seen to be the most promising single stage converters.…”

Section: Iintroductionmentioning

confidence: 99%

Design and Simulation of Fuzzy Logic Controller for a Single Stage Three Level Ac-Dc Converter

Sasikumar¹,

Arounassalame²

2015

IJAREEIE

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ABSTRACT:Voltage fed single stage converters suffer from two main drawbacks: The efficiency is affected due to the reduced values of maximum DC link capacitor voltage and the power factor is not close to unity. To overcome these drawbacks, a boost type -input current shaping converter, integrated with diode clamped topology is used. Since this converter is a multilevel converter, it can be operated with high DC bus voltage. The power factor is also maintained close to unity. This converter is made to operate with fuzzy logic controller to regulate the output voltage. The fuzzy logic controller is designed and the performance of the ac-dc converter is tested using MATLAB/SIMULINK based closed loop simulation.

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A Single-Stage AC/DC Converter With High Power Factor, Regulated Bus Voltage, and Output Voltage

Cited by 128 publications

References 19 publications

Fuzzy LPCM controlled buck integrated PFC convert-er for Class-C&D appliances

Fuzzy LPCM controlled buck integrated PFC convert-er for Class-C&D appliances

Passive Lossless Snubbers Using the Coupled Inductor Method for the Soft Switching Capability of Boost PFC Rectifiers

Design and Simulation of Fuzzy Logic Controller for a Single Stage Three Level Ac-Dc Converter

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