Parasitic Ringing and Design Issues of Digitally Controlled High Power Interleaved Boost Converters

Huang, Xudong; Wang, Xiaoyan; Nergaard, T.; Lai, Jih-Sheng; Xu, X.; Zhu, Lizhi

doi:10.1109/tpel.2004.833434

Cited by 152 publications

(47 citation statements)

References 7 publications

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“…Therefore, the control-to-output filter inductor current transfer function G id can be expressed as (13) and the control-tooutput voltage transfer function can be expressed as (14).…”

Section: A Converter Modeling Considering the Internal Impedance Of mentioning

confidence: 99%

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Design and Control of the Phase Shift Full Bridge Converter for the On-board Battery Charger of Electric Forklifts

Kim¹,

Lee²,

Choi³

2012

Journal of Power Electronics

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This paper describes the design and control of a phase shift full bridge converter with a current doubler, which can be used for the on-board charger for the lead-acid battery of electric forklifts. Unlike the common resistance load, the battery has a large capacitance element and it absorbs the entire converter output ripple current, thereby shortening the battery life and degrading the system efficiency. In this paper a phase shift full bridge converter with a current doubler has been adopted to decrease the output ripple current and the transformer rating of the charger. The charge controller is designed by using the small signal model of the converter, taking into consideration the internal impedance of the battery. The stability and performance of the battery charger is then verified by constant current (CC) and constant voltage (CV) charge experiments using a lead-acid battery bank for an electric forklift.

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“…Therefore, the control-to-output filter inductor current transfer function G id can be expressed as (13) and the control-tooutput voltage transfer function can be expressed as (14).…”

Section: A Converter Modeling Considering the Internal Impedance Of mentioning

confidence: 99%

“…The output of the current controller is then compared with a triangular wave to generate the PWM signal for the switches. At this time, the loop gain of the internal current loop and the external voltage loop can be expressed as follows [13].…”

Section: A Converter Modeling Considering the Internal Impedance Of mentioning

confidence: 99%

Design and Control of the Phase Shift Full Bridge Converter for the On-board Battery Charger of Electric Forklifts

Kim¹,

Lee²,

Choi³

2012

Journal of Power Electronics

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show abstract

“…Although bridgeless configurations are reportedly highly efficient, the boost converter-based PFC remains the most popular topology because of its simple scheme and low EMI [18], [19]. Furthermore, interleaved topologies with soft-switching characteristics have attracted attention in recent years [20]- [22], along with the interest in developing simple control strategies with good performance [23]- [25].…”

Section: Introductionmentioning

confidence: 99%

Continuous Conduction Mode Soft-Switching Boost Converter and its Application in Power Factor Correction

Cheng¹,

Liu²,

Bao³

et al. 2016

Journal of Power Electronics

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Continuous conduction mode (CCM) boost converters are commonly used in home appliances and various industries because of their simple topology and low input current ripples. However, these converters suffer from several disadvantages, such as hard switching of the active switch and reverse recovery problems of the output diode. These disadvantages increase voltage stresses across the switch and output diode and thus contribute to switching losses and electromagnetic interference. A new topology is presented in this work to improve the switching characteristics of CCM boost converters. Zero-current turn-on and zero-voltage turn-off are achieved for the active switches. The reverse-recovery current is reduced by soft turning-off the output diode. In addition, an input current sensorless control is applied to the proposed topology by pre-calculating the duty cycles of the active switches. Power factor correction is thus achieved with less effort than that required in the traditional method. Simulation and experimental results verify the soft-switching characteristics of the proposed topology and the effectiveness of the proposed input current sensorless control.

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“…Two boost converters were interleaved to reduce the input current ripple and the switching losses with high voltage gain [15,16]. But in the applications involving high voltage, the efficiency was limited and the control was complex hence it suffers from voltage stress like that of conventional converters [17].…”

Section: Introductionmentioning

confidence: 99%

Implementation of Single Phase Soft Switched PFC Converter for Plug-in-Hybrid Electric Vehicles

Sekar¹,

Dhanasekaran²

2015

Energies

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This paper presents a new soft switching boost converter with a passive snubber cell without additional active switches for battery charging systems. The proposed snubber finds its application in the front-end ac-dc converter of Plug-in Hybrid Electric Vehicle (PHEV) battery chargers. The proposed auxiliary snubber circuit consists of an inductor, two capacitors and two diodes. The new converter has the advantages of continuous input current, low switching stresses, high voltage gain without extreme duty cycle, minimized charger size and charging time and fewer amounts of cost and electricity drawn from the utility at higher switching frequencies. The switch is made to turn ON by Zero Current Switching (ZCS) and turn OFF by Zero Voltage Switching (ZVS). The detailed steady state analysis of the novel ac-dc Zero Current-Zero Voltage Switching (ZC-ZVS) boost Power Factor Correction (PFC) converter is presented with its operating principle. The experimental prototype of 20 kHz, 100 W converter verifies the theoretical analysis. The power factor of the prototype circuit reaches near unity with an efficiency of 97%, at nominal output power for a˘10% variation in the input voltage and˘20% variation in the snubber component values.

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Parasitic Ringing and Design Issues of Digitally Controlled High Power Interleaved Boost Converters

Cited by 152 publications

References 7 publications

Design and Control of the Phase Shift Full Bridge Converter for the On-board Battery Charger of Electric Forklifts

Design and Control of the Phase Shift Full Bridge Converter for the On-board Battery Charger of Electric Forklifts

Continuous Conduction Mode Soft-Switching Boost Converter and its Application in Power Factor Correction

Implementation of Single Phase Soft Switched PFC Converter for Plug-in-Hybrid Electric Vehicles

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