Automotive DC-DC bidirectional converter made with many interleaved buck stages

García, O.; Zumel, P.; Castro, Ángel de; Cobos, Alberto

doi:10.1109/tpel.2006.872379

Cited by 345 publications

(117 citation statements)

References 12 publications

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“…By applying ampere-time balance on C o and C s , the following equations are obtained: Substituting (12), (15), and (18) into (20), I L1 +I L2 is given by…”

Section: Actual Conversion Ratio and Efficiency Considering Resismentioning

confidence: 99%

“…The literature has reported on several non-isolated bidirectional DC-DC converters, such as bidirectional boost/buck-derived [10]- [13], Cuk [14], SEPIC/ZETA [15], multilevel [16], [17], and coupled-inductor type converters [18], [19]. Multiphase interleaved converters are often adopted to decrease voltage ripple and filter size by reducing the inductor current ripple components [20]- [22].…”

Section: Introductionmentioning

confidence: 99%

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Non-isolated Bidirectional Soft-switching SEPIC/ZETA Converter with Reduced Ripple Currents

Song¹,

Son²,

Lee³

2014

Journal of Power Electronics

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A novel non-isolated bidirectional soft-switching SEPIC/ZETA converter with reduced ripple currents is proposed and characterized in this study. Two auxiliary switches and an inductor are added to the original bidirectional SEPIC/ZETA components to form a new direct power delivery path between input and output. The proposed converter can be operated in the forward SEPIC and reverse ZETA modes with reduced ripple currents and increased voltage gains attributed to the optimized selection of duty ratios. All switches in the proposed converter can be operated at zero-current-switching turn-on and/or turn-off through soft current commutation. Therefore, the switching and conduction losses of the proposed converter are considerably reduced compared with those of conventional bidirectional SEPIC/ZETA converters. The operation principles and characteristics of the proposed converter are analyzed in detail and verified by the simulation and experimental results.

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“…By applying ampere-time balance on C o and C s , the following equations are obtained: Substituting (12), (15), and (18) into (20), I L1 +I L2 is given by…”

Section: Actual Conversion Ratio and Efficiency Considering Resismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Non-isolated Bidirectional Soft-switching SEPIC/ZETA Converter with Reduced Ripple Currents

Song¹,

Son²,

Lee³

2014

Journal of Power Electronics

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“…It can be considered that, the main function of DC/DC converter is to adjust uncontrollable direct voltage to controllable direct voltage [6,7]. DC/DC converter mainly includes unidirectional converter and bidirectional converter [8]. Generally, bidirectional DC/DC converter has larger research value and actual effect in practice [9].…”

Section: Introductionmentioning

confidence: 99%

Study on Front-End Bidirectional Dc/Dc Converter of Photovoltaic Grid-Connected Inverter

2017

IJOMAM

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-With the development of science and technology, virtual reality technology as a new technology has been applied to more and more areas. In the traditional shipbuilding industry, the shipbuilding period is usually long and frontline workers tend to make mistakes because of negligence of small details while making ship fitting according to the two -dimensional drawing of the ocean designer. In this study, virtual reality technology is applied to build a three -dimensional solid model in order to realize a vivid expression of the ship model and its assembly process. Compared with the traditional abstract drawing, the three-dimensional solid model allows designers and shipbuilders to be more unified, avoids wasting of resources in the construction process and makes it more convenient for the frontline workers to operate in reality, so as to improve the shipbuilding efficiency and shorten the shipbuilding cycle.

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“…Multi-phase interleaved dc-dc converters have been popularly employed in many power conversion applications such as automotive bidirectional battery chargers, renewable energy interface converters, computer power supplies, and so on [1][2][3][4][5][6][7]. One of the well-known problems of the multiphase dc-dc converter is that each phase's current can be different under their operation, and this current imbalance may deteriorate the efficiency and the stability of the multiphase converter.…”

Section: Introductionmentioning

confidence: 99%

A Phase Current Reconstruction Technique Using a Single Current Sensor for Interleaved Three-phase Bidirectional Converters

Lee¹,

Cho²,

Choe³

2016

Journal of Electrical Engineering and Technology

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Abstract-This paper proposes a new phase current reconstruction technique for interleaved threephase bidirectional dc-dc converters using a single current sensor. In the proposed current reconstruction algorithm, a single current sensor is employed at the dc-link, and the dc-link current information is sampled at either the peak or valley point of the pulse-width modulation (PWM) carriers regularly. From the obtained current information, all phase currents are reconstructed in a single PWM cycle. After that, the digital current controller is applied to achieve current balancing in each phase. Compare to the previous multiple current sensor method, the proposed strategy reduces the number of the current sensors in the interleaved three-phase bidirectional converter as well as reducing potential current sensing error caused by non-ideal characteristics of the multiple current sensors. The effectiveness of the proposed method is verified from the experiments based on a 3kW three-phase bidirectional converter prototype for the automotive battery charging application.

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Automotive DC-DC bidirectional converter made with many interleaved buck stages

Cited by 345 publications

References 12 publications

Non-isolated Bidirectional Soft-switching SEPIC/ZETA Converter with Reduced Ripple Currents

Non-isolated Bidirectional Soft-switching SEPIC/ZETA Converter with Reduced Ripple Currents

Study on Front-End Bidirectional Dc/Dc Converter of Photovoltaic Grid-Connected Inverter

A Phase Current Reconstruction Technique Using a Single Current Sensor for Interleaved Three-phase Bidirectional Converters

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