A Family of an Automatic Interleaved Dickson Switched-Capacitor Converter and Its ZVS Resonant Configuration

Li, Shouxiang; Xie, Wenhao; Smedley, K.M.

doi:10.1109/tie.2018.2829682

Cited by 72 publications

(20 citation statements)

References 17 publications

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“…In [25] and [26], research of this method demonstrates a very high efficiency of the converter in this topology and a phase-shift method. The ZVS operation is presented for the Dickson resonant SC converter in [23] and in [27]- [28] for families of resonant SC converters.…”

Section: Introductionmentioning

confidence: 99%

“…In [29] and [30], the output voltage change of the SC converter is possible, but only in the step mode. However, continuous voltage control can be achieved using an adequate topology and switching method, which has been demonstrated in [23]- [25], [27]- [28], and [31]. In this paper, we propose a converter that allows for a continuous voltage change over a wide range.…”

Section: Introductionmentioning

confidence: 99%

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High-Gain Switched-Capacitor DC-DC Converter With Low Count of Switches and Low Voltage Stress of Switches

et al. 2021

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This paper presents a novel concept of a high-voltage-gain DC-DC converter. The converter is made up of switched capacitors and passive resonant branches. A significant reduction in the count of switches and low voltage stress on the switches is achieved in this proposed converter topology, in comparison to that of a classical SC series-parallel converter. It is essential from the cost, volume, and efficiency of the converter standpoint. The reduction in the count of switches is threefold. The highest voltage stress on the switches depends on the output voltage and is decreased in the proposed converter as well, as the output voltage is divided into two series-connected capacitors. The presented results demonstrate the operation of the converter with the use of resonant branches, its switching strategies, voltage stresses of switches, efficiency, voltage gain, and output voltage regulation as well as the zero-voltage switching (ZVS) operation. The paper also presents novel issues related to analytical loss modeling, extended concepts of topology, converter start-up, and operation during transient states. The demonstrated concept of the converter, the analytical discussion and its design, as well as the experimental setup and results clearly demonstrate the optimization achievements.INDEX TERMS Boost converters, DC-DC converters, High voltage gain converter, Switched-capacitor converter.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High-Gain Switched-Capacitor DC-DC Converter With Low Count of Switches and Low Voltage Stress of Switches

et al. 2021

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“…The interleaving technology is applied in power applications above 600 W, which also increases the equivalent switching frequency as demonstrated by [22]- [24]. It presents the current share between the connection arms, promotes waveform frequency multiplication of inductive and capacitive elements, and reduces voltage efforts [25], [26]. In addition, it promotes input-current ripple reduction, thereby allowing for filter size reduction, and contributes to a low electromagnetic interference level [27]-VOLUME 4, 2016 [30].…”

Section: Introductionmentioning

confidence: 99%

Single-Phase Hybrid Switched-Capacitor Interleaved AC-DC Boost Converter

2021

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In this paper a single-phase boost PFC multilevel interleaved high-voltage gain based on the hybrid switched-capacitor concept is presented. The proposed converter merges interphase transformers and switched-capacitor cells to obtain current sharing and high voltage gain. These features allow for both the reduction of voltage and current stresses on the semiconductors. Furthermore, the interleaving method allows for obtaining multilevel voltages at AC terminals, thereby reducing the weight and bulk of the input inductor. PFC operation is guaranteed through both input current control and output voltage control. Both steady-state and dynamic analyses were conducted. Experimental results for a 1.25 kW, 127 V to 800 V laboratory prototype are presented and discussed.INDEX TERMS High voltage gain, interleaving, interphase transformer cells, power factor correction, PWM rectifier, switched-capacitor.

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“…Conversely, non‐isolated topologies are based on the use of techniques to increase the voltage gain [7], such as coupled inductors [8, 9], switched‐inductors (SLs) [2, 10, 11], switched‐capacitors (SCs) [10, 12, 13], stacked [14] and cascaded [15–17] connection. Clearly, the converters based on these techniques also present some disadvantages [10] such as voltage spikes on the switches (coupled‐inductor and SL) and a high number of components (SC, stacked and cascaded converter) [10].…”

Section: Introductionmentioning

confidence: 99%

High step‐up dc–dc converter based on modified active switched‐inductor and switched‐capacitor cells

Andrade¹,

Coelho²,

Lazzarin³

2020

IET power electron.

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A Family of an Automatic Interleaved Dickson Switched-Capacitor Converter and Its ZVS Resonant Configuration

Cited by 72 publications

References 17 publications

High-Gain Switched-Capacitor DC-DC Converter With Low Count of Switches and Low Voltage Stress of Switches

High-Gain Switched-Capacitor DC-DC Converter With Low Count of Switches and Low Voltage Stress of Switches

Single-Phase Hybrid Switched-Capacitor Interleaved AC-DC Boost Converter

High step‐up dc–dc converter based on modified active switched‐inductor and switched‐capacitor cells

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