Improved Large DC Gain Converters With Low Voltage Stress on Switches Based on Coupled-Inductor and Voltage Multiplier for Renewable Energy Applications

Chen, Manxin; Yin, Changqing; Loh, Poh Chiang; Ioinovici, A.

doi:10.1109/jestpe.2019.2906067

Cited by 33 publications

(24 citation statements)

References 27 publications

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“…By introducing small magnetic components or utilizing parasitic inductances, the typical SCCs can achieve resonant or phaseshift operations, thus regulating voltage conversion ratio and reducing both switching losses and electromagnetic interferences (EMI) [68]- [82]. On the other hand, a combination of coupled inductors and switched capacitors is also broadly adopted in high voltage gain situations [59]- [92], [89]- [97]. Their common feature is using coupled inductors to lift the voltage of capacitors and perform the discharging of the switched capacitors in series.…”

Section: Coupled Inductor Converters With Basic Modulesmentioning

confidence: 99%

Review of High-Frequency High-Voltage-Conversion-Ratio DC–DC Converters

Guan

Cecati

Alonso

et al. 2021

IEEE J. Emerg. Sel. Top. Ind. Electron.

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Section: Coupled Inductor Converters With Basic Modulesmentioning

confidence: 99%

Review of High-Frequency High-Voltage-Conversion-Ratio DC–DC Converters

Guan

Cecati

Alonso

et al. 2021

IEEE J. Emerg. Sel. Top. Ind. Electron.

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show abstract

“…In addition to the above‐mentioned cells, other topologies that use a coupled inductor with a VM have been proposed in the literature. A widely used approach is the integration of n VM cells (diode and capacitor) in the secondary branch of the coupled inductor 20–26 . This allows an increase in the voltage gain of the converter as the diode and capacitor assembly are increased.…”

Section: Introductionmentioning

confidence: 99%

Voltage multiplier applied to boost DC–DC converter: Analysis, design, and performance evaluations

Hoch

Faistel

Toebe

et al. 2021

Circuit Theory & Apps

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Summary This paper presents a new voltage multiplier with a small number of components, composed of a coupled inductor and a switched capacitor cell, which allow four different configurations. To evaluate these configurations, these cells were integrated into the boost converter, thus generating four new high voltage gain topologies. These topologies have different characteristics: thus, the principle of operation, voltage gain, voltage and current stress, and design guidelines of each converter were evaluated. Finally, four prototypes of 30 V/400 V and 200 W were built and evaluated experimentally.

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“…Therefore, DC/DC high step-up converters are required. The conventional boost converters can attain a high gain on a high duty cycle, which causes a reverse recovery problem and high-voltage stress across the switching devices, which decreases the efficiency [12]. A triangle modulation (TRM) scheme decreased circulating current with ZCS behavior for the whole operating range; however, the feasibility of TRM is limited for the operation to gain more than unity [13].…”

Section: Introductionmentioning

confidence: 99%

Design of a High Step-Up DC-DC Converter with Voltage Doubler and Tripler Circuits for Photovoltaic Systems

Yaseen

Farooq

Malik

et al. 2021

International Journal of Photoenergy

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In this paper, a high step-up DC-DC interleaved boost converter is proposed for renewable sources with low voltages such as photovoltaic module and fuel cell. The proposed converter uses interleaving method with an additional voltage doubler and tripler circuit. In the proposed converter, the inductor at all phases is operated to gain high voltage through voltage doubler and tripler circuit capacitors with suitable duty cycle. The proposed topology operates in six switching states in one period. The steady-state analysis and operating principle are examined comprehensively which shows numerous improvements over the traditional boost converter. These improvements are high-voltage gain and low-voltage stress across switches. The proposed DC-DC interleaved boost converter has a gain/conversion ratio four times that of the conventional interleaved boost converter and four times less-voltage stress across the main switches. Simulation has been done in Matlab Simulink on a 70% duty cycle, and results are compared with conventional interleaved boost converter. For an input voltage of 15 volts, the proposed converter is able to generate an output voltage of 200 volts at 70% duty cycle with a voltage stress of 50 volts across main switches, whereas traditional interleaved boost converter generates 200 volts from same input voltage at 92.5% duty cycle with voltage stress of 200 volts across switches. From simulation results, it is clear that the proposed converter has better performance as compared to conventional interleaved boost converter for same design parameters.

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Improved Large DC Gain Converters With Low Voltage Stress on Switches Based on Coupled-Inductor and Voltage Multiplier for Renewable Energy Applications

Cited by 33 publications

References 27 publications

Review of High-Frequency High-Voltage-Conversion-Ratio DC–DC Converters

Review of High-Frequency High-Voltage-Conversion-Ratio DC–DC Converters

Voltage multiplier applied to boost DC–DC converter: Analysis, design, and performance evaluations

Design of a High Step-Up DC-DC Converter with Voltage Doubler and Tripler Circuits for Photovoltaic Systems

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