A ZVS high step-up converter based on an integrated boost-cuk topology

Jalili, Jalil; Mirtalaei, S. M. M.; Mohammadi, Mohammad Reza; Majidi, Behrooz

doi:10.1007/s00202-021-01340-3

Cited by 8 publications

(7 citation statements)

References 15 publications

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“…According to this figure, considering higher values for n 21 to a small amount value towards unity (n 21 →1) (increasing this value does not have much effect on increasing their parasitic resistance) can cause proper efficiency in the proposed converter. From Table 2, only the proposed and converters in [17], and [26][27][28][29] act under soft-switching condition along with a very low reverse recovery problem. At turns ratio n 21 = 0.75, n 31 = 1.05 (for TWCI), n = 1.8 (for two-winding CI), Figure 9 shows the total voltage gain comparison of the converters specified in Table 2.…”

Section: Efficiency Estimationmentioning

confidence: 99%

“…From Table 2, only the proposed and converters in [17], and [26–29] act under soft‐switching condition along with a very low reverse recovery problem. At turns ratio n 21 = 0.75, n 31 = 1.05 (for TWCI), n = 1.8 (for two‐winding CI), Figure 9 shows the total voltage gain comparison of the converters specified in Table 2.…”

Section: Performance Comparisonmentioning

confidence: 99%

“…Since both output poles of the converter are a function of the turns ratio and duty cycle, their balancing is not easily implemented. In addition, in [27,28], a ZVS high voltage gain converter based on boost-CUK topology is presented. In this double-switch converter, an active clamp circuit is used to transfer the energy of the leakage inductor.…”

Section: Introductionmentioning

confidence: 99%

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A new soft‐switching high gain DC/DC converter with bipolar outputs

Hasanpour,

Siwakoti,

Blaabjerg

2023

IET Power Electronics

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This paper introduces a new single‐input multi‐output step‐up DC/DC converter with soft‐switching performance and low input current for renewable energy applications. The proposed topology uses a three‐winding coupled‐inductor (TWCI) and voltage multiplier circuits to achieve high voltage gains. The bipolar output voltages of the proposed converter can be varied independently by tuning the turns ratios of the TWCI. Due to the semi‐trans‐inverse specification of the suggested topology, high voltage gains can be obtained under a lower number of turns ratio in the magnetic device. Furthermore, a regenerative passive clamp technique mitigates the voltage stress on the single power switch. Additionally, the power dissipations are further reduced by considering a resonant tank in the circuit. In the converter, the parasitic leakage inductances of the TWCI windings help to provide the soft‐switching conditions for the switch and also to eliminate the reverse‐recovery loss for all converter diodes. The operating mode of the presented converter has been introduced and the steady state, along with the main operating equations have also been derived. Finally, the theoretical analysis is verified by a sample prototype 235 W at the input voltage 25 V and outputs of 200 V and −200 V.

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Section: Efficiency Estimationmentioning

confidence: 99%

Section: Performance Comparisonmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A new soft‐switching high gain DC/DC converter with bipolar outputs

Hasanpour,

Siwakoti,

Blaabjerg

2023

IET Power Electronics

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“…For this aim, in addition to the power switch, an auxiliary switch is needed. 25 Despite the mentioned merits, coupled inductor has several disadvantages such as higher current ripple and higher magnetizing inductor current. 26 A two-winding DC-DC converter is proposed in Hwu et al 26 and it's compared with a similar two-winding structure versus the inductor size and the core dimensions.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, utilization of soft switching‐based structures can raise the converter efficiency. For this aim, in addition to the power switch, an auxiliary switch is needed 25 . Despite the mentioned merits, coupled inductor has several disadvantages such as higher current ripple and higher magnetizing inductor current 26 .…”

Section: Introductionmentioning

confidence: 99%

A new single ended primary inductor converter with high voltage gain, low voltage stress and continuous input current

Jahangiri

Abdolalizadeh

Shamim

2023

Circuit Theory & Apps

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SummaryThis paper proposes a single‐ended primary‐inductor converter (SEPIC)‐based DC‐DC converter with higher voltage gain, continuous input current, and lower voltage stress. Suggested converter uses three‐winding coupled inductors and voltage multiplier for boosting function. The proposed structure stores lower amount of energy due to lower current magnitudes of used inductors. Moreover, using voltage multiplier reduces the voltage stress of the elements connected to the output terminals of the proposed converter. By reducing the voltage stress, in addition to reducing the rating of output elements and costs, the overall efficiency will also be increased. Also, a clamping circuit is used to diminish the voltage stresses on power switch. In order to represent the advantages of the proposed converter over some other converters in the viewpoints of the number of the used elements, continuity of input current, voltage gain, the voltage stress on power switch, and output diode, a comparison study is provided. To validate the practicability of the proposed converter, a 200‐W prototype is implemented and the experimental results are provided.

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PV-fed non-isolated resonant converter for DC microgrid applications

Gökdağ

2022

Electr Eng

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A ZVS high step-up converter based on an integrated boost-cuk topology

Cited by 8 publications

References 15 publications

A new soft‐switching high gain DC/DC converter with bipolar outputs

A new soft‐switching high gain DC/DC converter with bipolar outputs

A new single ended primary inductor converter with high voltage gain, low voltage stress and continuous input current

PV-fed non-isolated resonant converter for DC microgrid applications

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