A new dual‐input high step‐up DC–DC converter with reduced switches stress and low input current ripple

Samadian, Ataollah; Hashemzadeh, Seyed Majid; Marangalu, Milad Ghavipanjeh; Maalandish, Mohammad; Hosseini, Seyed Hossein

doi:10.1049/pel2.12143

Cited by 28 publications

(10 citation statements)

References 23 publications

(50 reference statements)

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“…The number of components used in the proposed structure is the same as the number of components in the structure in [18,19,26]. The PVS on switches structures of [17,28] use more components and the structures of [15,16,[22][23][24][25]27] use fewer components than the proposed structure. PVS of the switches and diodes is another factor that should be compared between the structures of Table 3 To have a better comparison between the proposed converter and the converters in literature in terms of PVS, it is supposed that all the converters have the same conditions (…”

Section: Comparison Studymentioning

confidence: 99%

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Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Jalilzadeh

Rostami

Babaei

et al. 2021

IET Power Electronics

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The proposed converter here is a dual-input DC-DC converter with bidirectional power flow. One of the inputs is unidirectional, while the other is a bidirectional port for a battery. The proposed converter can combine two alternating sources with different characteristics. The demanded power of the load can be provided by each input source individually or simultaneously. What is more, the unidirectional port can charge the battery as well as power the output load. Due to the bidirectional capability, the energy returned from the output can be stored in the battery which is suitable for electric vehicle (EV) applications.Step-up capability, the low voltage stress on semiconductors, and the smaller number of passive elements are the other advantages of the converter. Depending on the battery usage status, four different operation scenarios are defined in the proposed converter. The converter operation is described in each scenario and the mathematical analysis is presented. Based on these, the experimental prototype is conducted to verify the characteristics and feasibilities of the converter.

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Section: Comparison Studymentioning

confidence: 99%

“…The high voltage stress on the semiconductors is another drawback of this structure. A high‐voltage‐gain DC‐DC converter with dual input and unidirectional power flow is investigated in [28] in which the input ports do not share the common ground. The high number of diodes and capacitors is another disadvantage of the converter.…”

Section: Introductionmentioning

confidence: 99%

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Jalilzadeh

Rostami

Babaei

et al. 2021

IET Power Electronics

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“…Transformer-less grid-tied inverters and power electronic DC-DC converters have received significant interest for photovoltaic (PV) systems [1][2][3][4][5][6][7]. These kinds of inverters have many benefits compared with transformer-based topologies.…”

Section: Introductionmentioning

confidence: 99%

A new transformer‐less common grounded five‐level grid‐tied inverter with leakage current elimination and voltage boosting capability for photovoltaic applications

Kurdkandi

Marangalu

Alavi

et al. 2023

IET Renewable Power Gen

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Due to serious Concerns such as air pollution, global warming, and fossil fuels shortcoming, renewable energy sources such as photovoltaic applications are dramatically being integrated into the power generation systems all of the world. Here, a new switched‐capacitor‐based transformer‐less grid‐tied inverter has been proposed. By applying the series–parallel switching technique of the utilized switched‐capacitor module, the voltage boosting capability has been obtained. By implementing common ground technique, high overall efficiency and leakage current elimination capability have been obtained. Since the proposed inverter provides a multi‐level output voltage, the total harmonic distortion of the injected grid current is reduced. The introduced control strategy has been implemented to control both active and reactive powers and generate the switches pulses. Therefore, a high quality and adjusted current is injected to the grid. This inverter requires a single renewable energy source as input DC source. Here, the comprehensive description of the proposed inverter and its performance with design considerations have been presented. The proposed structure has been compared with several similar structures and the obtained results have been investigated. To evaluate the performance of the proposed inverter, a 620 W laboratory prototype is assembled and experimental results are analyzed.

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“…A two-input high voltage conversion converter is suggested in Ref. [14]. It is proper for PV systems.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of a New Coupled Inductor-Based Interleaved High Step-Up DC-DC Converter for Renewable Energy Applications

Hashemzadeh

Babaei

Hosseini

et al. 2022

International Transactions on Electrical Energy Systems

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In this paper, a novel nonisolated interleaved high step-up DC-DC converter is proposed based on the coupled inductor and voltage multiplier cell (VMC) methods. Due to the interleaved structure, its input current ripple is low. The low input current ripple and also high power efficiency make the proposed converter suitable for renewable energy applications like photovoltaic (PV) and fuel cell (FC) power generation systems. The windings of the coupled inductors are combined with VMCs to further increase the output voltage with a low power switch’s duty cycle. This combination also leads to obtaining a flexible voltage gain that can be adjusted by coupled inductors’ turns ratio and power switches’ duty cycle. The voltage peaks over semiconductors are much lower than the output voltage. Therefore, low-rated semiconductors can be used for the implementation of the proposed converter, which can reduce the cost and volume. Generally, high voltage gain, low voltage, current stress of power switches, low input current ripple, high efficiency, common ground between the input and output ports, and a low number of elements are the main benefits of the suggested structure. The operation principle, steady-state analysis, and comparison with other converters are presented to show the advantages of the suggested converter. Also, a prototype is built, and the experimental results are presented to prove the theoretical analysis. This prototype is implemented with 200 W rated power, 25 V∼400 V voltage conversion, and 50 kHz switching frequency. Additionally, the efficiency is measured at 95.3% at the rated power.

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A new dual‐input high step‐up DC–DC converter with reduced switches stress and low input current ripple

Cited by 28 publications

References 23 publications

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

Design, analysis and implementation of a new three‐port DC‐DC converter with bidirectional capability

A new transformer‐less common grounded five‐level grid‐tied inverter with leakage current elimination and voltage boosting capability for photovoltaic applications

Design and Analysis of a New Coupled Inductor-Based Interleaved High Step-Up DC-DC Converter for Renewable Energy Applications

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