Soft Switching Multiphase Interleaved Boost Converter With High Voltage Gain for EV Applications

Ahmed, Nabil A.; Alajmi, Bader N.; Abdelsalam, Ibrahim; Marei, Mostafa I.

doi:10.1109/access.2022.3157050

Cited by 39 publications

(12 citation statements)

References 37 publications

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“…Another multi-phase interleaved boost converter topology using an auxiliary resonant circuit is presented in ref. [ 17 ]; it has the capability of soft switching and high voltage gain. For fuel cell integration non-isolated interleaved high-gain converter topologies are presented in ref.…”

Section: Introductionmentioning

confidence: 99%

A Novel Non-Isolated High-Gain Non-Inverting Interleaved DC–DC Converter

et al. 2023

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High-gain DC–DC converters are being drastically utilized in renewable energy generation systems, such as photovoltaic (PV) and fuel cells (FC). Renewable energy sources (RES) persist with low-level output voltage; therefore, high-gain DC–DC converters are essentially integrated with RES for satisfactory performance. This paper proposes a non-isolated high-gain non-inverting interleaved DC–DC boost converter. The proposed DC–DC converter topology is comprised of two inductors and these are charging and discharging in series and parallel circuit configurations. The voltage multiplier technique is being utilized to produce high gain. The proposed topology is designed to operate in three modes of operation. Three switches are operated utilizing two distinct duty ratios to avoid the extreme duty ratio while having high voltage gain. Owing to its intelligent design, the voltage stress on the switches is also significantly reduced where the maximum stress is only 50% of the output voltage. The proposed converter’s steady-state analysis with two distinct duty ratios is thoroughly explored. Furthermore, a 160 W 20/400 V prototype is developed for performance analysis and validation. The converter topology can generate output voltage with a very high voltage gain of 20, which is verified by the prototype. Moreover, a high efficiency of 93.2% is attained by the proposed converter’s hardware prototype.

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Section: Introductionmentioning

confidence: 99%

A Novel Non-Isolated High-Gain Non-Inverting Interleaved DC–DC Converter

et al. 2023

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“…Therefore, PFC ac-dc converters are recently used widely in many applications such as electric vehicle chargers, motor drives, and DC offshore wind farms. [1][2][3][4][5] The most frequently used approaches for single-phase applications are two-and single-stage PFC ac-dc converters. The two-stage PFC rectifier comprises a PFC stage followed by a DC-DC converter.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, PFC rectifiers fulfill the harmonic current restrictions imposed by standards such as IEC 1000‐3‐2 and EEE Standard 519‐2014. Therefore, PFC ac‐dc converters are recently used widely in many applications such as electric vehicle chargers, motor drives, and DC offshore wind farms 1–5 …”

Section: Introductionmentioning

confidence: 99%

A hybrid bridgeless AC‐DC converter topology

Zakaria,

Abdelsalam,

Marei

et al. 2023

Circuit Theory & Apps

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SummaryBridgeless ac‐dc converters are the optimal choice for many applications, as they offer many advantages such as low distorted supply current, high power factor, and improved efficiency. This paper presents a new topology for a single‐phase bridgeless ac‐dc converter. The proposed hybrid topology is based on integrating the inverting and non‐inverting buck‐boost dc‐dc converters that are connected to the ac supply through an LC filter. To insure sinusoidal supply current, the proposed hybrid bridgeless ac‐dc converter is operated in discontinuous current mode. The proposed converter has many merits, such as a reduced number of components, enhanced efficiency, and soft start‐up capability. The operation modes and design of the proposed converter are presented. In addition, a design method is proposed for the input LC filter to minimize the voltage stress across switches. Moreover, a small signal model for the proposed converter is developed. The proposed converter topology is simulated to evaluate the dynamic behavior and verify the accuracy of the presented small signal model. Furthermore, an 850 W prototype is developed to validate the features of the proposed converter experimentally. Tight voltage regulation, sinusoidal supply current, and near‐to‐unity power factor operation are observed from the results, regardless of supply or load disturbances.

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“…In [10], a soft switching interleaved boost converter is proposed where efficiency was 98.78% at power of 798W. But the converter is working at 25 kHz without using GaN HEMT which leads to low power density.…”

Section: Introductionmentioning

confidence: 99%

Topology of a Three-Port Converter for High-Altitude Platforms

Liu

et al. 2022

IEEE Access

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Three-port converter (TPC) with non-regulated bus cannot meet the voltage stability demands of high-altitude platforms (HAPs) during daytime operations. In contrast, full-regulated bus TPC is complex in topology and inferior in power density, although it can maintain voltage stability across whole day operations. Therefore, semi-regulated bus TPCs are more suitable for this scenario, which can not only maintain voltage stability during daytime operations, but also have simple topology. However, conventional semi-regulated bus structure converts the power twice, leading to lower efficiency and power density. In order to overcome this problem, the paper proposes a novel semi-regulated bus TPC that can be used on high-altitude platforms. The topology only has one conversion between the ports. It regulates the bus voltage during the day and prevents the loss of diode during the night by directly discharging through the MOSFET and achieving high efficiency. The paper adopts GaN devices to elevate the working frequency to further improve the power density, and conduct a theoretical analysis for all working modes and provide key equations. The closed-loop transfer function of the system is deduced for stability analysis. The results show that the proposed topology has high efficiency and power density.INDEX TERMS Aerospace vehicles, Boost, High efficiency, Semi-regulated bus, Three-port converter.

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Soft Switching Multiphase Interleaved Boost Converter With High Voltage Gain for EV Applications

Abstract: This research was supported by the Public Authority for Applied Education and Training (PAAET). We would like to thank PAAET and the college of technological studies for their support under the project number TS-21-08.

Cited by 39 publications

References 37 publications

A Novel Non-Isolated High-Gain Non-Inverting Interleaved DC–DC Converter

A Novel Non-Isolated High-Gain Non-Inverting Interleaved DC–DC Converter

A hybrid bridgeless AC‐DC converter topology

Topology of a Three-Port Converter for High-Altitude Platforms

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