Wide Bandgap DC–DC Converter Topologies for Power Applications

Parvez, Mohd; Pereira, Aaron; Ertugrul, N.; Weste, N.; Abbott, Derek; Al-Sarawi, Said F.

doi:10.1109/jproc.2021.3072170

Cited by 37 publications

(18 citation statements)

References 118 publications

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“…Since the invention of semiconductor switches, many efforts have been made to construct DC-AC inverters. In [4] multilevel converters are comprehensively discussed and the classification of them is presented. Comparisons are made between three cascaded multilevel topologies.…”

Section: B Mlis Involving Two or More DC Sources-literature Reviewmentioning

confidence: 99%

“…How multilevel modules can be connected to PV systems is examined, and details from relevant research are provided. The comparison of semiconductors and the presentation of the static characteristics of new power switches used in inverters are the advantages of [4]. Over time, more powerful controllable switches have been invented.…”

Section: B Mlis Involving Two or More DC Sources-literature Reviewmentioning

confidence: 99%

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A New Hybrid Cascaded Switched-Capacitor Reduced Switch Multilevel Inverter for Renewable Sources and Domestic Loads

Rezaei

Nayeripour

et al. 2022

IEEE Access

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This multilevel inverter type summarizes an output voltage of medium voltage based on a series connection of power cells employing standard configurations of low-voltage components. The main problems of cascaded switched-capacitor multilevel inverters (CSCMLIs) are the harmful reverse flowing current of inductive loads, the large number of switches, and the surge current of the capacitors. As the number of switches increases, the reliability of the inverter decreases. To address these issues, a new CSCMLI is proposed using two modules containing asymmetric DC sources to generate 13 levels. The main novelty of the proposed configuration is the reduction of the number of switches while increasing the maximum output voltage. Despite the many similarities, the presented topology differs from similar topologies. Compared to similar structures, the direction of some switches is reversed, leading to a change in the direction of current flow. By incorporating the lowest number of semiconductors, it was demonstrated that the proposed inverter has the lowest cost function among similar inverters. The role of switched-capacitor inrush current in the selection of switch, diode, and DC source for inverter operation in medium and high voltage applications is presented. The inverter performance to supply the inductive loads is clarified. Comparison of the simulation and experimental results validates the effectiveness of the proposed inverter topology, showing promising potentials in photovoltaic, buildings, and domestic applications. A video demonstrating the experimental test, and all manufacturing data are attached.INDEX TERMS Cascaded, multi-level inverter, self-charging, switched-capacitor, total standing voltage. NOMENCLATURE t0-t13Time for each pulse of the steps (s). Nlevel Level numbers of the inverters.

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Section: B Mlis Involving Two or More DC Sources-literature Reviewmentioning

confidence: 99%

Section: B Mlis Involving Two or More DC Sources-literature Reviewmentioning

confidence: 99%

A New Hybrid Cascaded Switched-Capacitor Reduced Switch Multilevel Inverter for Renewable Sources and Domestic Loads

Rezaei

Nayeripour

et al. 2022

IEEE Access

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“…Considering the spectrum of traditional circuit converters for power solutions, they are mainly based on silicon MOSFETS and IGBTs [6].…”

Section: Recent Generations Of Power Devicesmentioning

confidence: 99%

“…Silicon MOSFETs typically operate at high switching frequency (100-200 kHz) and relatively low voltage range (well below 1 kV), representing the most competitive solution for consumer applications which rely on power converters operating up to 100 W or below. The Infineon CoolMOS superjunction (SJ) MOSFETs [46], for instance, have been recently released and are particularly suited for lowpower switched-mode power supply (SMPS) applications [6]. Considering the possible alternatives based on WBG…”

Section: Recent Generations Of Power Devicesmentioning

confidence: 99%

“…Silicon carbide (SiC) and gallium nitride (GaN) wide bandgap (WBG) semiconductors have been recently introduced in the power semiconductor market to complement and/or replace silicon devices [1]. In addition to better device-level performance [2], the key properties of these materials can bring advantages at the system level [3]- [5], leading to improved power efficiency, reduced size and weight and, possibly, lower overall cost [6]- [9].…”

Section: Introductionmentioning

confidence: 99%

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Power Electronics Based on Wide-Bandgap Semiconductors: Opportunities and Challenges

et al. 2021

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The expansion of the electric vehicle market is driving the request for efficient and reliable power electronic systems for electric energy conversion and processing. The efficiency, size, and cost of a power system is strongly related to the performance of power semiconductor devices, where massive industrial investments and intense research efforts are being devoted to new wide bandgap (WBG) semiconductors, such as silicon carbide (SiC) and gallium nitride (GaN). The electrical and thermal properties of SiC and GaN enable the fabrication of semiconductor power devices with performance well beyond the limits of silicon. However, a massive migration of the power electronics industry towards WBG materials can be obtained only once the corresponding fabrication technology reaches a sufficient maturity and a competitive cost. In this paper, we present a perspective of power electronics based on WBG semiconductors, from fundamental material characteristics of SiC and GaN to their potential impacts on the power semiconductor device market. Some application cases are also presented, with specific benchmarks against a corresponding implementation realized with silicon devices, focusing on both achievable performance and system cost.

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The role of power device technology in the electric vehicle powertrain

Robles

Matallana

Aretxabaleta

et al. 2022

Intl J of Energy Research

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Summary In the automotive industry, the design and implementation of power converters and especially inverters, are at a turning point. Silicon (Si) IGBTs are at present the most widely used power semiconductors in most commercial vehicles. However, this trend is beginning to change with the appearance of wide‐bandgap (WBG) devices, particularly silicon carbide (SiC) and gallium nitride (GaN). It is therefore advisable to review their main features and advantages, to update the degree of their market penetration, and to identify the most commonly used alternatives in automotive inverters. In this paper, the aim is therefore to summarize the most relevant characteristics of power inverters, reviewing and providing a global overview of the most outstanding aspects (packages, semiconductor internal structure, stack‐ups, thermal considerations, etc.) of Si, SiC, and GaN power semiconductor technologies, and the degree of their use in electric vehicle powertrains. In addition, the paper also points out the trends that semiconductor technology and next‐generation inverters will be likely to follow, especially when future prospects point to the use of “800 V" battery systems and increased switching frequencies. The internal structure and the characteristics of the power modules are disaggregated, highlighting their thermal and electrical characteristics. In addition, aspects relating to reliability are considered, at both the discrete device and power module level, as well as more general issues that involve the entire propulsion system, such as common‐mode voltage.

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Wide Bandgap DC–DC Converter Topologies for Power Applications

Cited by 37 publications

References 118 publications

A New Hybrid Cascaded Switched-Capacitor Reduced Switch Multilevel Inverter for Renewable Sources and Domestic Loads

A New Hybrid Cascaded Switched-Capacitor Reduced Switch Multilevel Inverter for Renewable Sources and Domestic Loads

Power Electronics Based on Wide-Bandgap Semiconductors: Opportunities and Challenges

The role of power device technology in the electric vehicle powertrain

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