3.3 kV/1500 A power modules for the world’s first all-SiC traction inverter

Hamada, K.; Hino, Shiro; Miura, Naruhisa; Watanabe, Hiroshi; Nakata, Shuhei; Suekawa, Eisuke; Ebiike, Yuji; Imaizumi, Mitsuru; Umezaki, Isao; Yamakawa, Satoshi

doi:10.7567/jjap.54.04dp07

Cited by 77 publications

(39 citation statements)

References 25 publications

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“…For instance, Bombardier Transportation has adopted a resolution that all manufactured vehicles will aim at a 100% recovery rate. This will be possible by minimizing the utilization of hazardous materials and substances, by increasing the applications of recycling-friendly materials, such as Aluminum and steel, and avoiding excess number of materials [47][48][49][50][51][52][53][54][55][56].…”

Section: Discussion On the Potential Of Rolling Stock Recyclingmentioning

confidence: 99%

“…As already mentioned, recycling glass lessens the demand for energy and cuts CO 2 emissions: for every 6 tons of recycled glass used, a ton of carbon dioxide is reduced. Furthermore, since glass recycling is a closed-loop system, it does not create additional waste [53].…”

Section: Discussion On the Potential Of Rolling Stock Recyclingmentioning

confidence: 99%

“…It is important to note that 'reuse' only has emission implications at the time of construction or manufacture. In this section, the applications of the main materials recycled from the trains [49][50][51][52][53][54][55][56][57][58][59][60][61][62][63] are discussed:…”

Section: Applications Of the Rolling Stocks' Recyclingmentioning

confidence: 99%

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Recycling of Rolling Stocks

Silva

Kaewunruen

2017

Environments

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This review paper highlights feasible and practicable approaches for managing end-of-life rolling stocks. It aims to promote and enable sustainable procurement policy for rolling stocks. Firstly, it demonstrates that modern rolling stocks can potentially gain the environmental benefits since almost all of their materials used in the rolling stock manufacturing can be recycled and reused. In this study, a brief definition and concept of various train types are introduced and discussed, accompanied by some demonstrative illustrations. Then, component analyses, recovery rates and percent proportion of each material in various rolling stock assemblies have been evaluated. The estimation of material quantities that can potentially be recycled has been carried out using industry data sources. The suitable management procedures for end-of-life rail vehicles are then discussed, together with the life cycle of the key materials in which the recyclability criteria take into account the environmental risks and the best and safest approaches to deal with them. The aim of this study is to increase the awareness of the public, train manufacturers and rail industries on the benefits to the environment from rolling stock recycling, which could result in sustainable society and urban livings.

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Section: Discussion On the Potential Of Rolling Stock Recyclingmentioning

confidence: 99%

Section: Discussion On the Potential Of Rolling Stock Recyclingmentioning

confidence: 99%

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Recycling of Rolling Stocks

Silva

Kaewunruen

2017

Environments

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“…The total volume and mass of the converter were reduced by 65% and 45%, respectively, compared with its Si-IGBT counterpart. On the other hand, all-SiC modules for traction and auxiliary inverters have been developed by Hitachi (3.3 kV/800 A) and Mitsubishi (3.3 kV/1500 A) in the last few years [15,105]. Specifically, all-SiC traction inverters with SiC MOSFETs are installed onboard the EMUs operated by Odakyu Electric Railways in Japan.…”

Section: Silicon Carbide Power Devicesmentioning

confidence: 99%

Onboard energy storage in rail transport: Review of real applications and techno‐economic assessments

Fedele

Iannuzzi

2021

IET Electrical Syst in Trans

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Despite low energy and fuel consumption levels in the rail sector, further improvements are being pursued by manufacturers and operators. Their primary efforts aim to reduce traction energy demand, replace diesel, and limit the impact of electrified overhead infrastructures. From a system-level perspective, the integration of alternative energy sources on board rail vehicles has become a popular solution among rolling stock manufacturers. Surveys are made of many recent realizations of multimodal rail vehicles with onboard electrochemical batteries, supercapacitors, and hydrogen fuel cell systems. The ratings, technical features, and operating data of onboard sources are gathered for each application, and a comparison among different technologies is presented. Traction system architectures and energy-control strategies of actual multimodal units are explored and compared with literature research. Moreover, the maturity and potential of recent technologies and alternative topologies of power converters for multimodal traction systems are discussed. Ultimately, onboard storage systems are compared with other solutions for energy-saving and catenary-free operation, with particular focus on their current techno-economic attractiveness as an alternative to diesel propulsion.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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“…This is due to a low resistance of the relatively thick drift region, enabled by conductivity modulation. Unipolar devices with a drift layer thickness of 12-30 µm result in V b = 1.2−3.3 kV, while for bipolar devices a drift layer thickness of 160-230 µm results in V b = 20−27 kV [85]- [88]. The optimal transition point between unipolar and bipolar devices depends on the application, but is predicted at around 10 kV [89].…”

Section: B High-power Sic Devicesmentioning

confidence: 99%

Comparative Evaluation of Voltage Source Converters With Silicon Carbide Semiconductor Devices for High-Voltage Direct Current Transmission

Jacobs

Heinig

Johannesson

et al. 2021

IEEE Trans. Power Electron.

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Recent advancements in silicon carbide (SiC) power semiconductor technology enable developments in the high-power sector, e.g., high-voltage direct current (HVdc) converters for transmission, where today silicon (Si) devices are state-of-theart. New submodule (SM) topologies for modular multilevel converters (MMCs) offer benefits in combination with these new SiC semiconductors. This paper reviews developments in both fields, SiC power semiconductor devices and SM topologies, and evaluates their combined performance in relation to core requirements for HVdc converters: grid code compliance, reliability, and cost.A detailed comparison of SM topologies regarding their structural properties, design and control complexity, voltage capability, losses, and fault handling is given. Alternatives to state-of-the-art SMs with Si insulated-gate bipolar transistors (IGBTs) are proposed, and several promising design approaches are discussed. Most advantages can be gained from three technology features. Firstly, SM bipolar capability enables dc fault handling and reduced energy storage requirements. Secondly, SM topologies with parallel conduction paths in combination with SiC metal-oxide-semiconductor field effect transistors (MOSFETs) offer reduced losses. Thirdly, a higher SM voltage enabled by higher blocking voltage of SiC devices results in reduced converter complexity. For the latter, ultra-high-voltage (UHV) bipolar devices, such as SiC IGBTs and SiC gate turn-off thyristors (GTOs), are envisioned. Index Terms-HVdc transmission, modular multilevel converter, power semiconductor devices, silicon carbide, submodules. I. INTRODUCTIONH VDC transmission technology requires integration into the existing alternating current (ac) grid. The conversion is performed via high-power converters. The modular multilevel converter (MMC) is a versatile and flexible topology with several options for optimization. MMCs have been intensively investigated since the early 2000's. It was identified, that modularity, scalability, built-in redundancy, and harmonic performance are advantageous for meeting widely varying requirements in grid applications. Compared to previous voltage source converters (VSC), the need for bulky harmonic filters is Keijo Jacobs

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3.3 kV/1500 A power modules for the world’s first all-SiC traction inverter

Cited by 77 publications

References 25 publications

Recycling of Rolling Stocks

Recycling of Rolling Stocks

Onboard energy storage in rail transport: Review of real applications and techno‐economic assessments

Comparative Evaluation of Voltage Source Converters With Silicon Carbide Semiconductor Devices for High-Voltage Direct Current Transmission

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