Highly Integrated 200 kW SiC Three-Phase Dual-Active-Bridge Converter with 3D-Printed Fluid Coolers

Bündgen, David; Thönnessen, André; Fritz, Niklas; Kamp, Tobias; Doncker, Rik W. De

doi:10.1109/wipda49284.2021.9645076

Cited by 9 publications

(6 citation statements)

References 4 publications

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“…In the design described in this paper, high power (350 kW) and high switching frequency (50 KHz) are combined in the same product. The measured peak efficiency in [26][27][28][29] is around 98%: this efficiency can represent a maximum target for the system described in this paper.…”

Section: DCmentioning

confidence: 74%

“…Four relevant examples of the implementation of state-of-the-art DAB converters with similar power ratings (100-500 kW) and voltage levels (i.e., 400-800 V) are available in the literature [26][27][28][29]. It is interesting to notice, for all the published DAB converters at this power ratings with state-of-the-art performance, the selected technology in SiC FET modules.…”

Section: DCmentioning

confidence: 99%

“…It is interesting to notice, for all the published DAB converters at this power ratings with state-of-the-art performance, the selected technology in SiC FET modules. The designs of [26,28] are 100 kW converters at 20 kHz and 16 kHz switching frequency, respectively; the converter in [27] delivers 200 kW at 50 kHz, whereas the one in [29] is a 500 kW DAB converter at 20 kHz. In the design described in this paper, high power (350 kW) and high switching frequency (50 KHz) are combined in the same product.…”

Section: DCmentioning

confidence: 99%

See 2 more Smart Citations

Design of a 350 kW DC/DC Converter in 1200-V SiC Module Technology for Automotive Component Testing

Alemanno

Ronchi²,

Rossi

et al. 2023

Energies

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In this paper, the design and implementation of a DC/DC converter for automotive component testing with state-of-the art performance is described. The converter is the core of a battery emulator for the characterization and development of automotive batteries, electronic chargers, traction inverters, DC-DC converters, E-motors and E-axles. Cutting edge performance, flexibility and compactness are obtained by exploiting 1200-V SiC modules, high switching frequency, planar transformer technology, suitable topology solutions and fast digital control strategies. The implemented system is a liquid-cooled, bidirectional converter with galvanic isolation capable of 350 kW continuous output power, output voltage range 48–1000 V, continuous output current up to 800 A (1600 A peak), voltage/current ramp-up time below 10/2 ms and 0.1% current/voltage accuracy. The entire instrument is implemented in a standard full-height 19-inch rack cabinet.

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Section: DCmentioning

confidence: 74%

Section: DCmentioning

confidence: 99%

Section: DCmentioning

confidence: 99%

See 1 more Smart Citation

Design of a 350 kW DC/DC Converter in 1200-V SiC Module Technology for Automotive Component Testing

Alemanno

Ronchi²,

Rossi

et al. 2023

Energies

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show abstract

“…DAB 1phase converters are used very widely and, depending on the design, they can be used in medium power and medium voltage systems [7,17,18]. Multi-phase topologies are mainly found in higher-power applications, for power higher than 10 kW [17][18][19][20]. A comparison of the schematic of DAB 1-phase versus DAB 3-phase topology scheme is shown in Figure 1.…”

Section: Topology Comparisonmentioning

confidence: 99%

“…It is assumed that transformers with a common core have a much higher price and slightly a higher efficiency [17]; however, results can vary depending on the design. The type of winding connection in a three-phase system depends on the designer and the expected results as well as exemplary topologies are discussed in [17][18][19][20][21][22][23][24]. The most popular topologies are Star-Star and Star-Delta.…”

Section: Topology Comparisonmentioning

confidence: 99%

Comparative analysis of three‐phase dual active bridge converter with different transformer topology and modern universal control for DC microgrids

Bachman,

Turzyński,

Jasiński

2024

IET Power Electronics

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The presented work discusses issues related to the use of modern multiphase topologies of Dual Active Bridge (DAB)‐type converters. Converters of this type are widely used in most DC microgrid applications. The introduction emphasizes a comparative analysis between single‐phase and multi‐phase DAB topologies within high‐power DC microgrids, delving into their respective advantages, drawbacks, design procedures, and considerations based on the latest knowledge. The publication explores the comparison and selection of viable topologies for deployment in high‐power and high‐efficiency DC microgrids. The unified method of controlling 1‐phase and multi‐phase DAB converters was proposed in this design, simplifying the issues of DC microgrid control. All topologies were tested on the same controller concept. The study performs laboratory investigation of DAB 1‐phase and 3‐phase: Star–Star, and Star–Delta topologies. Attention was paid to maintaining uniform operating conditions of the system, contrary to studies known from the literature, all tests were carried out on the same laboratory stand and the same magnetic components in different configurations. Analytical and laboratory analyses of the Zero Voltage Switching (ZVS) region were performed, accounting for non‐linear phenomena. Based on these findings, an assessment of the system's performance in soft switching was carried out. The presented results were implemented in a simulation model and subsequently validated through tests on a constructed laboratory setup to ensure the proper operation of the system. This work meticulously presents and discusses variations in efficiency, dynamic response, phase current harmonic distribution, phase shift distribution, ZVS switching region, and more among the examined topologies. To ensure a fair comparison, the converter configuration for both simulation and laboratory models utilized identical components across all configurations.

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A Simple, Decoupled Control Concept for a Modular DC-DC Converter in ISOP, IPOP, and Back-to-Back Connection

Fritz

Bündgen

Austrup

et al. 2021

2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL)

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Highly Integrated 200 kW SiC Three-Phase Dual-Active-Bridge Converter with 3D-Printed Fluid Coolers

Cited by 9 publications

References 4 publications

Design of a 350 kW DC/DC Converter in 1200-V SiC Module Technology for Automotive Component Testing

Design of a 350 kW DC/DC Converter in 1200-V SiC Module Technology for Automotive Component Testing

Comparative analysis of three‐phase dual active bridge converter with different transformer topology and modern universal control for DC microgrids

A Simple, Decoupled Control Concept for a Modular DC-DC Converter in ISOP, IPOP, and Back-to-Back Connection

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