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  5. Experimental Characterization of a 750-V 100-kW 16-kHz Bidirectional Isolated DC-DC Converter With a Unity-Turns-Ratio Transformer at Different Voltage Ratios

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Article
English
2020

Experimental Characterization of a 750-V 100-kW 16-kHz Bidirectional Isolated DC-DC Converter With a Unity-Turns-Ratio Transformer at Different Voltage Ratios

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English
2020
2022 IEEE Energy Conversion Congress and Exposition (ECCE)
Vol 25
DOI: 10.1109/ecce44975.2020.9235692

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Hirofumi Akagi
Hirofumi Akagi

Tokyo Institute of Technology

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Ryo Haneda
Hirofumi Akagi

Abstract

This paper focuses on precise conversion-efficiency measurement of a bidirectional isolated dc-dc converter using the 1.2-kV 400-A SiC-MOSFET/SBD H-bridge modules, along with a unity-turns-ration transformer. A specially-designed test bench for efficiency measurement is characterized by the cascade connection of the two identical 750-V 100-kW 16-kHz bidirectional isolated dc-dc converters. Although the test bench is equipped with two identical unity-turns-ratio transformers, both converters are capable of operating at different voltage ratios ranging from 0.87 to 1.13. Experimental results verify that the whole conversion efficiency from the dc input to the dc output is as high as 98.9% at the rated power of 100 kW with a voltage ratio of 1.13, and 98.6% at 100 kW with another voltage ratio of 0.87, excluding an auxiliary power loss of 82 W.

How to cite this publication

Ryo Haneda, Hirofumi Akagi (2020). Experimental Characterization of a 750-V 100-kW 16-kHz Bidirectional Isolated DC-DC Converter With a Unity-Turns-Ratio Transformer at Different Voltage Ratios. 2022 IEEE Energy Conversion Congress and Exposition (ECCE), 25, pp. 649-655, DOI: 10.1109/ecce44975.2020.9235692.

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Publication Details

Type

Article

Year

2020

Authors

2

Datasets

0

Total Files

0

Language

English

Journal

2022 IEEE Energy Conversion Congress and Exposition (ECCE)

DOI

10.1109/ecce44975.2020.9235692

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