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Cited by 22Advanced DC-DC ConvertersElectromagnetic Compatibility and Noise SuppressionMultilevel Inverters and Converters

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A High-Power-Density Converter With a Continuous Input Current Waveform for Satellite Power Applications

Lee, Nayoung, Lee, Ju-Young, Cheon, Yee-Jin, Han, Sang-Kyoo, Moon, Gun-Woo·2020·IEEE Transactions on Industrial Electronics
DOI 10.1109/tie.2019.2898584
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Abstract

Satellite dc-dc power converters are required to have electromagnetic interference (EMI) compatibility as well as high reliability. The requirement of high reliability limits the complexity of the structure as well as the number of low-reliability components. In this paper, a conventional active-clamp-forward (ACF) topology is examined for a satellite converter owing to its relatively simple structure, small number of components, and good clamping capability regarding its switch voltage stress. However, it has a pulsating input current shape, a high di/dt level, and high switch voltage stress, which are disadvantageous with regard to the EMI filter size and high-input-voltage converter applications. To overcome these drawbacks, a new ACF topology with a continuous input current waveform is proposed. In the proposed waveform, the voltage stresses on the main switches are relieved, which is crucial to ensure the reliability of satellite FET switches, by utilizing a two-series connected structure. These features allow the proposed converter to serve as a high-input-voltage, high power-density satellite converter. In this paper, 100 W prototype converters with 50 V inputs operating at 300 kHz are built with a high power density of 47.9 W/in3. Experiments on these prototype converters are carried out to verify the features.

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References 28 · Cited by 22

Research works printed but not linked: 25

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Metadata

Authors
Lee, N., Lee, J.-Y., Cheon, Y.-J., Han, S.-K., & Moon, G.-W.
Affiliations
  • Korea Advanced Institute of Science and Technology (KR)
  • Kookmin University (KR)
  • Korea Aerospace Research Institute (KR)
ORCID
Venue
IEEE Transactions on Industrial Electronics
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2020-02
Volume
67
Issue
2
Pages
1024-1035
ISSN
  • 0278-0046 (ISSN-L)
  • 1557-9948
DOI
10.1109/tie.2019.2898584
OpenAlex
W2915289191
Cited by
22
References
28
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 1 · 2022: 9 · 2020: 2
FWCI
1.08
Type
journal article
Language
en
Open access
closed
Licence
Locations
IEEE Transactions on Industrial Electronics (publishedVersion)
Funders
Korea Aerospace Research Institute (NTIS-2011-0030431)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electromagnetic Compatibility and Noise Suppression
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
Keywords
active clamp forward converter, high power density, high input voltage, switch voltage stress, electromagnetic interference, series-connected switches, FET switches, high reliability, DC-DC converter

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CoChat. (2026). Citation check: A High-Power-Density Converter With a Continuous Input Current Waveform for Satellite Power Applications. https://app.cochat.ai/papers/10.1109/tie.2019.2898584
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Lee, N., Lee, J.-Y., Cheon, Y.-J., Han, S.-K., & Moon, G.-W. (2020). A High-Power-Density Converter With a Continuous Input Current Waveform for Satellite Power Applications. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2019.2898584