Cited by 10Multilevel Inverters and ConvertersMicrogrid Control and OptimizationAdvanced DC-DC Converters

Load-Dependent Active Thermal Control of Grid-Forming Converters

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Andresen, Markus, De Carne, Giovanni, Liserre, Marco·2020·IEEE Transactions on Industry Applications

Abstract

Grid-forming converters enable an asynchronous connection of grids, which opens new opportunities for the power system management. This includes the potential to control the amplitude and the frequency of the grid voltage to vary the power consumption of the loads and the generation in the grid. Depending on the load sensitivity to voltage and frequency, the power transfer of the grid-forming converter changes. Remarkably, this has an impact on the power semiconductors by means of thermal stress, which is limiting the lifetime of the devices. This article aims to investigate and mitigate the thermal stress in grid-forming converters by applying a load voltage-sensitivity control. Depending on the nature of the loads, their power consumption varies with the voltage. This response is dependent on the connected loads and can be characterized by constant power (independent from the voltage), constant current (linearly dependent on the voltage), and constant impedance behavior (squared-dependent on the voltage). The sensitivity to voltage is exploited to control the load power consumption, reducing the junction temperature fluctuations and, thus, the power semiconductors stress.

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Registry

Crossref · 10.1109/tia.2020.2966573

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28 of 28 references verified0 citation errors · 0 not checkable

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  • Adapting PSFB converters based on WBG devices for EV/HEV applications has become a new trend.

    “This has become a new trend to adapt PSFB converters based on the WBG devices for EV/HEV applications [31], [34], [35], [37].”
  • The long-term trend is moving toward bidirectional charging, where EV/HEV can support the power grid by feeding the battery power back to the grid.

    “The long-term trend is moving toward bidirectional charging, where EV/HEV can support the power grid by feeding the battery power back to the grid [31].”

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Authors
Andresen, M., De Carne, G., & Liserre, M.
Affiliations
Christian-Albrechts-Universität zu Kiel (DE)
Venue
IEEE Transactions on Industry Applications
Published
2020-03
Volume
56
Issue
2
Pages
2078-2086
ISSN
  • 0093-9994 (ISSN-L)
  • 1939-9367
OpenAlex
W2998985415
Cited by
10
References
28
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 1
FWCI
0.43
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Industry Applications (publishedVersion)
  • Repository KITopen (Karlsruhe Institute of Technology) (acceptedVersion)
  • KITopen
Funders
  • European Research Council
  • European Union's Seventh Framework Programme (616344)
  • German Federal Ministry of Education and Research
  • New ENergy grid StructURes for the German Energiewende (03SFK1I0)
  • German Federal Ministry for Economic Affairs and Energy
  • KielFlex Kiel als Vorbild fur die Errichtung von Ladeinfrastruktur in einem fexiblen Stromnetz zur Umsetzung einer Emissionsreduktion im Transportsektor (01MZ18002D)
  • Ministry of Science, Research and the Arts of the State of Baden-Württemberg (33-7533.-30-10/67/1)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
  • Physical Sciences › Engineering › Control and Systems Engineering › Microgrid Control and Optimization
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
Keywords
grid-forming inverters, active thermal control, thermal stress, constant power load, constant current load, constant impedance load, frequency regulation

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