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Titel:

Boundaries Extension of Stability Region and z-Domain Controller Implementation for Grid-Forming Converters

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Sen Zhang, Kangli Liu, Jianfeng Zhao, Wei Tian, Cheng Jin, Ralph Kennel, Marcelo Lobo Heldwein
Abstract:
Grid-forming (GFM) converters can support system voltage and frequency, which promotes the integration between distributed generations and power grid. Due to the time delay of digital control, the virtual impedance exhibits opposite damping characteristics on both sides of 1/6 of the sampling frequency ( fs /6). The stable operation of GFM converters can be achieved by setting a reasonable damping feedback coefficient in each separate frequency interval. However, the load or line impedance varia...     »
Zeitschriftentitel:
IEEE Journal of Emerging and Selected Topics in Industrial Electronics
Jahr:
2023
Jahr / Monat:
2023-09
Quartal:
3. Quartal
Monat:
Sep
Heft / Issue:
Volume: 5, Issue: 2, April 2024
Seitenangaben Beitrag:
425 - 436
Reviewed:
ja
Sprache:
en
Volltext / DOI:
doi:10.1109/JESTIE.2023.3319251
Verlag / Institution:
IEEE
Print-ISSN:
2687-9735
E-ISSN:
2687-9743
Hinweise:
Funding Agency: National Natural Science Foundation of China (Grant Number: 51807029) China Postdoctoral Science Foundation (Grant Number: 2020T130094)
Publikationsdatum:
26.09.2023
Copyright Informationen:
IEEE
Semester:
SS 23
TUM Einrichtung:
Lehrstuhl für Hochleistungs-Umrichtersysteme
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