articleIEEE Open Journal of the Industrial Electronics SocietyJan 1, 2024GOLD OA

Grid-Forming Inverters: A Comparative Study of Different Control Strategies in Frequency and Time Domains

NMNabil MohammedHUHarith UdawatteWZWeihua ZhouDJDavid J. HillBBBehrooz Bahrani

Monash University

Indexed incrossrefdoaj

Abstract

Grid-forming inverters (GFMIs) are anticipated to play a leading role in future power systems. In contrast to their counterpart grid-following inverters, which employ phase-locked loops for synchronization with the grid voltage and rely on stable grid connections, GFMIs primarily employ the power-based synchronization concept to form the voltage. Hence, they can not only stably operate in regions of the grid characterized by low strength but also provide critical ancillary services to power systems, including voltage, frequency and inertia support. Several control strategies have been employed for GFMIs, making it crucial to comprehend their stability characteristics for the analysis of small-signal stability…

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129
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100%
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66
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Authors

5

Topics & keywords

Topics
Keywords
  • Voltage droop
  • Control theory (sociology)
  • Grid
  • Robustness (evolution)
  • Computer science
  • Electrical impedance
  • Frequency domain
  • Automatic frequency control
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