reviewIEEE Open Journal of Power ElectronicsJan 1, 2022GOLD OA

A Review of Current-Limiting Control of Grid-Forming Inverters Under Symmetrical Disturbances

BFBo FanTLTeng LiuFZFangzhou ZhaoHWHeng WuXWXiongfei Wang

Aalborg University · KTH Royal Institute of Technology

Indexed incrossrefdoaj

Abstract

Grid-forming (GFM) inverters are recognized as a viable solution to increase the penetration of renewable energy in bulk power systems. However, they are physically different from synchronous generators in terms of overcurrent capability. To protect the power semiconductor devices and support the power grid under severe symmetrical disturbances, the GFM control systems should be able to achieve the following requirements: current magnitude limitation, fault current contribution, and fault recovery capability. Various current-limiting control methods are reported in the literature to fulfill these goals, including current limiters, virtual impedance, and voltage limiters. This paper presents an overview of…

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Topics & keywords

Topics
Keywords
  • Overcurrent
  • Current limiting
  • Overvoltage
  • Control theory (sociology)
  • Grid
  • Fault current limiter
  • Transient (computer programming)
  • Engineering
UN Sustainable Development Goals
  • Affordable and clean energy
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