Robustness improvement of single-phase inverters under weak grid cases by adding grid current feedforward in delay-based phase-locked loop

HIGHLIGHTS

• who: Phase-Locked Loop and colleagues from the College of Automation Engineering, Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing, China have published the research work: Robustness Improvement of Single-Phase Inverters Under Weak Grid Cases by Adding Grid Current Feedforward in Delay-Based Phase-Locked Loop, in the Journal: (JOURNAL)
• what: To work satisfactorily in the very weak grid this study aims to formulate a robust PLL. This study proposes a robust PLL approach for the single-phase system with the large grid impedance (e_g, with a short-circuit ratio (SCR) of 3). This . . .
  

   

  

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