Virtual Inductive Reactance-Based Power Analysis and Decoupling Control for Grid-Forming Inverters

This study conducts modeling and analysis on the grid-side converter, followed by an investigation into the coupling effects induced by the voltage loop. It explores the prevalent active and reactive power coupling issues in virtual synchronous control schemes and proposes a decoupling strategy based on steady-state synchronous virtual inductive reactance for the AC voltage loop. The effectiveness of the proposed scheme was finally verified through simulation.