Donghua Pan

TL;DR: In this article, a capacitor-current-feedback active damping with reduced computation delay is proposed, which is achieved by shifting the capacitor current sampling instant towards the PWM reference update instant.

TL;DR: In this paper, a simple step-by-step controller design method for the LCL-type grid-connected inverter is proposed, and the complete satisfactory regions of the controller parameters for meeting the system specifications are obtained, and from which the controller parameter can be easily picked out.

TL;DR: The optimal design of the capacitor-current-feedback coefficient is presented and a phase-lag compensation for the loop gain is proposed in order to improve system stability for a resonance frequency of (fs/6).

TL;DR: A design-oriented transient stability analysis of the grid-forming VSCs is presented, revealing that the PSC and the basic droop control can retain a stable operation as long as there are equilibrium points, due to their noninertial transient responses, while thedroop control with LPFs and the VSG control can be destabilized even if the equilibrium points exist.

TL;DR: A generalized second- order complex-vector filter and a third-order complex- vector filter are proposed with the CVFM to achieve better dynamic performance or higher harmonic attenuation of the grid synchronization systems.