One of the critical components for the efficient operation of single-phase grid-connected
converters is the synchronization unit. This paper presents a fast and adaptive phase-locked …

In this paper, a new open-loop architecture with good dynamic performance and strong
harmonic rejection capability is proposed for single-phase grid synchronization under …

Synchronization with the grid voltage is critical in the control of grid-connected power
converters. Under unbalanced grid condition, the conventional synchronous reference frame …

In this paper, an enhanced transfer-delay frequency-locked loop (ETD-FLL) is proposed to
achieve grid synchronization for single-phase grids. Applying two transfer-delay units, a …

A grid synchronization technique is essential for grid-connected power converters. Phase-
locked loop (PLL) has been widely exploited as an implementation technique, but additional …

Performance of grid-connected converter relies on fast and precise estimation of phase
angle and amplitude of the fundamental component of grid voltage signal to guarantee the …

Fast and precise tracking of grid voltage attributes is essential for the smooth and reliable
control and operation of grid-side converters. The synchronous reference-frame phase …

DC-offset in the input of the phase-locked loop (PLL) is an emerging problem that causes
oscillations in the estimated fundamental grid phase, frequency, and voltage amplitude. The …

As universally well known, the phase angle of the grid voltage is a crucial parameter to the
control performance of the grid-tied power converters. This paper emphases on robust grid …

Grid synchronization is one of the key techniques for the grid-connected power converters
used in distributed power generation systems. In order to achieve fast and accurate grid …