In the new energy grid-connected power generation system, accurately extracting the grid
synchronization signals such as the frequency, phase and amplitude of the grid voltage is …

The phase-locked accuracy of conventional phase-locked method is reduced when the grid
voltage contains fundamental frequency negative sequence (FFNS) component, harmonic …

In this paper, a phase‐lock loop control algorithm based on enhanced complex coefficient
filter (ECCF‐PLL) is proposed to estimate the fundamental frequency positive‐sequence …

The interconnection of new generating and storing devices to the power grid imposes the
necessity of synchronizing, so the power flow can be manipulated and distributed. In the …

The phase‐locked loop (PLL) is an available synchronisation technique that can extract the
fundamental frequency and phase of the grid. Benefited from the filter properties, pre‐filter …

Cascaded H‐bridge multilevel converter is widely applied in flexible AC transmission and
grid connection of renewable energy, but its current quality decreases as the grid voltage …

The fourth‐order generalised integrator is very suitable for single‐phase phase‐locked loop
because it can provide orthogonal signal conveniently and block harmonic voltages …