Single-phase phase-locked loops (PLLs) are popular for the synchronization and control of
single-phase grid-connected converters. They are also widely used for monitoring and …

Synchronization is the key part to ensure the high performance of grid-connected systems.
Phase-locked loop (PLL) is one of the most popular synchronizations due to its simple …

For single-phase grid-connected inverters, the second-order generalized integrator-based
phase-locked loop (SOGI-PLL) is widely used for good harmonics attenuation and frequency …

In renewable power generation systems, ensuring the synchronization of the inverter and
the power grid is crucial for the stable operation of grid-connected inverters. Nowadays, the …

Second-order generalized integrator (SOGI) requires fast and accurate grid voltage
frequency information for quadrature signal generation (QSG) in single-phase systems …

Low-cost single-phase grid connected converters require synchronization with the grid
voltage to obtain a better response and protection under diverse conditions, such as …

The rectangular window filter, typically known as the moving average filter (MAF), is a quasi-
ideal low-pass filter that has found wide application in designing advanced single-phase …

In this paper, the basic principle and characteristics of a phase-locked loop (PLL) in a single
phase grid-connected system are analyzed, and this paper introduces one type virtual …

Different phase-locked loop algorithms applied to three-phase grid voltages implement a
closed control loop based on the Park transform to obtain the grid voltage instantaneous …

Integrating Distributed Generators (DGs) in DC microgrids require islanding detection in all
converters. Impedance-based islanding detection methods can be beneficial in single …