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 …

With the ever growing environmental concerns, renewable energy sources emerge as a
promise of clean and abundant energy, enabling long-term sustainable development. In this …

Suppressing the negative effects of grid voltage harmonics on the estimated frequency of a
phase-locked loop (PLL) is a challenge in literature. This article proposes an easy-to …

The quasi-type-l phase-locked loop (QT1-PLL) is a grid synchronization technique that has
become very popular in recent years thanks to its attractive performance such as easy …

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

In power electronics and power systems, the dual-phase-locked loop (DPLL) is a well-
accepted approach to maintain zero steady-state errors when subjecting to a frequency …

In this article, an improved grid synchronization method for three-phase grid-feeding
converters using a dual enhanced second-order generalized integrator (eSOGI) frequency …

A second-order generalized integrator (SOGI) is a resonant regulator with a pair of complex-
conjugate poles, and therefore, with infinite magnitude at its center frequency. Thanks to this …

In power and energy applications, implementing a large number of phase-locked loops
(PLLs) involves using transfer delays. These delays are employed for different control and …

The proposed work delivers a robust control solution for a single-phase permanent magnet
synchronous generator-based wind power conversion system (PMSG-WPCS) to enhance …