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Golestan, Saeed; Guerrero, Josep M.; Vasquez, Juan C.
IEEE transactions on power electronics, 2017-March, 2017-3-00, 20170301, Letnik: 32, Številka: 3Journal Article
A phase-locked loop (PLL) is a nonlinear negative-feedback control system that synchronizes its output in frequency as well as in phase with its input. PLLs are now widely used for the synchronization of power-electronics-based converters and also for monitoring and control purposes in different engineering fields. In recent years, there have been many attempts to design more advanced PLLs for three-phase applications. The aim of this paper is to provide overviews of these attempts, which can be very useful for engineers and academic researchers.
