Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/67121

TitleComparative analysis between different approaches for single-phase PLLs
Author(s)Monteiro, Luis
Pinto, J. G.
Monteiro, Vítor Duarte Fernandes
Couto, Carlos
Afonso, João L.
KeywordsPhase-Locked Loop (PLL)
αβ-PLL
Enhanced PLL (E-PLL)
Digital Signal Processor (DSP)
Power Quality
Issue date2020
PublisherInderscience
JournalInternational Journal of Power Electronics
Abstract(s)This paper presents a comparative analysis between two distinct synchronizing circuits, which are usually applied as the core of control algorithms for single-phase power quality applications. One of these synchronizing circuits corresponds to a single-phase Phase-Locked Loop (PLL), implemented in α-β coordinates (αβ-PLL), whereas the other one corresponds to the Enhanced PLL (E-PLL). The major contribution of this paper is to present a single-phase PLL oriented to power quality applications, with a very simple structure, capable to be synchronized with the fundamental component of an input signal (voltage or current), even considering substantial disturbances, such as, frequency deviations, phase shifts, harmonic components and amplitude variations. Simulation and experimental results, involving these two synchronizing circuits submitted to three different test cases, are provided in order to compare their transient and steady-state performance. Moreover, it is also presented a comparison involving the processing speed and memory requirements of these synchronizing circuits in the DSP TMS320F28335.
TypeArticle
Description"In press"
URIhttps://hdl.handle.net/1822/67121
ISSN1756-638X
e-ISSN1756-6398
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CAlg - Artigos em revistas internacionais / Papers in international journals

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