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Published in 2019 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2019.04.013
Abstract: Abstract Grid voltage parameters, including the amplitude, frequency and phase angle, are the essential information for the control and protection of power systems. The sinusoid-locked loop (SLL) is a novel approach to estimate the grid…
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Keywords:
grid voltage;
sinusoid locked;
locked loop;
voltage ... See more keywords
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Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2020.106980
Abstract: Abstract DC-offset in the input of the phase-locked loop (PLL) is an emerging problem that causes oscillations in the estimated fundamental grid phase, frequency, and voltage amplitude. The DC-offset rejection in grid synchronization is a…
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Keywords:
locked loop;
phase locked;
loop offset;
phase grid ... See more keywords
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Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.04.077
Abstract: Abstract In this paper, we analyze the relative stability of optical injection phase-locked loop (OIPLL) in terms of the phase margin considering loop-delay into account. Phase margin of first- and second-order OIPLL are calculated as…
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Keywords:
phase;
locked loop;
phase locked;
stability ... See more keywords
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Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.04.032
Abstract: Abstract The Doppler shift of the satellite-to-satellite coherent communication system reaches gigahertz magnitude. Owing to the influence of the linewidth and phase noise of the tuned laser, the optical phase-locked loop (OPLL) system is required…
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Keywords:
phase;
optical phase;
system;
locked loop ... See more keywords
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Published in 2018 at "Renewable and Sustainable Energy Reviews"
DOI: 10.1016/j.rser.2018.03.086
Abstract: Abstract The increasing penetration of distributed renewable energy sources (RES) requires appropriate control techniques in order to remain interconnected and contribute in a proper way to the overall grid stability, whenever disturbances occur. In addition,…
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Keywords:
phase;
locked loop;
renewable energy;
phase locked ... See more keywords
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Published in 2018 at "Electric Power Components and Systems"
DOI: 10.1080/15325008.2018.1511640
Abstract: Abstract In this article, a synchronous rotating-frame based phase-locked loop (PLL) for a single-phase PV inverter control system is presented. Detailed PLL mathematical model and the digital implementation for a single-phase PV inverter system are…
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Keywords:
phase;
implementation;
phase inverter;
locked loop ... See more keywords
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Published in 2017 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/38/2/025002
Abstract: A monolithic K-band phase-locked loop (PLL) for microwave radar application is proposed and implemented in this paper. By eliminating the tail transistor and using optimized high- Q LC -tank, the proposed voltage-controlled oscillator (VCO) achieves…
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Keywords:
monolithic band;
phase;
band phase;
locked loop ... See more keywords
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Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3100111
Abstract: The single-phase phase-locked loop (PLL) is essential for the stable operation and control of single-phase grid-connected converters. However, in practical applications, the grid voltage is usually affected by harmonics and dc offset, which will cause…
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Keywords:
locked loop;
phase phase;
phase locked;
sliding discrete ... See more keywords
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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2021.3140122
Abstract: To improve the performance of the frequency lock loop (FLL) under the conditions of a distorted power grid and unexpected noise, a new type of frequency locked loop (Al-FLL) is proposed, in which the AL-FLL…
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Keywords:
locked loop;
order;
fll;
noise ... See more keywords
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Published in 2022 at "IEEE Journal on Emerging and Selected Topics in Circuits and Systems"
DOI: 10.1109/jetcas.2022.3149805
Abstract: This paper investigates the impact of phase-locked loop (PLL) dynamic on the stability of DC-link voltage control (DVC) in voltage source converter (VSC) attached to weak grid. To start with, a small signal model of…
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Keywords:
dynamic stability;
voltage;
locked loop;
phase locked ... See more keywords
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Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3215457
Abstract: This letter proposes a novel finite position set-phase-locked loop (FPS-PLL) for permanent magnet synchronous motors sensorless drives. A novel cost function is designed to combine with the dichotomy of position for ensuring the astringency of…
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Keywords:
finite position;
position set;
locked loop;
phase locked ... See more keywords