Results 11 to 20 of about 7,539 (261)
A mode switching based transient ride‐through phase‐locked loop
IET Power Electronics, 2023 In the case of grid voltage quality problems, the traditional phase‐locked loop (PLL) is hard to detect the accurate grid frequency and phase during the transient response, which will be detrimental to the transient synchronous stability of grid ...
Yiwen Fan +4 more
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A PLL Scheme for Synchronization with Grid Voltage Phasor in Active Power Filter Systems
Electrical, Control and Communication Engineering, 2010 Voltage source inverters connected to the grid in applications such as active power filters require synchronization with the grid voltage. Since in practice the grid voltage can be unbalanced and distorted, but the operation of the whole active filter ...
Oskars Krievs +2 more
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Radar Waveform Generator with Fuzzy Frequency Regulation [PDF]
International Journal of Telecommunications: The Phase-Locked Loop (PLL) is a common functional component in many electrical systems. Phase-locked loops (PLLs) are closed-loop feedback-driven devices producing a signal depending on the frequency and phase of reference sig-nal that comes in.
Ahmed Salem +2 more
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Applied Sciences, 2022 This paper proposes a GPS receiver vector frequency-locked loop-assisted phase-locked loop (VFAPLL) structure based on the maximum likelihood estimation (MLE) method for highly dynamic weak-signal scenarios. In this structure, the loop structure does not
Na Li, Shufang Zhang, Yi Jiang
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Structural Resemblance Between Droop Controllers and Phase-Locked Loops
IEEE Access, 2016 It is well known that droop control is fundamental to the operation of power systems and now the parallel operation of inverters, while phase-locked loops (PLLs) are widely adopted in modern electrical engineering.
Qing-Chang Zhong, Dushan Boroyevich
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Digital Phase-Locked Loops: Exploring Different Boundaries
IEEE Open Journal of the Solid-State Circuits SocietyThis article examines the research area of digital phase-locked loops (DPLLs), a critical component in modern electronic systems, from wireless communication devices to RADAR systems and digital processors. As the demands for higher integration levels in
Yuncheng Zhang +2 more
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Energies, 2017 The control system of a doubly-fed adjustable-speed pumped-storage hydropower plant needs phase-locked loops (PLLs) to obtain the phase angle of grid voltage.
Wei Luo, Jianguo Jiang, He Liu
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Epigenetic reprogramming of lineage switching in cancer
FEBS Letters, EarlyView.Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı +4 more
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Understanding of the Coherent Demodulation with Phase-Locked Loop
MATEC Web of Conferences, 2018 The phase-locked loop (PLL) technology is a very important technology in the communication field. With the development of electronic technology toward digitalization, the phase-locked processing of signal needs to be realized in digital way.
Zhai Bingcong
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Molecular Oncology, EarlyView.The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka +9 more
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