Results 71 to 80 of about 22,805 (227)
Stability and Synchronization of MMC‐HVDC Systems Using SRF and Inertia‐Based PLLs
IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.This study investigates the influence of synchronous reference frame PLL (SRF‐PLL) and the inertia PLL (IPLL) on the stability of grid‐connected modular multilevel converter high voltage direct current (MMC‐HVDC) systems. The findings highlight intrinsic stability limitations of PLL‐based systems, offering insights toward more stable, PLL‐less ...
Shuai Wang, Robin Preece, Mike Barnes
wiley +1 more source
Method of Non-Data-Aided Carrier Recovery with Modulation Identification [PDF]
, 2004 A non-data aided carrier recovery technique using digital modulation format identification called multi-mode PLL (Phase Locked Loop) is proposed. This technique can be interpreted as a modulation identification method that is robust against static phase ...
Kohno, Ryuji +2 more
core +1 more source
Comparisons between synchronizing circuits to control algorithms for single-phase active converters [PDF]
, 2009 This paper presents a comparative analysis between synchronizing circuits applied to control algorithms for single-phase active converters. One of these synchronizing circuits corresponds to the single-phase PLL (Phase Locked Loop), implemented in α-β ...
Afonso, João L. +2 more
core +1 more source
IET Power Electronics, Volume 19, Issue 1, January/December 2026.A sequence impedance model of grid‐forming inverters is developed; a grid‐forming inverter's stabilisation strategy combining inductor current feedforward and coupling‐enhancing techniques is presented for strong‐grid applications. ABSTRACT Although the stable operation of grid‐forming inverters (GFMIs) in weak grids is well‐documented, undesirable ...
Xu Wu +5 more
wiley +1 more source
IMPLEMENTASI PHASE LOCKED LOOP (PLL) PADA PEMANCAR FM STEREO MENGGUNAKAN DSP PLL QN8027
Journal Of Power electric And Renewable EnergyPemancar FM merupakan salah satu media komunikasi yang efektif untuk menyampaikan pesan berita serta hiburan dimasyarakat, pemancar FM bekerja dengan merubah satu atau lebih sinyal input, berupa frekuensi audio yang diproses menjadi gelombang termodulasi menjadi siyal RF sebagai output daya, kemudian disalurkan ke sistem antena untuk dipancarkan ...
Aris Subhan +2 more
openaire +1 more source
IET Power Electronics, Volume 19, Issue 1, January/December 2026.This paper presents an LQR‐based strategy for seamless transition between grid‐forming and grid‐following inverters in microgrids. The proposed design integrates the comprehensive control loops of the grid‐forming and grid‐following inverters. A systematic, gradient‐based optimization framework is used for selecting the weighting matrices.
Adel Tatish, Kanchapogu Vaisakh
wiley +1 more source
IET Power Electronics, Volume 19, Issue 1, January/December 2026.Grid‐forming static var generators (SVG) with supercapacitors and power electronics can provide dynamic reactive compensation and inertia support, but challenges exist in coordinating their inertia support with automatic generation control (AGC) units in renewable energy gathering stations.
Jianhui Meng +4 more
wiley +1 more source
A fast three-phase synchronization technique with parallel structure
Energy Reports, 2020 For many grid-connected equipment, the phase and frequency of grid voltage are crucial synchronization information. A phase-locked loop (PLL) is usually employed to obtain the information.
Jinbo Li +5 more
doaj +1 more source
Wideband phase-locked angular modulator [PDF]
A phase-locked loop (PLL) angular modulator scheme has been proposed which has the characteristics of wideband modulation frequency response. The modulator design is independent of the PLL closed-loop transfer function H(s), thereby allowing independent ...
Nguyen, L.
core +1 more source
Hold-in, pull-in, and lock-in ranges of PLL circuits: rigorous mathematical definitions and limitations of classical theory [PDF]
, 2015 The terms hold-in, pull-in (capture), and lock-in ranges are widely used by engineers for the concepts of frequency deviation ranges within which PLL-based circuits can achieve lock under various additional conditions. Usually only non-strict definitions
Kuznetsov, N. V. +3 more
core +2 more sources