Results 11 to 20 of about 40,201 (266)
Phase Locked Loop Test Methodology [PDF]
, 2008 Phase locked loops are incorporated into almost every large-scale mixed signal and digital system on chip (SOC). Various types of PLL architectures exist including fully analogue, fully digital, semi-digital, and software based.
Burbidge, Martin, Richardson, Andrew
core +4 more sources
Modeling and Robust Control of a Grid Connected Direct Driven PMSG Wind Turbine By ADRC
Advances in Electrical and Electronic Engineering, 2018 In this paper, we present the modeling and control of a grid connected Variable Speed Wind Energy Conversion System (VS-WECS) based on a Direct Driven Permanent Magnet Synchronous Generator (DD-PMSG).
Imad Aboudrar +3 more
doaj +1 more source
Optimization of PLL frequency synthesizer [PDF]
Омский научный вестник, 2019 The influence of different configurations of phase-locked loop frequency (PLL) with integer coefficients on parameters of the PLL loop of the frequency synthesizer is considered.
G. A. Koshuk +2 more
doaj +1 more source
IET Smart Grid, 2020 The large-scale penetration of electric vehicles (EVs) into the power system will provoke new challenges needed to be handled by distribution system operators (DSOs). Demand response (DR) strategies play a key role in facilitating the integration of each
İbrahim Şengör +5 more
doaj +1 more source
Influence of PLL on synthetic inertia of DFIG wind turbine in droop controlled microgrids
The Journal of Engineering, 2019 Islanded microgrids allow for a continuous supply of customers even when there is an outage in the bulk power system. The frequency control and stability in microgrids is an ongoing field of research.
Simon Eberlein, Krzysztof Rudion
doaj +1 more source
Modeling and frequency characteristic analysis of DSOGI-PLL in dq reference frame
Energy Reports, 2021 Dual second-order generalized integrator phase-locked loop (DSOGI-PLL) is widely used in grid-connected system for grid synchronization because of its simple implementation and good filtering capability.
Yongxin Zhang +5 more
doaj +1 more source
Low Power 24 GHz ad hoc Networking System Based on TDOA for Indoor Localization
ISPRS International Journal of Geo-Information, 2013 This paper introduces the key elements of a novel low-power, high precision localization system based on Time-Difference-of-Arrival (TDOA) distance measurements. The combination of multiple localizable sensor nodes, leads to an ad hoc network.
Melanie Jung +3 more
doaj +1 more source
Sensorless control for surface mounted PM machine with a high inertial load
CES Transactions on Electrical Machines and Systems, 2018 PM machine or Permanent magnet synchronous motor (PMSM) is a nonlinear system with multivariable couplings. To achieve the sensorless control of a PMSM with high inertial load, a modified current observer, using PI regulator instead of sliding mode ...
Qidong Li +4 more
doaj +1 more source
Integral‐type half‐tangent phase‐locked loop for more electric aircraft grids
IET Power Electronics, 2023 In this paper, an integral‐type half‐tangent phase‐locked loop (IHTan‐PLL) is proposed for the varying‐frequency AC grids of more electric aircraft (MEA).
Yiyun Zhao +5 more
doaj +1 more source
Hydrophilic Natural Polylysine as Drug Nanocarrier for Preparation of Helical Delivery System
Pharmaceutics, 2022 Polypeptide materials have clear secondary structure and biodegradability, which can be further modified and functionalized, so that they can be employed as therapeutic agents in clinical applications. PEGylation of polylysine (PEG-PLL) is a kind of safe
Bo Yu +4 more
doaj +1 more source