Modulation Identification and Carrier Recovery System for Adaptive Modulation in Satellite Communications [PDF]
, 2005 We introduce the modulation identification technique implementing the multimode phase locked loop (PLL) in the satellite communication using adaptive modulation scheme which is a countermeasure against the rain attenuation.
Kohno, Ryuji +2 more
core +1 more source
Analysis of a Novel Brushless Doubly Fed Reluctance Generator Based Wind Energy Conversion System
Energy Science &Engineering, EarlyView.BDFRG based grid connected wind energy conversion system. ABSTRACT This paper presents a grid connected Brushless Doubly‐Fed Reluctance Generator (BDFRG) based wind energy conversion system. It offers a reliable and cost‐effective solution since its brushless and cage‐less rotor structure eliminates the need for slip rings, reducing maintenance costs ...
Subir Datta +6 more
wiley +1 more source
Design of a fast-acquisition phase-locked loop for frequency control systems
Dianzi Jishu YingyongPhase-locked loop (PLL) is a negative feedback control system that can achieve phase synchronization of two signals. Its filtering effect can make its passband narrow, and its output frequency automatically track the input frequency.
Chang Jian +4 more
doaj +1 more source
Network Dynamics of a Fractional-Order Phase-Locked Loop with Infinite Coexisting Attractors
Complexity, 2020 We have investigated a fractional-order phase-locked loop characterised by a third-order differential equation. The integer-order mathematical model of the phase-locked loop (PLL) is first converted to fractional order using the Caputo-Fabrizio method ...
Anitha Karthikeyan +1 more
doaj +1 more source
A novel phase-locked loop applied on frequency fluctuation of EAST power supply
Energy Reports, 2020 The excellent performance of synchronous phase locked technology is the basis of improving the power quality of Experimental Advanced Superconducting Tokamak (EAST) power system.
Liang Tan +6 more
doaj +1 more source
Transient Instability Mechanism and Control Method of PLL-Based Grid-Connected VSC
Zhongguo dianli, 2022 The transient instability mechanism and control method of grid-following control voltage source converter (VSC) are comprehensively studied to solve the transient instability of PLL (phase locked loop)-based VSC with consideration of the influence of ...
Zheng CHEN +5 more
doaj +1 more source
15 GHz quadrature voltage controlled oscillator in 130 nm CMOS technology [PDF]
, 2011 This paper reports a 15 GHz quadrature voltage controlled oscillator (QVCO) designed in a 130 nm CMOS technology. The phase noise performance of the QVCO and of a phase locked loop (PLL) where the QVCO was inserted were compared with the literature and ...
BORGARINO, Mattia +4 more
core +3 more sources
Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects
High Voltage, EarlyView.ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi +3 more
wiley +1 more source
Ultrasound array transmitter architecture with high timing resolution using embedded phase-locked loops [PDF]
, 2012 Coarse time quantization of delay profiles within ultrasound array systems can produce undesirable sidelobes in the radiated beam profile. The severity of these sidelobes is dependent upon the magnitude of phase quantization error - the deviation from ...
Cowell, DMJ +4 more
core +1 more source
On the Enhancement of Generalized Integrator-based Adaptive Filter Dynamic Tuning Range [PDF]
, 2020 International audienceMany phase-locked loop (PLL) or frequency-locked loop (FLL) use quadrature signals (directly or indirectly) as the input variables.
Ahmed, Hafiz, Benbouzid, Mohamed
core +1 more source