A 27 GHZ Phase-Lock Loop Phase Detector

2006 ◽  
Author(s):  
John P. Carr ◽  
Brian M. Frank
Keyword(s):  
Phase Lock Loop ◽  
Phase Detector ◽  
Phase Lock

Synchronization of a Single-phase Photovoltaic Generator With the Low-Voltage Utility Grid

2011 ◽  
Vol 134 (1) ◽  
Author(s):  
Nader Anani ◽  
Omar Al-Kharji ◽  
Prasad Ponnapalli ◽  
Saleh Al-Araji ◽  
Mahmoud Al-Qutayri
Keyword(s):  
Renewable Energy ◽  
Single Phase ◽  
Low Voltage ◽  
Phase Lock Loop ◽  
Phase Detector ◽  
Small Scale ◽  
Correct Operation ◽  
Phase Lock ◽  
Pv Inverter ◽  
Single Phase Inverter

The increased generation of electrical energy from renewable sources and its integration into the low voltage grid have necessitated regulations governing the connection of renewable energy generators to the grid. This was deemed necessary to preserve the integrity and the correct operation of the grid. This paper presents a new architecture of a hybrid phase lock loop circuit topology for synchronizing a single-phase inverter fed from a renewable energy source such as a photovoltaic (PV) generator to the low voltage grid. The system uses a digital phase lock loop (DPLL) architecture, which is based on the arctan phase detector, driving a phase lock loop (PLL) to synchronize a PV inverter with the grid. The proposed system has been tested by simulation using simulink/matlab. The test results demonstrate the ability of the system to synchronize a PV inverter with the grid and to re-establish synchronization following a sudden perturbation in the grid voltage such as a single or a multistep change in phase. The system is digital and can be readily implemented using an FPGA (field programmable gate array) and hence can be easily embedded in a home or small scale single-phase PV inverter.

scholarly journals Monolithically integrated heterodyne optical phase-lock loop with RF XOR phase detector

2011 ◽  
Vol 19 (21) ◽  
pp. 20048 ◽  
Author(s):  
Robert J. Steed ◽  
Francesca Pozzi ◽  
Martyn J. Fice ◽  
Cyril C. Renaud ◽  
David C. Rogers ◽  
...  
Keyword(s):  
Phase Lock Loop ◽  
Phase Detector ◽  
Phase Lock ◽  
Optical Phase ◽  
Monolithically Integrated

A cryogenic phase detector for a cooled wideband phase-lock loop system

2008 ◽  
Vol 53 (5) ◽  
pp. 594-599 ◽  
Author(s):  
A. V. Khudchenko ◽  
V. P. Koshelets ◽  
A. B. Ermakov ◽  
P. N. Dmitriev
Keyword(s):  
Phase Lock Loop ◽  
Loop System ◽  
Phase Detector ◽  
Phase Lock

Synchronization of a Single-Phase Photovoltaic Generator With the Low-Voltage Utility Grid

2011 ◽  
Author(s):  
Nader A. Anani ◽  
Omar A. Al-Kharji ◽  
Prasad V. Ponnapalli ◽  
Saleh R. Al-Araji ◽  
Mahmoud A. Al-Qutayri
Keyword(s):  
Renewable Energy ◽  
Single Phase ◽  
Low Voltage ◽  
Phase Lock Loop ◽  
Phase Detector ◽  
Correct Operation ◽  
Phase Lock ◽  
Grid Voltage ◽  
Single Phase Inverter ◽  
Pv Generator

The increased generation of electrical energy from renewable sources and its integration into the low voltage grid, has necessitated regulations governing the connection of renewable energy generators to the grid. This was deemed necessary to preserve the integrity and the correct operation of the grid. This paper presents a new architecture of a hybrid phase lock loop circuit topology for synchronizing a single-phase inverter fed from a renewable energy source such as a photovoltaic (PV) generator to the low voltage grid. The system uses a digital phase lock loop (DPLL) architecture, which is based on the arctan phase detector, driving a phase lock loop (PLL) to synchronize a PV generator with the grid voltage. The proposed system has been tested by simulation using Simulink/Matlab. The test results demonstrate the ability of the system to synchronize a PV inverter with the grid and to re-establish synchronization following a sudden perturbation in the grid voltage such as a single or a multi-step change in phase.

scholarly journals Design and Analysis of CMOS Phase Lock Loop (PLL) Using VLSI Technology

2021 ◽  
Vol 9 (11) ◽  
pp. 1334-1337
Author(s):  
Saurabh J. Shewale
Keyword(s):  
Large Scale ◽  
Supply Voltage ◽  
Digital Simulation ◽  
Electronic System ◽  
Phase Locked Loop ◽  
Phase Lock Loop ◽  
Phase Detector ◽  
Phase Lock ◽  
Vlsi Technology ◽  
Wide Range

Abstract: This paper proffers comparative research of Complementary MOSFET (CMOS) of the Phase Lock Loop (PPL) circuit. Our approach is based on hybrid design Phase Lock Loop (PLL) circuits combined in a single unit. A phase-locked loop (PLL) is used in space communication for synchronization purposes also very useful in time to digital converters and in instrumentation engineering. A phased lock loop (PLL) is a control system that makes an output signal whose frequency depends on the input phase difference. The phase detector takes the phase of an input signal and compares it with the phase procured from its output oscillator regulates the frequency of its oscillator to manage the phase matches. Different techniques like analogue and digital simulation with the help of mathematical/logical connections are found in Research to create the Phase Locked Loop (PLL). This limitation can be overcome by replicating the circuit block whose supply voltage is being reduced to manage the same throughout. This paper includes design features for low power phase-locked loop using Very-large-scale integration (VLSI) technology. The signal from the phase detector controls the oscillator in a feedback loop. As such: an operational device the PLL has a wide range of applications in computers sciences, telecommunication, and electronic system applications; we aim to design and examine the phase lock loop circuit in multiple technologies and examine their power capacity. By using the hybrid structure of NMOS and PMOS, here we have achieved the circuit of Phase Lock Loop (PLL) using VLSI technology. Keywords: Technology, CMOS, Phase lock loop, Micro wind, Voltage control oscillator, VLSI technology.

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