Second-order generalized integrator sogi

Results 81 to 90 of about 397 (141)

Development of a Diagnostic Method for Open/Short Circuit Faults in a Vienna Rectifier Based on the THD Method Using SOGI FLL

Applied Sciences
The increasing demand for reliable DC fast-charging stations in electric vehicle (EV) infrastructure necessitates efficient fault detection mechanisms to ensure operational stability and user safety.
Keval Prakash Desai, José Matas, Josep M. Guerrero +2 more
doaj +1 more source

Zero-Voltage Ride-Through Capability of Single-Phase Grid-Connected Photovoltaic Systems

Applied Sciences, 2017
Distributed renewable energy systems play an increasing role in today’s energy paradigm. Thus, intensive research activities have been centered on improving the performance of renewable energy systems, including photovoltaic (PV) systems, which should be
Zhen Zhang +3 more
doaj +1 more source

A family of gradient descent grid frequency estimators for the SOGI filter

, 2017
This paper applies the adaptive gradient descent method to the second-order generalized integrator (SOGI) filter in order to find an online estimation algorithm for the grid frequency, which leads to the proposal of three possible estimators. One of them
Al-Turki, Y.A. +5 more
core +1 more source

A Speed Estimation Scheme Based on An Improved SOGI-FLL for Speed-Sensorless Control of Induction Motor Drives

, 2020
With the aim to enhance the system reliability and reduce the system cost of induction motor drives, the speed-sensorless control, implemented by various speed estimation schemes, is demanded. The speed estimation provided by the second-order generalized
Xinglai Ge +11 more
core +1 more source

Mechanistic comparison between Phase-Locked loop and reactive power-based synchronization for the grid connected converters under a weak grid

International Journal of Electrical Power & Energy Systems
For grid-connected converters (GCC), the synchronization unit (SU) is indispensable for the vector current control (VCC). Usually, the phase-locked loop (PLL) is employed as SU.
Tong Zhao, Chi Zhang, Chao Wu, Yong Wang
doaj +1 more source

An Adaptive Frequency-Fixed Second-Order Generalized Integrator-Quadrature Signal Generator Using Fractional-Order Conformal Mapping Based Approach

, 2020
The frequency-fixed second-order generalized integrator-based quadrature signal generator (FFSOGI-QSG) has been widely used in grid synchronization applications.
Saha, Suman, Akhtar, Mohd. Afroz
core

An Adaptive Virtual Impedance Method for Grid-Connected Current Quality Improvement of a Single-Phase Virtual Synchronous Generator under Distorted Grid Voltage. [PDF]

Sensors (Basel), 2023
Zhong C, Zhang Z, Zhu A, Liang B.
europepmc +1 more source

Estimator Parameter Tegangan Jaringan Tiga Fasa Berbasis D-SOGI PLL

, 2017
Phase locked loop (PLL) adalah sebuah sistem umpan balik yang memegang peran penting dalam sistem-sistem konverter terkoneksi jaringan listrik. Fungsi utama PLL adalah mendapatkan beragam informasi parameter jaringan yaitu seperti phase dan magnitude ...
Mauridhi Hery Purnomo +3 more
core +2 more sources

Collegial control for mode transfer of solar photovoltaic-battery system

e-Prime: Advances in Electrical Engineering, Electronics and Energy
This work presents a collegial control for the objective of microgrid synchronization with improved power quality injection. The solar photovoltaic and battery based three-phase microgrid utilizes coordinated operation between improved adaptive control ...
Suvom Roy +3 more
doaj +1 more source

Realization of Quadrature Signal Generator Using Accurate Magnitude Integrator

, 2016
Second-Order Generalized Integrator based Quadrature Signal Generator (SOGI-QSG) has been widely used in single- or three-phase power converter systems due to its simplicity and flexibility.
Zhao, Rende +9 more
core +1 more source

phase-locked loop
second-order generalized integrator
dc offset

power quality
sogi
sogi-fll

second order generalized integrator
phase-locked loop pll
grid synchronization