Real-time power system frequency and phasors estimation using recursive wavelet transform

J Ren, M Kezunovic - IEEE Transactions on Power Delivery, 2011 - ieeexplore.ieee.org
Phasor frequency, magnitude, and angle describing a sinusoidal signal are widely used as
critical variables in algorithms and performance indices in many power system applications …

Open-loop synchronization systems for grid-tied power converters: Literature overview, design considerations, advantages, and disadvantages

S Golestan, JM Guerrero, Y Al-Turki… - IEEE Industrial …, 2021 - ieeexplore.ieee.org
Primitive grid synchronization systems of power converters were based on a zero-crossing
detection (ZCD) algorithm, which is an open-loop synchronization (OLS) system. ZCD …

Disturbance ratio for optimal multi-event classification in power distribution networks

MD Borrás, JC Bravo… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents an effective approach to identify power quality (PQ) events based on
IEEE Std 1159-2009 caused by intermittent power sources like those of renewable energy …

Frequency estimation of three-phase power system using weighted-least-square algorithm and adaptive FIR filtering

MD Kusljevic, JJ Tomic… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
A new technique for estimation of the instantaneous frequency based on simultaneous
sampling of three-phase voltage signals is presented. The structure consists of two …

Accurate estimation of single-phase grid voltage parameters under distorted conditions

MS Reza, M Ciobotaru… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents an accurate technique for the estimation of single-phase grid voltage
fundamental amplitude and frequency. The technique consists of a quadrature signal …

[HTML][HTML] Enhanced PLL-less grid synchronization algorithm amidst unbalanced and distorted three-phase grid conditions

M Kumar, RK Jarial, AK Verma, R Nath, M Torres… - International Journal of …, 2023 - Elsevier
Fast and precise tracking of grid voltage attributes is essential for the smooth and reliable
control and operation of grid-side converters. The synchronous reference-frame phase …

Frequency estimation: A least-squares new approach

A Abdollahi, F Matinfar - IEEE Transactions on Power Delivery, 2010 - ieeexplore.ieee.org
A new algorithm based on the least-squares method is proposed for online power system
frequency estimation. The algorithm is based on a formula which holds for every three …

电力系统自适应基波提取与频率跟踪算法

张斌, 张东来 - 中国电机工程学报, 2011 - epjournal.csee.org.cn
传统的电网频率跟踪算法一般依赖于调整所选电网模型的响应速度或精度来增强电力系统异常
情况下的稳定性, 为减小电网谐波或噪声对频率测量的影响, 提出了一种自适应基波提取与频率 …

Application of multi-resonator notch frequency control for tracking the frequency in low inertia microgrids under distorted grid conditions

ZD Arani, SA Taher, A Ghasemi… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Frequency variations are much faster and more significant in microgrids with low-inertia
inverters and other control devices for distributed generation. Accordingly, it is imperative to …

An open-loop grid synchronization approach for single-phase applications

S Golestan, JM Guerrero… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
From the control point of view, synchronization techniques are divided into two major
categories: open-loop and closed-loop methods. Roughly speaking, open-loop …