PLL-and FLL-based speed estimation schemes for speed-sensorless control of induction motor drives: Review and new attempts

H Wang, Y Yang, X Ge, Y Zuo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Phase-locked loops (PLLs) and frequency-locked loops (FLLs) are of importance in power
and energy applications. Both technologies have been introduced to speed-sensorless …

LCL-Filter Design for Robust Active Damping in Grid-Connected Converters

R Pena-Alzola, M Liserre, F Blaabjerg… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
Grid-connected converters employ LCL-filters, instead of simple inductors, because they
allow lower inductances while reducing cost and size. Active damping, without dissipative …

[PDF][PDF] Power quality improvement using dynamic voltage restorer in electrical distribution system: an overview

AB Mohammed, MAM Ariff… - Indonesian Journal of …, 2020 - pdfs.semanticscholar.org
This paper represents a review of the dynamic voltage restorer for power quality
improvement in the electrical distribution system. Over the past 50 years, issues concerning …

Harmonic estimation using symmetrical interpolation FFT based on triangular self-convolution window

H Wen, J Zhang, Z Meng, S Guo, F Li… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Harmonic estimation is an important topic in power system signal processing. Windowed
interpolation fast Fourier transformation (WIFFT) is an efficient algorithm for power system …

Harmonic elimination in multilevel inverters under unbalanced voltages and switching deviation using a new stochastic strategy

HR Massrur, T Niknam, M Mardaneh… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
A new approach for minimization of total harmonic distortion (THD) of a multilevel flying
capacitor inverter (MFCI) based on the selective harmonic elimination named stochastic …

[HTML][HTML] Computation of the zero-wire current under an asymmetric nonlinear load in a distribution network

S Dzhuraev, S Beryozkina, M Kamolov, M Safaraliev… - Energy Reports, 2022 - Elsevier
Recently the electrical receivers with a nonlinear volt–ampere characteristic have increased
significantly in utility electrical networks. The authors suggest applying a detailed account of …

Delta-bar-delta neural-network-based control approach for power quality improvement of solar-PV-interfaced distribution system

P Shukl, B Singh - IEEE transactions on industrial informatics, 2019 - ieeexplore.ieee.org
A serious concern regarding deterioration in power quality has emerged with the increasing
integration of solar photovoltaic (PV) energy sources to the utility primarily in the scenario of …

Accurate frequency estimation by using three-point interpolated discrete fourier transform based on rectangular window

K Wang, H Wen, G Li - IEEE Transactions on Industrial …, 2020 - ieeexplore.ieee.org
Windowed interpolated discrete Fourier transform (DFT) has been well-studied to deal with
the spectral leakage and picket fence effects in frequency estimation. When the number of …

Optimal resonance-free third-order high-pass filters based on minimization of the total cost of the filters using Crow Search Algorithm

SHEA Aleem, AF Zobaa, ME Balci - Electric Power Systems Research, 2017 - Elsevier
The most common damped filters (DFs) are the second-order, third-order, C-type, and
double-tuned filters. Other DFs such as the first-order and band-pass filters exist, but their …

Power harmonic and interharmonic detection method in renewable power based on Nuttall double‐window all‐phase FFT algorithm

T Su, M Yang, T Jin, RCC Flesch - IET Renewable Power …, 2018 - Wiley Online Library
Harmonics and interharmonics adversely affect power grids. The fast Fourier transform (FFT)
algorithm is one of the most commonly used methods for harmonic analysis. However, in …