Results 21 to 30 of about 4,238,869 (290)

Variable Structure Control of DFIG for Wind Power Generation and Harmonic Current Mitigation

open access: yesAdvances in Electrical and Computer Engineering, 2010
This paper focuses on wind energy conversion system (WECS) analysis and control for power generation along with problems related to the mitigation of harmonic pollution in the grid using a variable-speed structure control of the doubly fed induction ...
BELMADANI, B.   +3 more
doaj   +1 more source

Zero-Phase FIR Filter Design Algorithm for Repetitive Controllers

open access: yesEnergies, 2023
Repetitive controllers (RCs) are linear control structures based on the internal model principle. This control strategy is known for its ability to control periodic reference signals, even if these signals have many harmonic components.
Pedro V. S. G. de Lima   +5 more
doaj   +1 more source

Research on Harmonic Management of Single-Phase AC Charging Pile Based on Active Filtering

open access: yesEnergies, 2023
Nowadays, AC charging piles are widely used, and with the increasing number of charging piles, the harmonic pollution generated by them becomes more serious and affects the power quality of the grid.
Xiangfu Ding   +5 more
doaj   +1 more source

Design and control of shunt active power filter for power quality improvement of utility powered brushless DC motor drives

open access: yesAutomatika, 2020
The presence of nonlinear loads like brushless DC (BLDC) motor drives in the distribution system leads to poor power quality (PQ) indices like low power factor, high total harmonic distortion and creates electromagnetic interference.
S. Kumaresan, H. Habeebullah Sait
doaj   +1 more source

Voltage space vector‘s computation for current control in three phase converters

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2012
This work presents two current loop techniques, for three phase voltage source converters (VSC) used as controlled rectifiers (CR) operating at unity power factor.
Alberto Berzoy   +2 more
doaj   +1 more source

Detection Algorithm For Active Filters Based On Adaptive Inverse Control

open access: yesJournal of Applied Science and Engineering, 2023
In order to accurately compensate the harmonics and reactive power of the active power filter, a paralleltype active filter detection algorithm based on adaptive inverse control is proposed to control and follow the DC capacitor voltage, obtain the ...
Longhai Fu
doaj   +1 more source

Voltage-Mode Multifunction Biquad Filter and Its Application as Fully-Uncoupled Quadrature Oscillator Based on Current-Feedback Operational Amplifiers

open access: yesSensors, 2020
This research introduces a new multifunction biquad filter based on voltage mode (VM) current-feedback operational amplifier (CFOA) and a fully uncoupled quadrature oscillator (QO) based on the proposed VM multifunction biquad filter.
San-Fu Wang   +3 more
doaj   +1 more source

A new control technique for active power filters using a combined genetic algorithm/conventional analysis [PDF]

open access: yes, 2002
In this paper, the computational problems associated with the optimization techniques used to evaluate the switching patterns for controlling variable-characteristics active power filters are presented and critically analyzed.
El-Habrouk, M, Darwish, MK
core   +1 more source

Current Harmonics Compensation in Microgrids Exploiting the Power Electronics Interfaces of Renewable Energy Sources

open access: yesEnergies, 2015
This work presents a method of current harmonic reduction in a distorted distribution system. In order to evaluate the proposed method a grid with high-order current harmonics is assumed.
Ioannis Bouloumpasis   +3 more
doaj   +1 more source

A study on the effects of Kalman Filter on performance of IPMC-Based Active Vibration Control Scheme [PDF]

open access: yes, 2010
This paper evaluates the effectiveness and performance of Ionic Polymer Metal Composite (IPMC) based active vibration control scheme equipped with the Kalman estimation algorithm.
Bandopadhya, Dibakar   +1 more
core   +1 more source

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