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Shunt active power filter, when used with nonlinear loads, provides an elegant solution for reactive power compensation as well as harmonic mitigation leading to improvement in power quality. The present study deals with fuzzy logic control and neuro fuzzy control for Shunt active power filter. Neuro fuzzy logic has improved THD when compared to fuzzy logic controller and it is demonstrated through...
The major problems of nonlinear loads are harmonic generation and the drawing reactive power. Active power Alter which is an excellent solution for mitigating harmonics and reactive power compensation leading to improvement in power quality when using a nonlinear loads. The present study deals with fuzzy logic control and neuro fuzzy control for Shunt active power filter. Neuro fuzzy logic has improved...
Rapid growth of non-linear loads in distribution systems has attracted power system engineers' attention from power quality point of view. Connection of the non-linear loads deteriorates power quality in the distribution system by introducing current harmonics. These current harmonics, when circulated in the electric network, interact with the system impedance and generate voltage harmonics. These...
Algorithms are well presented for estimation of harmonics and their elimination in a three phase system for power quality improvement. This paper presents the application of KF-Adaline Algorithm for estimation of power system harmonics and shunt active power filter with hysteresis current controller based on space vector modulation for perfect elimination of harmonics. The space vector modulation...
Shunt Active Power Filter (SAPF), when used with non linear loads, provides an elegant solution to reactive power compensation as well as harmonic mitigation leading to improvement in power quality. The present study deals with fuzzy logic control for SAPF. Its superiority over PI type of controller is demonstrated through simulation results.
Dissimilar traditionalistic passive type harmonic power filters, modern active type harmonic power filters have the favorable multiple functions: harmonic filtering, damping, reactive-power control for power factor correction and voltage regulation, load balancing, voltage-flicker reduction etc., This paper presents a hybrid fuzzy logic controlled based improved power quality conditioner used to counterbalance...
In this paper, a neural network based reference current computation method for active power filter (APF) control under non-ideal mains voltage with different load condition is proposed. The neural network controller has been designed to extract fundamental frequency components from non-sinusoidal and unbalanced currents. These fundamental frequency components will be used as unit templates. The APF...
This paper focuses on the implementation of a three-phase four wire current-controlled voltage source inverter (CC-VSI) as both power quality improvement and PV energy extraction. For power quality improvement, the CC-VSI works as a grid current-controller shunt active power filter. Then, the PV array supported by the hill climbing type of a MPPT controller is coupled to the DC bus of the CC-VSI....
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