Abstract
This paper presents the simulation-based study and results of a three-phase shunt active power filter (SAPF) for power quality improvement. The power quality of the power systems is degraded because of the presence of non-linear loads at the consumer end. The SAPF can reduce the impact of harmonics caused by the non-linear loads. The analyzed SAPF system is modeled and simulated using MATLAB-Simulink workspace. The ultimate goal of this study is to improve the total harmonic distortion of the system as per the standards defined by IEEE-519.
Highlights
The possible approaches that can be used by shunt active power filter (SAPF) are based either on time-domain techniques such as Hysteresis current control technique, PI-control, sliding mode control or the fre
Poor power quality causes power loss, harmonic generation due to non-linearities, and a reduction in the efficiency and life span of the electric equipment used in the power systems
The most important block is the “Reference Current Generation Block” The reference current generated by this block is compared against the compensating current in the “Hysteresis Band Current Controller” block to generate the gating sequence that is being provided to “3-Phase Inverter”
Summary
The possible approaches that can be used by SAPF are based either on time-domain techniques such as Hysteresis current control technique, PI-control, sliding mode control or the fre-. Poor power quality causes power loss, harmonic generation due to non-linearities, and a reduction in the efficiency and life span of the electric equipment used in the power systems. In this era, for efficient power control, power electronic devices are used that are non-linear in behavior and generate harmonics in the power system. The time-domain techniques are easy to implement and understand, require less calculation, and are widely adopted for generating the reference current. Ment, overheating of transformer and motors, and problems in SAPF is adaptable to any change in the sinusoidal waveform by generating units while synchronizing [1], [2]
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