Simulation of a single DC voltage source Multilevel Active Power Filter with a predictive current control scheme

Author(s):  
Alberto Cano-Farrera ◽  
Ismael Araujo-Vargas ◽  
Sergio Salas-Duarte ◽  
Kevin Cano-Pulido ◽  
Jesus-Ernesto Medina-Jurado ◽  
...  
2018 ◽  
Vol 7 (4.5) ◽  
pp. 121 ◽  
Author(s):  
Harnek Singh ◽  
Maneet Kour ◽  
Dip Vinod Thanki ◽  
Prakash Kumar

Shunt active power filter (SAPF) has now become a well-known sophisticated technology to overcome current harmonics and reactive power compensation issues. In this paper a technical review of various control strategies for operation of SAPF has been presented. Control strategies such as reference current generation by time domain, frequency domain and soft computing approaches; voltage control for dc link voltage regulation and current control for generating switching patterns for voltage source inverter has been discussed. This paper aims to provide a broad understanding on SAPFs for various research and engineering applications.  


Electronics ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 637 ◽  
Author(s):  
Amir A. Imam ◽  
R. Sreerama Kumar ◽  
Yusuf A. Al-Turki

The design of reliable power filters that mitigate current and voltage harmonics to meet the power quality requirements of the utility grid is a major requirement of present-day power systems. In this paper, a detailed systematic approach to design a shunt active power filter (SAPF) for power quality enhancement is discussed. A proportional–integral (PI) controller is adopted to regulate the DC-link voltage. The instantaneous reactive power theory is employed for the reference current’s extraction. Hysteresis current control is used to obtain the gate pulses that control the voltage source inverter (VSI) switches. The detailed SAPF is developed and simulated for balanced nonlinear loads and unbalanced nonlinear loads using MATLAB/Simulink. The simulation results indicate that the proposed filter can minimize the harmonic distortion to a level below that deployed by the Institute of Electrical and Electronics Engineers (IEEE) standards.


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