COMPARATIVE STUDY OF INDIRECT CURRENT CONTROL METHODS FOR THREE PHASE THREE LEG FOUR WIRE SAPF

The aim of this paper was the implementation and the comparative performance analysis of two variants of the indirect current control algorithm for a three phase four wire active power filter. The implemented variants of the indirect current control obtained the amplitude of the desired power grid c...

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Bibliographic Details
Published in:Annals of Faculty Engineering Hunedoara 2022-08, Vol.20 (3), p.67-78
Main Authors: Suru, Constantin Vlad, Popescu, Mihaela, Dobriceanu, Mircea
Format: Article
Language:English
Subjects:
Active control
Algorithms
Amplitudes
Closed loops
Comparative studies
Control algorithms
Control methods
Control systems
Control theory
Controllers
Feedback control
Load
Prototyping
Real time
Simulation
Transistors
Voltage controllers
Wire
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Summary:The aim of this paper was the implementation and the comparative performance analysis of two variants of the indirect current control algorithm for a three phase four wire active power filter. The implemented variants of the indirect current control obtained the amplitude of the desired power grid current at the output of the voltage controller, and by computing the load current active component amplitude. The two algorithms implementation was firstly validated by simulation, and finally on an experimental active filtering system mounted at the power electronics department of an industrial facility. The experimental active filter control section is based on a dSPACE DS1103 prototyping board, therefore the control algorithm/program of the experimental filter is the same Simulink block as in the virtual active filter. The results obtained on the virtual system proved not only the good performance of the implemented control algorithms, but also similar results. However, the results obtained on the experimental setup show that the control system is highly dependent on the computation time step (the closed loop control system especially) and one variant of the indirect current control is giving better results as it reduces the significance of the voltage controller output in the grid current amplitude.
ISSN:1584-2665
2601-2332