Fuzzy space vector modulation-based control of modified instantaneous powers in active filter

A simple SVM-based fuzzy control is presented in the paper. The outputs of the fuzzy controller represent the switching schemes of the voltage-type inverter and lengths of the time intervals composing the switching period. The errors in instantaneous active and reactive powers, which should be gener...

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Bibliographic Details
Main Author: Valouch, V.
Format: Conference Proceeding
Language:English
Subjects:
Active filters
Error correction
Fuzzy control
Input variables
Inverters
Power generation
Power harmonic filters
Power system harmonics
Reactive power control
Voltage control
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Summary:A simple SVM-based fuzzy control is presented in the paper. The outputs of the fuzzy controller represent the switching schemes of the voltage-type inverter and lengths of the time intervals composing the switching period. The errors in instantaneous active and reactive powers, which should be generated to compensate high harmonics of a nonlinear load, are the input variables of the fuzzy control of an inverter-based active filter. In order to keep phase currents sinusoidal also in case of unsymmetrical voltage system, a modification of reference average powers is suggested. The control algorithm has been verified by a simulation.
DOI:10.1109/ISIE.1998.707782