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The paper present the model based predictive controller for ripple free, high power active filter (APF) with LCL circuit. The system suppresses LCL resonance and provides control dynamics limited only by circuit parameters. The inverter of an active power filter requires a high PWM switching frequency, therefore high power application has to be realized by using several power modules operating in...
This paper presents a new predictive control strategy for a PWM voltage source inverter operating as efficient interface between a dc power source and the ac utility grid. The prediction section of this strategy is widely different from those presented in literature and it is strictly related to the new electrical signal modeling, recently proposed by the authors, that has the advantage of defining,...
The paper presents the novel control system for a shunt active power filter (APF) connected to an electrical grid via LCL circuit. Such a circuit constitutes 3rd order low pass filter and almost completely attenuates current ripples from PWM, which are the major drawback of APF connected via inductors. Such a solution requires control that overcomes LCL resonance problem and, at the same time, maximizes...
In recent years, the increase of non-linear loads in electrical power system has sparked the research in power quality issue. The shunt active power filter (SAPF) is a power electronic device which has been developed to improve power quality. The current control of shunt power filters is critical since poor control can reinforce existing harmonic problems. Various control strategies have been proposed...
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