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The paper proposes a solution for improving the power quality in a transportation system. The experimental determinations revealed a high level of harmonics and a high consumption of reactive power. The simulation using MATLAB/Simulink software was conceived and validated. A solution using passive filters is proposed and analyzed.
In this paper, practical applications of optimal and flexible controlled (OFC) active filters operating under distorted voltages with non-ideal compensator systems are investigated. In the previous works, the compensator system is regarded as an ideal inverter. On the contrary, this paper takes into account a set of important limitations of the real compensators in frequency domain. Some restrictions...
A new control scheme, based on sinusoidal signal integrators (SSIs), is proposed in this paper for hybrid power filters. The aim is to simplify the implementation of the control strategy using an SSI filter to separate the harmonic currents from the fundamental component. This allows finding the correct current extraction without the need of a synchronous frame and phase-locked loop techniques. This...
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