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This paper presents two implementations of finite control set model predictive methods applied to AC/DC converters with an LCL filter. The LCL filter in contrast to L filter offers higher level of harmonics attenuation. However, despite its advantages, LCL filter can cause a strong resonance in grid current. The proposed control strategy, i.e. PCi2uc-3L uses basic advantages of the MPC methods — multivariable...
This paper presents the optimal control of the AC currents, the DC voltage regulation, and the DC capacitor voltage balancing in a three-level three-phase neutral point clamped multilevel converter for use in power quality applications as an active power filter. The AC output currents and the DC capacitor voltages are sampled and predicted for the next sampling time using linearized models and considering...
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