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A Dual-Vector Model Predictive Control Method With Minimum Current THD
DOI:10.1109/TPEL.2021.3065009.png)
Abstract
En 中文
This letter proposes a dual-vector model predictive control method to minimize the current total harmonic distortion (THD). The definition of current THD shows that it is proportional to the area enclosed by the actual current and the current fundamental wave. The lowest current THD is achieved by minimizing the area enclosed by the actual current and the reference current in the control period. This method is implemented on a single-phase neutral-point clamped three-level pulsewidth modulation rectifier, and the advantages of the proposed control method are verified through experiments.
Keywords:
Switches
Voltage control
Rectifiers
Pulse width modulation
Predictive control
Control systems
Standards
Current control
dc-ac power converters
power conversion harmonics
predictive control
pulsewidth modulation converters
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