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This paper presents a shunt active power filter (SAPF) topology, based on the concept of a transformer with open-end winding (OEW), for reactive power and harmonic compensations employed in three-phase four wire (3P4W) systems under balanced and unbalanced conditions. The proposed system uses two independent dc-links and two independent converters series connected through transformers. Complete system...
This paper presents the development of a mathematical model applied to medium voltage electrical network planning to give support for capacitor placement decision task. For this goal, a linear mathematical model was developed to determine the location and power of the capacitor to improve the voltage level of the electrical system. The proposed model has linear objective function, linear constraints,...
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