Transformerless series active power filter to compensate voltage disturbances

By Pinto, J.G.; Carneiro, H.; Exposto, B.; Couto, C.; Afonso, J.L.

Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011

2011

Abstract

This paper presents a transformerless topology of series active power filter with capability to protect sensitive loads against harmonics, sags, swells and unbalances of the power system voltages. The proposed topology is constituted by three isolated H-bridge with a voltage source at the DC side. The series active power filter has been studied with the help of PSIM (Power Simulation software) and simulation results are presented. A laboratory prototype is under development and experimental results are shown.

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