Dynamic voltage restorer development and testing
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The growing use of sensitive loads in the electric power system, especially in industrial applications, increases voltage sags related production losses considerably, stimulating a demand for power electronics' based solutions to mitigate the effects of such problems. This paper shows the implementation and some industrial certification tests of a power equipment prototype designed to correct sags and swells, a dynamic voltage restorer, which is one of the many possible solutions for voltage sags and swells problems Experimental results of a 75kVA prototype are shown both in laboratory and full load conditions, in a certification institution (IEE-USP). © 2011 IEEE.
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Terrazas, T. M. ; Marafão, F. P. ; Monteiro, T. C.; Giaretta, A. R.; Matakas, L.; Komatsu, W. (COBEP 2011 - 11th Brazilian Power Electronics Conference, 2011) [Trabalho apresentado em evento]Voltage reference generation is an important issue on electronic power conditioners or voltage compensators connected to the electric grid. Several equipments, such as Dynamic Voltage Restorers (DVR), Uninterruptable Power ...
Vairamohan, B.; Komatsu, W.; Galassi, M.; Monteiro, T. C.; Oliveira, M. A.; Ami, S. U.; Matakas, L.; Marafão, F. P. ; Bormio, E.; Camargo, J. et al. (ICHQP 2008: 13th International Conference on Harmonics and Quality of Power, 2008) [Trabalho apresentado em evento]This work presents a case study on technology assessment for power quality devices. A system compatibility test protocol for power quality mitigation devices was developed in order to evaluate the functionality of three-phase ...
Marafão, Fernando Pinhabel ; Colón, D. ; Jardini, J. A.; Komatsu, W.; Matakas, L.; Galassi, M.; Ahn, S. U.; Bormio, E.; Camargo, J. C.; Monteiro, T. et al. (ICHQP 2008: 13th International Conference on Harmonics and Quality of Power, 2008) [Trabalho apresentado em evento]This paper deals with the design and analysis of a Dynamic Voltage Restorer output voltage control. Such control is based on a multiloop strategy, with an inner current PID regulator and an outer P+Resonant voltage controller. ...